IDOLCheck logo
IDOLCheck Storm Activity
Official NOAA, NWS & SPC storm data
Live Latest verified storm reports across the US → Get these as alerts →
Looking up a specific address? Check it free in the app →
Storm ActivityMontana Storm ActivityCuster County, MT
Montana · Official NOAA Storm Data

Custer County Storm Activity

Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 11, 2026

Has it hailed in Custer County, Montana recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 49 hail reports with hail up to 0.88", among 83 severe weather events logged here in the last 12 months, together with 34 high-wind reports with gusts up to 75 mph. The most recent recorded storm activity was in September 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.

Map of Custer County, Montana showing the county boundary and surrounding cities
Custer County, Montana. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

83
Events (12 mo)
49
Hail
34
Wind
0
Tornado
0.88"
Max hail
75
Max wind (mph)
September 2026
Most recent

What the radar showed

Radar snapshot during the Nov 8, 2025 wind event near Custer County, Custer County, Montana, with NWS warning polygons
NEXRAD radar at the moment of the Nov 8, 2025 wind event (65 mph) near Custer County. Outlined polygons are the storm-based warnings exactly as issued by the National Weather Service. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

Last 30 days in Custer County

Current NEXRAD radar over Custer County, Montana with recent storm report locations
Current radar over the Custer County area, with storm reports from the past 7 days plotted. Refreshes throughout the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.
September 2026 2 storm days · 5 NWS warnings — hail to 0.75", wind to 50 mph Exact dates & locations in app →
August 2026 6 storm days · 10 NWS warnings — hail to 0.5", wind to 55 mph Exact dates & locations in app →

Recent storms — full detail available in the app

Storm activity from the last 30 days is summarized at the county level on this page. Exact locations, radar snapshots, and official warning boundaries for recent events are available with a free account.

See the specifics — free →

Storm log — the official record, day by day

Events older than 30 days, as recorded by the National Weather Service and Storm Prediction Center. Excerpts are quoted directly from official warnings and verified reports.

Wednesday, August 12, 2026

1 NWS warning — hail up to 0.88"

“At 141 PM MDT, Doppler radar was tracking an area of strong thunderstorms extending from 12 miles southwest of Ekalaka to 15 miles northeast of Broadus, moving southeast at 15 mph. Hazard: Wind gusts up to 40 mph and nickel size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”

NWS severe weather mention · Custer County

Wednesday, July 29, 2026

3 NWS warnings — hail up to 0.75"

NEXRAD radar during the Wednesday, July 29, 2026 storm activity in Custer County, Montana
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 124 PM MDT, Doppler radar was tracking an area of strong thunderstorms extending from 40 miles northwest of Ekalaka to 23 miles northeast of Broadus moving northeast at 25 mph. Hazard: Wind gusts up to 50 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”

NWS severe weather mention · Custer County

“At 1000 AM MDT, Doppler radar was tracking a thunderstorm 29 miles northwest of Miles City, moving northeast at 30 mph. Hazard: Wind gusts up to 50 mph and half inch size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Angela and Rock Springs.”

NWS severe weather mention · Custer County

Wednesday, July 8, 2026

1 NWS warning — hail up to 0.75"

“At 812 PM MDT, Doppler radar was tracking an area of strong thunderstorms extending from 14 miles east of Forsyth to 13 miles northwest of Custer, or extending from 14 miles east of Forsyth to 25 miles west of Hysham, moving southeast at 15 mph. Hazard: Wind gusts up to 50 mph and penny size hail. The strongest storm is currently located west of Vananda as of 812 PM MDT.”

NWS severe weather mention · Custer County

Friday, July 3, 2026

3 NWS warnings — hail up to 0.5"

NEXRAD radar during the Friday, July 3, 2026 storm activity in Custer County, Montana
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 740 PM MDT, Doppler radar was tracking a line of strong thunderstorms extending from 24 miles northeast of Miles City to 16 miles west of Volborg, moving east at 35 mph. Hazard: Wind gusts up to 50 mph and half inch size hail, along with areas of heavy rain. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible.”

NWS severe weather mention · Custer County

“At 418 PM MDT, Doppler radar was tracking a strong thunderstorm 23 miles north of Miles City, moving east southeast at 15 mph. Hazard: Wind gusts up to 40 mph and half inch size hail, along with brief heavy rain. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”

NWS severe weather mention · Custer County

Thursday, July 2, 2026

1 SPC verified storm report · 2 NWS warnings — hail up to 0.88", wind gusts up to 58 mph

NEXRAD radar during the Thursday, July 2, 2026 storm activity in Custer County, Montana
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 927 PM MDT, Doppler radar was tracking a strong thunderstorm 32 miles east of Miles City, moving east at 15 mph. Hazard: Wind gusts up to 40 mph and nickel size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Knowlton.”

NWS severe weather mention · Custer County

“At 907 PM MDT, Doppler radar was tracking a strong thunderstorm 29 miles east of Miles City, moving east at 15 mph. Hazard: Wind gusts up to 40 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Mizpah and Knowlton.”

NWS severe weather mention · Custer County

Wednesday, July 1, 2026

1 NWS warning — hail up to 0.25"

“At 901 PM MDT, Doppler radar was tracking an area of strong thunderstorms extending from 48 miles north of Forsyth to 17 miles west of Miles City, moving northeast at 20 mph. Hazard: Wind gusts up to 50 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”

NWS severe weather mention · Custer County

Monday, June 29, 2026

1 NWS warning — hail up to 0.5"

“At 236 PM MDT, Doppler radar was tracking a strong thunderstorm 34 miles northwest of Ekalaka, or 28 miles west of Baker, moving northeast at 20 mph. Hazard: Wind gusts up to 40 mph and half inch size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Ismay and Westmore.”

NWS severe weather mention · Custer County

Saturday, June 27, 2026

3 NWS warnings — hail up to 0.75"

NEXRAD radar during the Saturday, June 27, 2026 storm activity in Custer County, Montana
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 1247 PM MDT, Doppler radar was tracking a strong thunderstorm 16 miles northwest of Miles City, moving north at 45 mph. Hazard: Wind gusts up to 40 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”

NWS severe weather mention · Custer County

“At 619 PM MDT, Doppler radar was tracking an area of thunderstorms 33 miles northwest of Miles City, moving north at 20 mph. Hazard: Wind gusts up to 50 mph and half inch size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Angela and Rock Springs.”

NWS severe weather mention · Custer County

Friday, June 26, 2026

1 NWS warning — hail up to 0.5"

“At 745 PM MDT, Doppler radar was tracking an area of strong thunderstorms 17 miles southeast of Ashland, or 28 miles west of Broadus, moving northeast at 30 mph. Hazard: Wind gusts up to 40 mph and half inch size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Volborg and Sonnette.”

NWS severe weather mention · Custer County

Sunday, June 7, 2026

5 NWS warnings — hail up to 0.75"

NEXRAD radar during the Sunday, June 7, 2026 storm activity in Custer County, Montana
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 614 PM MDT, Doppler radar was tracking a line of strong thunderstorms extending from 29 miles northwest of Baker to 19 miles south of Baker, moving northeast at 45 mph. Hazard: Wind gusts up to 55 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”

NWS severe weather mention · Custer County

“At 529 PM MDT, Doppler radar was tracking a strong thunderstorm near Miles City, moving northeast at 45 mph. Hazard: Wind gusts of 40 to 50 mph and half inch size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Miles City, Matthews Recreation Area and Strawberry Hill Recreation Area.”

NWS severe weather mention · Custer County

Saturday, June 6, 2026

1 NWS warning — hail up to 0.5"

“At 629 PM MDT, Doppler radar was tracking an area of strong thunderstorms extending from 22 miles east of Volborg to 10 miles west of Ekalaka moving north at 40 mph. Hazard: Wind gusts up to 50 mph and half inch size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”

NWS severe weather mention · Custer County

Thursday, June 4, 2026

1 NWS warning — hail up to 0.75"

“At 210 PM MDT, Doppler radar was tracking an area of strong thunderstorms 13 miles east of Ashland, or 33 miles west of Broadus, moving east at 35 mph. Hazard: Wind gusts up to 40 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Volborg and Sonnette.”

NWS severe weather mention · Custer County

Tuesday, June 2, 2026

3 NWS warnings — hail up to 0.75"

NEXRAD radar during the Tuesday, June 2, 2026 storm activity in Custer County, Montana
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 1117 PM MDT, Doppler radar was tracking a strong thunderstorm 31 miles northeast of Volborg, or 34 miles southeast of Miles City, moving northeast at 20 mph. Hazard: Wind gusts up to 50 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Knowlton and Mizpah.”

NWS severe weather mention · Custer County

“At 1234 AM MDT, Doppler radar was tracking a strong thunderstorm 8 miles south of Volborg, or 24 miles northwest of Broadus, moving northeast at 35 mph. Hazard: Wind gusts up to 50 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Volborg.”

NWS severe weather mention · Custer County

Monday, June 1, 2026

3 NWS warnings — hail up to 0.5"

“At 739 PM MDT, Doppler radar was tracking a strong thunderstorm 17 miles north of Volborg, or 26 miles southeast of Miles City, moving northeast at 25 mph. Hazard: Wind gusts up to 40 mph, half inch size hail, and brief heavy rain. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Mizpah.”

NWS severe weather mention · Custer County

“At 650 PM MDT, Doppler radar was tracking a line of strong thunderstorms extending from 18 miles east of Miles City to 13 miles northeast of Volborg, or extending from 18 miles east of Miles City to 31 miles southeast of Miles City, moving east at 30 mph. Hazard: Wind gusts of 50 to 55 mph, pea size hail, and brief heavy rain.”

NWS severe weather mention · Custer County

Saturday, May 30, 2026

3 NWS warnings — hail up to 0.88"

NEXRAD radar during the Saturday, May 30, 2026 storm activity in Custer County, Montana
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 712 PM MDT, Doppler radar was tracking an area of strong thunderstorms 9 miles southeast of Volborg, or 23 miles north of Broadus, moving north at 35 mph. Hazard: Wind gusts up to 50 mph and nickel size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Volborg.”

NWS severe weather mention · Custer County

“At 609 PM MDT, Doppler radar was tracking a strong thunderstorm 30 miles east of Miles City, moving north at 15 mph. Hazard: Wind gusts up to 40 mph and nickel size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Locate.”

NWS severe weather mention · Custer County

Friday, May 29, 2026

1 NWS warning — hail up to 0.88"

“At 646 PM MDT, Doppler radar was tracking a strong thunderstorm 20 miles southwest of Miles City, moving northwest at 25 mph. Hazard: Wind gusts up to 40 mph and nickel size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Moon Creek Ranch, Garland and Hathaway.”

NWS severe weather mention · Custer County

Wednesday, May 13, 2026

2 NWS warnings — wind gusts up to 60 mph

NEXRAD radar during the Wednesday, May 13, 2026 storm activity in Custer County, Montana
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 1011 PM MDT, Doppler radar was tracking showers and thunderstorms east of Forsyth moving northeast at 45 mph. Hazard: Wind gusts of 50 to 60 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Custer County

“At 626 PM MDT, Doppler radar was tracking a line of showers and thunderstorms producing gusty winds extending from 7 miles north of Forsyth to 15 miles southeast of Ashland, moving northeast at 50 mph. Hazard: Wind gusts of 40 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Custer County

Wednesday, April 22, 2026

2 NWS warnings — hail up to 0.25"

“At 900 PM MDT, Doppler radar was tracking an area of strong thunderstorms 17 miles northwest of Miles City, moving north at 25 mph. Hazard: Wind gusts up to 50 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”

NWS severe weather mention · Custer County

“At 753 PM MDT, Doppler radar was tracking a strong thunderstorm 16 miles southeast of Forsyth, moving northeast at 30 mph. Hazard: Wind gusts up to 45 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Forsyth, Rosebud, Cartersville, Hathaway and Moon Creek Ranch.”

NWS severe weather mention · Custer County

Tuesday, April 21, 2026

1 SPC verified storm report — wind gusts up to 60 mph

Monday, April 13, 2026

2 NWS warnings — hail up to 0.5"

“At 251 PM MDT, Doppler radar was tracking a thunderstorm 21 miles southeast of Hillside, or 24 miles north of Miles City, moving northeast at 15 mph. Hazard: Wind gusts up to 50 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible.”

NWS severe weather mention · Custer County

“At 206 PM MDT, Doppler radar was tracking a strong thunderstorm 22 miles east of Miles City, moving east at 15 mph. Hazard: Wind gusts of 50 to 55 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Ismay, Locate, Mizpah, and Knowlton.”

NWS severe weather mention · Custer County

Saturday, April 11, 2026

1 NWS warning — hail up to 0.25"

“At 540 PM MDT, Doppler radar was tracking a strong thunderstorm 30 miles northwest of Ekalaka, moving east at 15 mph. Hazard: Wind gusts up to 40 mph and pea size hail. Impact: Gusty winds could blow around unsecured objects. Locations impacted include... Mainly rural areas of East Central Custer County.”

NWS severe weather mention · Custer County

Wednesday, April 8, 2026

1 NWS warning — wind gusts up to 60 mph

“Windy conditions with northwest wind gusts of 40 to 55 mph are expected this morning into early this afternoon. A few localized gusts to 60 mph are possible, generally over Fallon County. Isolated light snow showers may also reduce visibility at times over northern Custer and Fallon Counties this morning. Use caution traveling today.”

NWS severe weather mention · Custer County

Tuesday, April 7, 2026

1 NWS warning — wind gusts up to 55 mph

“At 712 PM MDT, Doppler radar was tracking a line of showers producing strong winds north of I-90 in Rosebud and Custer Counties. These strong winds are expected to impact I-90 over the next hour. Hazard: Wind gusts of 50 to 55 mph. 60s mph in Northern Rosebud County. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Custer County

Thursday, March 12, 2026

3 NWS warnings — wind gusts up to 75 mph

“WHAT...West winds with gusts of 55 to 75 mph expected. Locally higher gusts are possible. WHERE...Portions of central, south central, and southeast Montana. WHEN...Until 9 PM MDT this evening. IMPACTS...Extreme wind gusts could blow down trees and power lines. Power outages are possible. Travel could be difficult for high profile vehicles.”

NWS severe weather mention · Custer County

“WHAT...West winds with gusts of 50 to 70 mph expected. Locally higher gusts are possible. WHERE...Portions of central, south central, and southeast Montana. WHEN...Until 9 PM MDT this evening. IMPACTS...Extreme wind gusts could blow down trees and power lines. Power outages are possible. Travel could be difficult for high profile vehicles. Any sparked fires in dry grasses will spread rapidly.”

NWS severe weather mention · Custer County

Wednesday, March 11, 2026

3 NWS warnings — wind gusts up to 70 mph

“WHAT...West winds with gusts of 50 to 70 mph possible. Locally higher gusts are possible. WHERE...Portions of central, south central, and southeast Montana. WHEN...From 6 AM to 9 PM MDT Thursday. IMPACTS...Extreme wind gusts could blow down trees and power lines. Power outages are possible. Travel could be difficult for high profile vehicles. Any sparked fires in dry grasses will spread rapidly.”

NWS severe weather mention · Custer County

“WHAT...West to northwest winds with gusts of 50 to 70 mph possible. Locally stronger gusts possible. WHERE...Portions of south central and southeast Montana. WHEN...From 6 AM to 9 PM MDT Thursday. IMPACTS...Extreme wind gusts could blow down trees and power lines. Widespread power outages are possible. Travel will be difficult for high profile vehicles.”

NWS severe weather mention · Custer County

Tuesday, March 10, 2026

2 NWS warnings — wind gusts up to 65 mph

“WHAT...West winds with gusts of 50 to 65 mph possible. WHERE...Portions of south central and southeast Montana. WHEN...From Thursday morning through Thursday evening. IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles. The warm and windy conditions could cause rapid fire spread in grasses.”

NWS severe weather mention · Custer County

“WHAT...West winds with gusts of 50 to 65 mph possible. WHERE...Portions of south central and southeast Montana. WHEN...From Thursday morning through Thursday evening. IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles. The warm and windy conditions could cause rapid fire spread in grasses.”

NWS severe weather mention · Custer County

Tuesday, February 17, 2026

5 NWS warnings — wind gusts up to 65 mph

“WHAT...West winds gusting 50 to 65 mph. WHERE...Portions of central, south central, and southeast Montana. WHEN...From 8 AM this morning to 8 PM MST this evening. IMPACTS...Travel will be difficult, especially for high profile vehicles. Warm and mostly dry conditions could cause rapid fire spread in wildland grasses.”

NWS severe weather mention · Custer County

“WHAT...West to northwest winds gusting 50 to 60 mph. WHERE...Portions of south central and southeast Montana. WHEN...Until 8 PM MST this evening. IMPACTS...Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Custer County

Monday, February 16, 2026

2 NWS warnings — wind gusts up to 60 mph

“WHAT...West winds gusting 50 to 60 mph expected. WHERE...Portions of central, south central, and southeast Montana. WHEN...From 8 AM to 8 PM MST Tuesday. IMPACTS...Travel will be difficult, especially for high profile vehicles. Secure loose outdoor objects. ADDITIONAL DETAILS...The strongest winds will be Tuesday late morning into the afternoon.”

NWS severe weather mention · Custer County

“WHAT...West winds with gusts up to 60 mph expected. WHERE...Portions of central, south central, and southeast Montana. WHEN...From 8 AM to 8 PM MST Tuesday. IMPACTS...Travel will be difficult, especially for high profile vehicles. ADDITIONAL DETAILS...The strongest winds will be late morning into the afternoon Tuesday.”

NWS severe weather mention · Custer County

Wednesday, January 7, 2026

1 NWS warning — wind gusts up to 61 mph

“At 235 PM MST, Doppler radar was tracking a line of showers extending from 30 miles north of Forsyth to 10 miles south of Forsyth, moving east at 45 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Custer County

Thursday, December 18, 2025

1 NWS warning — wind gusts up to 75 mph

“WHAT...Northwest winds gusting 60 to 75 mph occurring. WHERE...A portion of southeast Montana. WHEN...Until 5 AM MST early this morning. IMPACTS...Damaging winds may blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. Secure loose outdoor items.”

NWS severe weather mention · Custer County

Wednesday, December 17, 2025

3 NWS warnings — wind gusts up to 75 mph

“WHAT...Northwest winds gusting 60 to 75 mph occurring. WHERE...A portion of southeast Montana. WHEN...Until 5 AM MST Thursday. IMPACTS...Damaging winds may blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. Secure loose outdoor items.”

NWS severe weather mention · Custer County

“WHAT...West winds gusting 60 to 75 mph expected. WHERE...A portion of southeast Montana. WHEN...Until 5 AM MST Thursday. IMPACTS...Damaging winds may blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. Secure loose outdoor items.”

NWS severe weather mention · Custer County

Tuesday, December 16, 2025

3 NWS warnings — wind gusts up to 70 mph

“WHAT...West winds gusting 60 to 70 mph expected. WHERE...A portion of southeast Montana. WHEN...From 11 AM Wednesday to 5 AM MST Thursday. IMPACTS...Damaging winds may blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. Secure loose outdoor items.”

NWS severe weather mention · Custer County

“WHAT...West winds gusting 60 to 70 mph expected. WHERE...A portion of southeast Montana. WHEN...From 11 AM Wednesday to 5 AM MST Thursday. IMPACTS...Damaging winds may blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. Secure loose outdoor items.”

NWS severe weather mention · Custer County

Saturday, November 8, 2025

1 NWS warning — wind gusts up to 65 mph

“A Canadian cold front dropping through the area will bring a period of strong northwest winds during the overnight hours. Expect gusts of 50 to 65 mph through 3 am, causing difficult crosswinds for travelers on Interstate 94 and US-12. Rain and snow showers will develop through the night as well. Wind gusts will decrease to 40 to 50 mph later tonight.”

NWS severe weather mention · Custer County

Today's severe weather outlook

Storm Prediction Center Day 1 convective outlook — national severe weather risk map for today
Storm Prediction Center Day 1 convective outlook: categorical severe weather risk for today, updated several times daily. Source: NOAA/NWS Storm Prediction Center.

Common questions

When was the last severe storm in Custer County, MT?

The most recent recorded event was in September 2026. Official NWS and SPC records show 83 severe weather events in Custer County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.

Has there been hail in Custer County recently?

Yes — 49 hail reports in the last 12 months, with hail up to 0.88" recorded.

How do I check whether a specific address was affected?

Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property — county-level pages like this one only tell part of the story.

Most active Montana counties

← All Montana counties

Proudly AI-powered. Honestly sourced. IDOLCheck is built by HailyAI. Every storm event, magnitude, radar snapshot, and date on this page is deterministic — retrieved directly from official NOAA, National Weather Service (NWS), and Storm Prediction Center (SPC) storm records through our HailyDB engine and displayed exactly as reported. Quoted warning and report text is always attributed to its official source. Where the surrounding copy is not a direct quote, it was generated with AI assistance from that same verified storm data and reviewed and approved by humans before publication. AI organizes and presents the record — it never invents storm data.