Petroleum County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 11, 2026
Looking for storm and wind reports in Petroleum County, Montana? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records show 75 severe weather events in the last 12 months — 65 high-wind reports with gusts up to 80 mph, plus 10 hail reports with hail up to 0.88". 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.
What the radar showed
Last 30 days in Petroleum County
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.
Monday, July 13, 2026
2 SPC verified storm reports — wind gusts up to 63 mph
“Mesonet station MTWIN Winnett Mt-200 Mp 136.0. (GGW)”
“Mosby S Montana Mesonet surface station. (GGW)”
- Wind 63 mph 1 NNW Winnett SPC verified report
- Wind 58 mph 15 S Mosby SPC verified report
Sunday, July 12, 2026
1 SPC verified storm report — wind gusts up to 59 mph
“Winnett SW... MT (UMT - GGW) Elev: 3202.0 ft; Lat/Lon: 46.96536/-108.50241. (GGW)”
- Wind 59 mph 7 SE Tiegen SPC verified report
Saturday, July 11, 2026
1 SPC verified storm report — wind gusts up to 72 mph
“DRY BLOOD CREEK... MT (RAWS - GGW) Elev: 3153.0 ft; Lat/Lon: 7.244140/-108.358920. (GGW)”
- Wind 72 mph 17 N Winnett SPC verified report
Sunday, July 5, 2026
2 NWS warnings — hail up to 0.5"
“At 649 PM MDT, Doppler radar was tracking a strong thunderstorm 13 miles southwest of Mosby, or 14 miles southeast of Winnett, moving northeast at 45 mph. Hazard: Wind gusts of 50 to 55 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
“At 845 PM MDT, Doppler radar was tracking a strong thunderstorm 10 miles south of Zortman, moving east at 55 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...”
- Hail 0.5" Petroleum County NWS severe weather mention
- Hail 0.25" Petroleum County NWS severe weather mention
Saturday, July 4, 2026
1 SPC verified storm report — wind gusts up to 58 mph
- Wind 58 mph 8 N Tiegen SPC verified report
Friday, July 3, 2026
2 NWS warnings — hail up to 0.75"
“At 201 PM MDT, Doppler radar was tracking a strong thunderstorm near Winnett, 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...”
“At 414 PM MDT, Doppler radar was tracking a strong thunderstorm near Jordan, moving northeast at 35 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 damage to outdoor objects is possible. Locations impacted include... Jordan, Sand Springs, Mosby, Edwards, Brusett, and Steve Fork.”
- Hail 0.75" Petroleum County NWS severe weather mention
- Hail 0.5" Petroleum County NWS severe weather mention
Wednesday, July 1, 2026
2 SPC verified storm reports · 1 NWS warning — hail up to 0.25", wind gusts up to 61 mph
“Jitney Road Montana Mesonet station. (GGW)”
“At 743 PM MDT, Doppler radar was tracking a strong thunderstorm 17 miles northeast of Grass Range, or 19 miles northwest of Winnett, moving northeast at 30 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...”
- Wind 61 mph 1 NNW Winnett SPC verified report
- Wind 59 mph 4 W Cat Creek SPC verified report
- Hail 0.25" Petroleum County NWS severe weather mention
Thursday, June 25, 2026
1 NWS warning — hail up to 0.5"
“At 741 PM MDT, Doppler radar was tracking a strong thunderstorm near U L Bend Rec Area, or 38 miles northeast of Winnett, moving northeast at 20 mph. Hazard: Winds in excess of 40 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”
- Hail 0.5" Petroleum County NWS severe weather mention
Tuesday, June 16, 2026
2 NWS warnings — hail up to 0.25", wind gusts up to 55 mph
“At 844 PM MDT, Doppler radar was tracking a strong thunderstorm 10 miles west of Flatwillow, or 15 miles southwest of Winnett, moving southeast 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... Winnett, Flatwillow, Petrolia Lake, and Tiegen.”
“At 706 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 8 miles south of Sand Springs to 6 miles east of Grass Range. Movement was southeast at 20 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...”
- Wind 55 mph Petroleum County NWS severe weather mention
- Hail 0.25" Petroleum County NWS severe weather mention
Friday, June 12, 2026
1 NWS warning — hail up to 0.25"
“At 655 PM MDT, Doppler radar was tracking a strong thunderstorm 15 miles east of Roy, or 21 miles northwest of Winnett, moving east at 40 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...”
- Hail 0.25" Petroleum County NWS severe weather mention
Friday, May 29, 2026
1 NWS warning — wind gusts up to 55 mph
“At 528 PM MDT, Doppler radar was tracking a strong thunderstorm 18 miles east of Roy, or 22 miles northwest of Winnett, moving northeast at 30 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. This storm will remain over mainly rural areas of west central Petroleum County.”
- Wind 55 mph Petroleum County NWS severe weather mention
Thursday, May 14, 2026
2 NWS warnings — wind gusts up to 70 mph
“WHAT...West winds 35 to 45 mph with gusts up to 70 mph. WHERE...Garfield, Northern Phillips, Northern Valley, Petroleum, and Southwest Phillips Counties. WHEN...Until midnight MDT tonight. IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.”
“WHAT...West winds 25 to 35 mph with gusts up to 65 mph. WHERE...Garfield, Northern Phillips, Northern Valley, Petroleum, and Southwest Phillips Counties. WHEN...Until midnight MDT tonight. IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.”
- Wind 70 mph Petroleum County NWS severe weather mention
- Wind 65 mph Petroleum County NWS severe weather mention
Wednesday, May 13, 2026
1 SPC verified storm report · 2 NWS warnings — wind gusts up to 72 mph
“WHAT...West winds 35 to 45 mph with gusts up to 70 mph. WHERE...Phillips, Valley, Garfield, and Petroleum Counties. WHEN...Until midnight MDT Thursday Night. IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.”
“WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected. WHERE...Central and Southeast Phillips, Central and Southern Valley, Garfield, Northern Phillips, Northern Valley, Petroleum, and Southwest Phillips Counties. WHEN...Until midnight MDT Thursday Night. IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible.”
- Wind 70 mph Petroleum County NWS severe weather mention
- Wind 72 mph 6 SE Tiegen SPC verified report
- Wind 65 mph Petroleum County NWS severe weather mention
Tuesday, May 12, 2026
7 SPC verified storm reports · 2 NWS warnings — wind gusts up to 72 mph
“WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected. WHERE...Central and Southeast Phillips, Central and Southern Valley, Garfield, Northern Phillips, Northern Valley, Petroleum, and Southwest Phillips Counties. WHEN...From 4 PM Wednesday to midnight MDT Thursday Night. IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible.”
“WHAT...Southeast winds possibly gusting to 60 mph then west winds 30 to 40 mph with gusts up to 60 mph possible. WHERE...Central and Southeast Phillips, Central and Southern Valley, Garfield, Northern Phillips, Northern Valley, and Petroleum Counties. WHEN...From Wednesday afternoon through Thursday evening. IMPACTS...Damaging winds could blow down trees and power lines.”
- Wind 72 mph 7 N Tiegen SPC verified report
- Wind 65 mph Petroleum County NWS severe weather mention
- Wind 69 mph 7 N Tiegen SPC verified report
- Wind 68 mph 14 WSW Crooked Creek Ca SPC verified report
- Wind 60 mph Petroleum County NWS severe weather mention
- Wind 58 mph 1 NNW Winnett SPC verified report
- Wind 61 mph 10 WNW Mosby SPC verified report
- Wind 61 mph 7 WSW Winnett SPC verified report
- Wind 59 mph 17 N Winnett SPC verified report
Monday, May 11, 2026
2 NWS warnings — wind gusts up to 60 mph
“WHAT...West northwest winds 30 to 45 mph with gusts up to 60 mph possible. WHERE...A portion of northeast Montana. WHEN...Thursday. IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.”
“WHAT...West northwest winds 30 to 45 mph with gusts up to 60 mph possible. WHERE...A portion of northeast Montana. WHEN...Thursday. IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.”
- Wind 60 mph Petroleum County NWS severe weather mention
- Wind 60 mph Petroleum County NWS severe weather mention
Friday, April 24, 2026
1 NWS warning — wind gusts up to 50 mph
“WHAT...West winds 25 to 35 mph with gusts up to 50 mph at times. WHERE...Fort Peck Lake. WHEN...Until 1 PM MDT Saturday. IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. ADDITIONAL DETAILS...Look for wave heights as high as 4 feet.”
- Wind 50 mph Petroleum County NWS severe weather mention
Thursday, April 23, 2026
2 NWS warnings — wind gusts up to 60 mph
“WHAT...Northwest winds 25 to 40 mph with gusts up to 60 mph. WHERE...Phillips, Valley, Garfield, and Petroleum Counties. WHEN...Until 8 PM MDT this evening. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
“WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph expected. WHERE...Phillips, Valley, Garfield, and Petroleum Counties. WHEN...Until 8 PM MDT this evening. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
- Wind 60 mph Petroleum County NWS severe weather mention
- Wind 60 mph Petroleum County NWS severe weather mention
Wednesday, April 22, 2026
3 NWS warnings — wind gusts up to 60 mph
“WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph expected. WHERE...Phillips, Valley, Garfield, and Petroleum Counties. WHEN...From midnight tonight to 8 PM MDT Thursday. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
“At 329 PM MDT, Doppler radar was tracking a strong thunderstorm near Mosby, or 25 miles east of Winnett, moving northwest at 15 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... Sand Springs, Mosby, Edwards, Steve Fork, and Cat Creek.”
- Wind 60 mph Petroleum County NWS severe weather mention
- Wind 55 mph Petroleum County NWS severe weather mention
- Wind 55 mph Petroleum County NWS severe weather mention
Tuesday, April 21, 2026
1 NWS warning — wind gusts up to 60 mph
“WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph possible. WHERE...Phillips, Valley, Garfield, Petroleum Counties. WHEN...From late Wednesday night through Thursday afternoon. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
- Wind 60 mph Petroleum County NWS severe weather mention
Saturday, April 11, 2026
1 NWS warning — wind gusts up to 55 mph
“At 621 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 16 miles west of Crooked Creek Rec Area to 8 miles northeast of Flatwillow. Movement was east at 30 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...”
- Wind 55 mph Petroleum County NWS severe weather mention
Friday, April 10, 2026
1 SPC verified storm report — wind gusts up to 64 mph
- Wind 64 mph 1 NNW Winnett SPC verified report
Tuesday, April 7, 2026
2 NWS warnings — wind gusts up to 50 mph
“WHAT...Northwest winds 20 to 35 mph with gusts up to 50 mph. WHERE...Fort Peck Lake. WHEN...Until 9 PM MDT Wednesday. IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. ADDITIONAL DETAILS...Waves up to 5 feet are expected over Fort Peck Lake from now through Wednesday afternoon.”
“WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph expected. WHERE...Fort Peck Lake WHEN...From noon today to 9 PM MDT Wednesday. IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. ADDITIONAL DETAILS...Waves up to 5 feet are expected over Fort Peck Lake this afternoon, tonight and Wednesday.”
- Wind 50 mph Petroleum County NWS severe weather mention
- Wind 50 mph Petroleum County NWS severe weather mention
Tuesday, March 17, 2026
3 NWS warnings — wind gusts up to 60 mph
“WHAT...West winds 25 to 35 mph with gusts up to 60 mph. WHERE...Central and Southeast Phillips, Garfield, Northern Phillips, Valley, and Petroleum Counties. WHEN...Until 6 PM MDT this evening. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
“WHAT...West winds 25 to 35 mph with gusts up to 60 mph. WHERE...Central and Southeast Phillips, Central and Southern Valley, Garfield, Northern Phillips, Northern Valley, and Petroleum Counties. WHEN...Until 6 PM MDT this evening. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
- Wind 60 mph Petroleum County NWS severe weather mention
- Wind 60 mph Petroleum County NWS severe weather mention
- Wind 50 mph Petroleum County NWS severe weather mention
Monday, March 16, 2026
2 NWS warnings — wind gusts up to 60 mph
“WHAT...West winds 35 to 45 mph with gusts up to 60 mph expected. WHERE...Central and Southeast Phillips, Central and Southern Valley, Garfield, Northern Phillips, and Petroleum Counties. WHEN...From 2 AM to 6 PM MDT Tuesday. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
“WHAT...West winds 20 to 30 mph with gusts up to 55 mph possible. WHERE...Central and Southeast Phillips, Central and Southern Valley, Garfield, Northern Phillips, and Petroleum Counties. WHEN...From late tonight through Tuesday afternoon. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
- Wind 60 mph Petroleum County NWS severe weather mention
- Wind 55 mph Petroleum County NWS severe weather mention
Sunday, March 15, 2026
1 NWS warning — wind gusts up to 60 mph
“WHAT...West winds 25 to 35 mph with gusts up to 60 mph possible. WHERE...Northern, Central and Southeast Phillips, Central and Southern Valley, Garfield, and Petroleum Counties. WHEN...From late Monday night through Tuesday afternoon. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
- Wind 60 mph Petroleum County NWS severe weather mention
Thursday, March 12, 2026
2 NWS warnings — wind gusts up to 80 mph
“WHAT...Northwest winds 35 to 50 mph with gusts up to 80 mph. WHERE...A portion of northeast Montana. WHEN...Until 7 PM MDT this evening. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
“WHAT...West winds 40 to 50 mph with gusts up to 70 mph. WHERE...A portion of northeast Montana. WHEN...Until 7 PM MDT this evening. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
- Wind 80 mph Petroleum County NWS severe weather mention
- Wind 70 mph Petroleum County NWS severe weather mention
Wednesday, March 11, 2026
2 NWS warnings — wind gusts up to 70 mph
“WHAT...West winds 30 to 45 mph with gusts up to 70 mph expected. WHERE...A portion of northeast Montana. WHEN...From 3 AM to 7 PM MDT Thursday. IMPACTS...High winds may move loose debris, damage property, and cause power bumps which can damage electronics. Travel could be difficult, especially for high profile vehicles.”
“WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected. WHERE...A portion of northeast Montana. WHEN...From 5 AM to 9 PM MDT Thursday. IMPACTS...High winds may move loose debris, damage property, and cause power bumps which can damage electronics. Travel could be difficult, especially for high profile vehicles.”
- Wind 70 mph Petroleum County NWS severe weather mention
- Wind 65 mph Petroleum County NWS severe weather mention
Tuesday, March 10, 2026
1 NWS warning — wind gusts up to 60 mph
“WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. WHERE...A portion of northeast Montana. WHEN...From Thursday morning through Thursday afternoon. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
- Wind 60 mph Petroleum County NWS severe weather mention
Sunday, March 8, 2026
2 NWS warnings — wind gusts up to 65 mph
“WHAT...West winds 30 to 45 mph with gusts up to 65 mph expected. WHERE...Central and Southeast Phillips, Northern Phillips, and Petroleum Counties. WHEN...Until 6 PM MDT this evening. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
“WHAT...West winds 30 to 45 mph with gusts up to 65 mph expected. WHERE...Central and Southeast Phillips, Northern Phillips, and Petroleum Counties. WHEN...Until 6 PM MDT this evening. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
- Wind 65 mph Petroleum County NWS severe weather mention
- Wind 65 mph Petroleum County NWS severe weather mention
Tuesday, February 17, 2026
1 NWS warning — wind gusts up to 60 mph
“WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected. WHERE...Dawson, Garfield, McCone, Petroleum, and Prairie Counties. WHEN...Until 5 AM MST Wednesday. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
- Wind 60 mph Petroleum County NWS severe weather mention
Monday, February 16, 2026
3 NWS warnings — wind gusts up to 60 mph
“WHAT...West winds 35 to 45 mph with gusts up to 60 mph expected. WHERE...Central and Southeast Phillips, Dawson, Garfield, McCone, Petroleum, Prairie, and Southwest Phillips Counties. WHEN...From 11 AM Tuesday to 5 AM MST Wednesday. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
“WHAT...West winds 25 to 35 mph with gusts up to 60 mph possible. WHERE...Garfield, Petroleum, and Southwest Phillips Counties. WHEN...From Tuesday morning through Tuesday evening. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
- Wind 60 mph Petroleum County NWS severe weather mention
- Wind 60 mph Petroleum County NWS severe weather mention
- Wind 60 mph Petroleum County NWS severe weather mention
Wednesday, December 17, 2025
2 NWS warnings — wind gusts up to 80 mph
“WHAT...West winds 40 to 50 mph with gusts up to 80 mph. WHERE...Central and Southeast Phillips, Dawson, Garfield, McCone, Petroleum, Prairie, Southwest Phillips, and Wibaux Counties. WHEN...Until 3 AM MST Thursday. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.”
“WHAT...West winds 35 to 50 mph with gusts up to 75 mph expected. WHERE...Central and Southern Phillips, Dawson, Garfield, McCone, Petroleum, Prairie and Wibaux Counties. WHEN...From 8 AM this morning to 3 AM MST Thursday. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel will be difficult, especially for high profile vehicles.”
- Wind 80 mph Petroleum County NWS severe weather mention
- Wind 75 mph Petroleum County NWS severe weather mention
Tuesday, December 16, 2025
1 NWS warning — wind gusts up to 55 mph
“WHAT...West winds 40 to 55 mph with gusts in excess of 70 mph expected. WHERE...All of northeast Montana. WHEN...From 8 AM Wednesday to 3 AM MST Thursday. IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles. ADDITIONAL DETAILS...Wednesday mid-day, rain showers and an isolated thunderstorm are possible.”
- Wind 55 mph Petroleum County NWS severe weather mention
Monday, December 8, 2025
3 NWS warnings — wind gusts up to 60 mph
“WHAT...A wintry mix of snow, rain, and freezing rain expected. Total ice accumulations around a light glaze to a few hundredths. Winds gusting as high as 50 to 60 mph. WHERE...All of northeast Montana. WHEN...From 11 PM this evening to 2 PM MST Tuesday. IMPACTS...Very slippery outdoor surfaces, roads, and bridges are possible. The hazardous conditions will impact the Tuesday morning commute.”
“WHAT...A Wintry mix of snow, rain, and freezing rain expected. Total ice accumulations around a light glaze to a few hundredths. Winds gusting as high as 50 to 60 mph. WHERE...All of northeast Montana. WHEN...From 11 PM this evening to 2 PM MST Tuesday. IMPACTS...A light wintry mix combined with cold ground temperatures will lead to icy surfaces. Look for difficult walking and driving conditions.”
- Wind 60 mph Petroleum County NWS severe weather mention
- Wind 60 mph Petroleum County NWS severe weather mention
- Wind 60 mph Petroleum County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Petroleum County, MT?
The most recent recorded event was in September 2026. Official NWS and SPC records show 75 severe weather events in Petroleum 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 Petroleum County recently?
Yes — 10 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.