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Storm Activity›Idaho Storm Activity›Lemhi County, ID
Idaho · Official NOAA Storm Data

Lemhi County Hail Map & Storm Reports

Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Nov 1, 2026

Has it hailed in Lemhi County, Idaho recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 22 hail reports with hail up to 0.88", among 43 severe weather events logged here in the last 12 months, together with 21 high-wind reports with gusts up to 70 mph. The most recent recorded storm activity was on Sep 2, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.

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

Lemhi County hail map

Where hail and high-wind reports clustered across Lemhi County over the last 12 months. Heat shows report density and significance, not radar.

43
Events (12 mo)
22
Hail
21
Wind
0
Tornado
0.88"
Max hail
70
Max wind (mph)
Sep 2, 2026
Most recent

What the radar showed

Radar snapshot during the Jul 30, 2026 wind event near Lemhi County, Lemhi County, Idaho, with NWS warning polygons
NEXRAD radar at the moment of the Jul 30, 2026 wind event (55 mph) near Lemhi 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.

Storm exposure for an address in Lemhi County

Get a free report in your folder. A city is enough if you do not have a street.

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, September 2, 2026

2 NWS warnings — hail up to 0.75"

NEXRAD radar during the Wednesday, September 2, 2026 storm activity in Lemhi County, Idaho
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 1129 AM MDT, Doppler radar was tracking a strong thunderstorm 13 miles northwest of North Fork, or 29 miles northwest of Salmon, moving north at 30 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... Lost Trail Pass.”

NWS severe weather mention · Lemhi County

“At 1129 AM MDT, Doppler radar was tracking a strong thunderstorm 13 miles northwest of North Fork, or 29 miles northwest of Salmon, moving north at 30 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... Lost Trail Pass.”

NWS severe weather mention · Lemhi County

Tuesday, September 1, 2026

2 NWS warnings — hail up to 0.5"

NEXRAD radar during the Tuesday, September 1, 2026 storm activity in Lemhi County, Idaho
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 543 PM MDT, Doppler radar was tracking a strong thunderstorm near Salmon, moving north at 25 mph. Hazard: Wind gusts up to 30 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... Salmon and Carmen.”

NWS severe weather mention · Lemhi County

“At 543 PM MDT, Doppler radar was tracking a strong thunderstorm near Salmon, moving north at 25 mph. Hazard: Wind gusts up to 30 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... Salmon and Carmen.”

NWS severe weather mention · Lemhi County

Friday, August 21, 2026

2 NWS warnings — wind gusts up to 50 mph

NEXRAD radar during the Friday, August 21, 2026 storm activity in Lemhi County, Idaho
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 959 PM MDT, Doppler radar was tracking a strong thunderstorm 16 miles southeast of Gilmore, moving north at 15 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Gilmore and Nicholia.”

NWS severe weather mention · Lemhi County

“At 852 PM MDT, Doppler radar was tracking a line of strong thunderstorms extending from 25 miles south of Lemhi to 26 miles east of Gilmore, or extending from 49 miles south of Salmon to 56 miles southeast of Salmon, moving north at 10 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Lemhi County

Friday, August 14, 2026

6 NWS warnings — hail up to 0.5"

NEXRAD radar during the Friday, August 14, 2026 storm activity in Lemhi County, Idaho
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 249 PM MDT, Doppler radar was tracking a strong thunderstorm 21 miles southwest of Salmon, moving east 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... Williams Lake.”

NWS severe weather mention · Lemhi County

“At 249 PM MDT, Doppler radar was tracking a strong thunderstorm 21 miles southwest of Salmon, moving east 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... Williams Lake.”

NWS severe weather mention · Lemhi County

Thursday, July 30, 2026

1 NWS warning — wind gusts up to 55 mph

NEXRAD radar during the Thursday, July 30, 2026 storm activity in Lemhi County, Idaho
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 358 PM MDT, Doppler radar was tracking a line of strong thunderstorms extending from 17 miles southwest of Lemhi to 18 miles southwest of Gilmore, or extending from 31 miles south of Salmon to 49 miles south of Salmon, moving northeast at 20 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 · Lemhi County

Wednesday, July 29, 2026

1 NWS warning — hail up to 0.25"

“At 333 PM MDT, Doppler radar was tracking a strong thunderstorm 10 miles northwest of Gilmore, or 37 miles east of Challis, moving northeast 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 · Lemhi County

Saturday, July 18, 2026

2 NWS warnings — hail up to 0.5"

NEXRAD radar during the Saturday, July 18, 2026 storm activity in Lemhi County, Idaho
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 1148 AM MDT, Doppler radar was tracking a strong thunderstorm 12 miles west of North Fork, or 20 miles northwest of Salmon, moving northeast at 40 mph. Hazard: Half inch size hail. Impact: Minor damage to outdoor objects is possible. Locations impacted include... North Fork, Gibbonsville, Shoup and Leesburg. This includes the following Specific Areas...”

NWS severe weather mention · Lemhi County

“At 1148 AM MDT, Doppler radar was tracking a strong thunderstorm 12 miles west of North Fork, or 20 miles northwest of Salmon, moving northeast at 40 mph. Hazard: Half inch size hail. Impact: Minor damage to outdoor objects is possible. Locations impacted include... North Fork, Gibbonsville, Shoup and Leesburg. This includes the following Specific Areas...”

NWS severe weather mention · Lemhi County

Wednesday, July 8, 2026

1 NWS warning — hail up to 0.88"

“At 704 PM MDT, Doppler radar was tracking a strong thunderstorm near Gibbonsville, or 23 miles north of Salmon, moving east 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... Gibbonsville.”

NWS severe weather mention · Lemhi County

Sunday, July 5, 2026

4 NWS warnings — hail up to 0.25"

NEXRAD radar during the Sunday, July 5, 2026 storm activity in Lemhi County, Idaho
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 705 PM MDT, Doppler radar was tracking a strong thunderstorm 9 miles southeast of Salmon, 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... Baker.”

NWS severe weather mention · Lemhi County

“At 621 PM MDT, Doppler radar was tracking a strong thunderstorm 9 miles west of Lemhi, or 20 miles south of Salmon, moving northeast at 15 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... Lemhi and Tendoy.”

NWS severe weather mention · Lemhi County

Wednesday, July 1, 2026

4 NWS warnings — hail up to 0.25"

NEXRAD radar during the Wednesday, July 1, 2026 storm activity in Lemhi County, Idaho
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 643 PM MDT, Doppler radar was tracking a strong thunderstorm 12 miles southwest of North Fork, or 17 miles northwest of Salmon, moving northeast at 25 mph. Hazard: Wind gusts up to 40 mph, heavy rain, 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... North Fork.”

NWS severe weather mention · Lemhi County

“At 643 PM MDT, Doppler radar was tracking a strong thunderstorm 12 miles southwest of North Fork, or 17 miles northwest of Salmon, moving northeast at 25 mph. Hazard: Wind gusts up to 40 mph, heavy rain, 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... North Fork.”

NWS severe weather mention · Lemhi County

Monday, June 15, 2026

2 NWS warnings — wind gusts up to 50 mph

“WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Lemhi County. WHEN...From 1 PM to 10 PM MDT Tuesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Lemhi County

“WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Lemhi County. WHEN...From 1 PM to 10 PM MDT Tuesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Lemhi County

Wednesday, May 27, 2026

1 NWS warning — wind gusts up to 50 mph

“At 452 PM MDT, Doppler radar was tracking a strong thunderstorm 24 miles southeast of Gilmore, moving northwest at 35 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Gilmore and Nicholia.”

NWS severe weather mention · Lemhi County

Wednesday, May 13, 2026

1 NWS warning — wind gusts up to 50 mph

“WHAT...Southwest winds 20 to 35 mph with gusts up to 50 mph expected. Isolated stronger gusts are possible with showers and thunderstorms. There is a 50 percent chance for wind gusts exceeding 50 mph on Highway 28 south of Tendoy. WHERE...Eastern Lemhi County. WHEN...From noon today to 9 PM MDT this evening. IMPACTS...Gusty winds will blow around unsecured objects.”

NWS severe weather mention · Lemhi County

Tuesday, March 24, 2026

2 NWS warnings — wind gusts up to 60 mph

“WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. Localized gusts to 60 mph in typical wind prone areas. WHERE...In Idaho, Eastern Lemhi County and Western Lemhi County. In Montana, Butte/Blackfoot Region. WHEN...From 11 AM to 7 PM MDT Wednesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Lemhi County

“WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. Localized gusts to 60 mph in typical wind prone areas. WHERE...In Idaho, Eastern Lemhi County and Western Lemhi County. In Montana, Butte/Blackfoot Region. WHEN...From 11 AM to 7 PM MDT Wednesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Lemhi County

Friday, March 13, 2026

2 NWS warnings — wind gusts up to 60 mph

“WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph expected. WHERE...Eastern Lemhi County and Western Lemhi County. WHEN...From noon to 9 PM MDT Saturday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Lemhi County

“WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph expected. WHERE...Eastern Lemhi County and Western Lemhi County. WHEN...From noon to 9 PM MDT Saturday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Lemhi County

Thursday, March 12, 2026

4 NWS warnings — wind gusts up to 70 mph

“WHAT...West winds 30 to 40 mph with gusts up to 70 mph. WHERE...Eastern Lemhi County and Western Lemhi County. WHEN...Until midnight MDT tonight. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Lemhi County

“WHAT...West winds 30 to 40 mph with gusts up to 70 mph. WHERE...Eastern Lemhi County and Western Lemhi County. WHEN...Until midnight MDT tonight. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Lemhi County

Wednesday, March 11, 2026

2 NWS warnings — wind gusts up to 60 mph

“WHAT...West winds 20 to 30 mph with gusts up to 60 mph expected. WHERE...Eastern Lemhi County and Western Lemhi County. WHEN...From midnight tonight to midnight MDT Thursday Night. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Lemhi County

“WHAT...West winds 20 to 30 mph with gusts up to 60 mph expected. WHERE...Eastern Lemhi County and Western Lemhi County. WHEN...From midnight tonight to midnight MDT Thursday Night. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Lemhi County

Tuesday, March 10, 2026

4 NWS warnings — wind gusts up to 60 mph

“WHAT...Southwest winds 20 to 30 mph with gusts up to 60 mph expected. WHERE...Eastern Lemhi County and Western Lemhi County. WHEN...From midnight Wednesday Night to midnight MDT Thursday Night. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Lemhi County

“WHAT...Southwest winds 20 to 30 mph with gusts up to 60 mph expected. WHERE...Eastern Lemhi County and Western Lemhi County. WHEN...From midnight Wednesday Night to midnight MDT Thursday Night. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Lemhi 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 Lemhi County, ID?

The most recent recorded event was on Sep 2, 2026. Official NWS and SPC records show 43 severe weather events in Lemhi County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.

Did it hail in Lemhi County recently?

Yes — 22 hail reports in the last 12 months, with hail up to 0.88" recorded. The hail map above shows where reports clustered; the storm log lists each day.

How do I see hail history for a specific address in Lemhi County?

Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property, including the most recent 30 days — county-level pages like this one only tell part of the story.

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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 HailyAPI 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.
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