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Storm ActivityMinnesota Storm ActivityGrant County, MN
Minnesota · Official NOAA Storm Data

Grant County Storm Activity

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

Grant County, Minnesota has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 1 tornado report among 60 severe weather events here in the last 12 months, alongside 10 hail reports with hail up to 1.25" and 49 high-wind reports with gusts up to 80 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 Grant County, Minnesota showing the county boundary and surrounding cities
Grant County, Minnesota. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

60
Events (12 mo)
10
Hail
49
Wind
1
Tornado
1.25"
Max hail
80
Max wind (mph)
September 2026
Most recent

What the radar showed

Radar snapshot during the Jul 5, 2026 tornado event near 3 NNW Norcross, Grant County, Minnesota, with NWS warning polygons
NEXRAD radar at the moment of the Jul 5, 2026 tornado event (Tornado) near 3 NNW Norcross. 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 Grant County

Current NEXRAD radar over Grant County, Minnesota with recent storm report locations
Current radar over the Grant 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 1 storm day · 1 SPC verified report — hail to 1.25" 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.

Monday, August 3, 2026

1 NWS warning — hail up to 0.25"

“At 813 PM CDT, Doppler radar was tracking a line of strong thunderstorms extending from over Immanuel Church to over Summit, or extending from 8 miles northeast of Wheaton to 9 miles southwest of Wilmot, moving east 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.”

NWS severe weather mention · Grant County

Monday, July 20, 2026

2 NWS warnings — hail up to 0.5"

NEXRAD radar during the Monday, July 20, 2026 storm activity in Grant County, Minnesota
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 242 AM CDT, Doppler radar was tracking a strong thunderstorm near Dumont, or near Wheaton, moving east at 50 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. Locations impacted include... Hoffman, Herman, and Norcross.”

NWS severe weather mention · Grant County

“At 1221 AM CDT, Doppler radar was tracking a strong thunderstorm near Agency Village, moving east at 35 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. The strong thunderstorm will be near... Agency Village, Sisseton and Long Hollow Housing around 1225 AM CDT.”

NWS severe weather mention · Grant County

Friday, July 10, 2026

1 NWS warning — hail up to 0.88"

NEXRAD radar during the Friday, July 10, 2026 storm activity in Grant County, Minnesota
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 320 PM CDT, Doppler radar was tracking a strong thunderstorm near Revillo, or 16 miles northeast of Clear Lake, moving east at 5 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 hail damage to vegetation is possible. Locations impacted include... Bellingham.”

NWS severe weather mention · Grant County

Tuesday, July 7, 2026

1 NWS warning — hail up to 0.75"

NEXRAD radar during the Tuesday, July 7, 2026 storm activity in Grant County, Minnesota
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 1233 PM CDT, Doppler radar was tracking a cluster of strong thunderstorms 7 miles north of Trinity Lutheran Country Church, or 13 miles southeast of Wheaton, 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 hail damage to vegetation is possible. Locations impacted include...”

NWS severe weather mention · Grant County

Sunday, July 5, 2026

2 SPC verified storm reports — 1 tornado report

NEXRAD radar during the Sunday, July 5, 2026 storm activity in Grant County, Minnesota
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Chaser near Herman MN reported cone tornado northwest of his position. On the ground for around 2 minutes then lifted. (FGF)”

SPC verified report · 3 NNW Norcross

“A few large branches down in Elbow Lake. (FGF)”

SPC verified report · Elbow Lake

Saturday, July 4, 2026

1 NWS warning — hail up to 0.88"

NEXRAD radar during the Saturday, July 4, 2026 storm activity in Grant County, Minnesota
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 547 PM CDT, Doppler radar was tracking a strong thunderstorm over Lismore Colony, or 8 miles southwest of Clinton, 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. The strong thunderstorm will be near... Lismore Colony around 550 PM CDT.”

NWS severe weather mention · Grant County

Monday, June 15, 2026

3 NWS warnings — wind gusts up to 55 mph

NEXRAD radar during the Monday, June 15, 2026 storm activity in Grant County, Minnesota
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 529 PM CDT, trained weather spotters reported strong thunderstorms along a line extending from near Long Hollow Housing to near Summit to Bryant. Movement was 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 · Grant County

“At 454 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Beardsley to near Twin Brooks to Lake Albert. Movement was east at 50 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 · Grant County

Wednesday, June 10, 2026

1 NWS warning — wind gusts up to 55 mph

“WHAT...Southwest wind gusts as high as 45 to 55 mph. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Deuel, Grant, and Roberts Counties. WHEN...Until 4 AM CDT early this morning. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”

NWS severe weather mention · Grant County

Tuesday, June 9, 2026

1 SPC verified storm report

“Lots of trees down around town... at least one camper heavily damaged... a few grain bins punched in or thrown around... multiple car train derailment. (FGF)”

SPC verified report · Hoffman

Wednesday, June 3, 2026

2 NWS warnings — hail up to 0.25"

NEXRAD radar during the Wednesday, June 3, 2026 storm activity in Grant County, Minnesota
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 856 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 6 miles north of Trinity Lutheran Country Church to near Lismore Colony to near Marvin. Movement was southeast at 25 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 hail damage to vegetation is possible.”

NWS severe weather mention · Grant County

“At 847 PM CDT, Doppler radar was tracking strong thunderstorms near Wheaton. Movement was 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 hail damage to vegetation is possible. Locations impacted include... Elbow Lake, Hoffman, Herman, Barrett, Wendell, Norcross, and Erdahl.”

NWS severe weather mention · Grant County

Tuesday, May 19, 2026

1 NWS warning — wind gusts up to 50 mph

“Strong wind gusts up to 50 mph are possible over the next few hours across portions of southeast Minnesota, northeast Iowa, and southwest Wisconsin in the wake of exit precipitation.”

NWS severe weather mention · Grant County

Monday, May 18, 2026

1 NWS warning — wind gusts up to 50 mph

“Strong wind gusts up to 50 mph are possible over the next few hours across portions of southeast Minnesota, northeast Iowa, and southwest Wisconsin. Unsecured outdoor objects may be blown around around by the wind and minor damage to objects such as trees and powerlines is possible.”

NWS severe weather mention · Grant County

Friday, May 15, 2026

1 NWS warning — wind gusts up to 50 mph

“AFFECTED AREA...In Minnesota, West Polk, Norman, Clay, Kittson, Roseau, Lake Of The Woods, West Marshall, East Marshall, North Beltrami, Pennington, Red Lake, East Polk, North Clearwater, South Beltrami, Mahnomen, South Clearwater, Hubbard, West Becker, East Becker, Wilkin, West Otter Tail, East Otter Tail, Wadena and Grant.”

NWS severe weather mention · Grant County

Thursday, May 14, 2026

10 NWS warnings — wind gusts up to 60 mph

“WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for coarse particle pollution from blowing dust. The Air Quality Index (AQI) is expected to reach the Red or Unhealthy category. WHERE...West central and northwest Minnesota. WHEN...Until 9 PM CDT Friday. IMPACTS...Some members of the general public may experience health effects.”

NWS severe weather mention · Grant County

“...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR EASTERN NORTH DAKOTA AND NORTHWEST AND WEST CENTRAL MINNESOTA...”

NWS severe weather mention · Grant County

Wednesday, May 13, 2026

8 NWS warnings — wind gusts up to 55 mph

“...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR EASTERN NORTH DAKOTA AND NORTHWEST AND WEST CENTRAL MINNESOTA...”

NWS severe weather mention · Grant County

“...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR EASTERN NORTH DAKOTA AND NORTHWEST AND WEST CENTRAL MINNESOTA...”

NWS severe weather mention · Grant County

Tuesday, May 12, 2026

4 NWS warnings — wind gusts up to 55 mph

“WHAT...Northwest winds 25 to 35 mph with gusts up to 55 mph. WHERE...Portions of northwest and west central Minnesota and northeast and southeast North Dakota. WHEN...Until 7 PM CDT this evening. IMPACTS...Gusty winds will blow around unsecured objects.”

NWS severe weather mention · Grant County

“WHAT...For the Blowing Dust Advisory, visibility between one-quarter and one mile in blowing dust. For the Wind Advisory, north winds 25 to 35 mph with gusts up to 50 mph. WHERE...Portions of northwest and west central Minnesota and northeast and southeast North Dakota. WHEN...Until 8 PM CDT this evening. IMPACTS...Hazardous driving conditions due to reduced visibility.”

NWS severe weather mention · Grant County

Monday, May 11, 2026

2 NWS warnings — wind gusts up to 55 mph

“WHAT...Northwest winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...Portions of northwest and west central Minnesota and northeast and southeast North Dakota. WHEN...From 9 AM to 7 PM CDT 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 · Grant County

“WHAT...Northwest winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...Portions of northwest and west central Minnesota and northeast and southeast North Dakota. WHEN...From 9 AM to 7 PM CDT 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 · Grant County

Sunday, April 12, 2026

1 NWS warning — hail up to 0.75"

NEXRAD radar during the Sunday, April 12, 2026 storm activity in Grant County, Minnesota
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 951 PM CDT, Doppler radar was tracking a strong thunderstorm over mainly rural areas of Grant County, moving east at 30 mph. Hazard: Penny size hail. Impact: Minor hail damage to vegetation is possible. Locations impacted include... Hoffman, Barrett, and Erdahl.”

NWS severe weather mention · Grant County

Wednesday, April 8, 2026

1 NWS warning — wind gusts up to 50 mph

“WHAT...West winds 25 to 40 mph with gusts up to 50 mph expected. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Brown, Clark, Codington, Day, Grant, Marshall, Roberts, and Spink Counties. WHEN...Until 9 PM CDT this evening. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”

NWS severe weather mention · Grant County

Friday, March 13, 2026

3 NWS warnings — wind gusts up to 65 mph

“WHAT...Northwest winds 30 to 40 mph with gusts up to 65 mph. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Clark, Codington, Day, Deuel, Grant, Hamlin, Marshall, and Roberts Counties. WHEN...Until 7 AM CDT this morning. IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.”

NWS severe weather mention · Grant County

“WHAT...Northwest winds 30 to 40 mph with gusts up to 55 mph. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Clark, Codington, Day, Deuel, Grant, Hamlin, Marshall, and Roberts Counties. WHEN...Until 7 AM CDT this morning. IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.”

NWS severe weather mention · Grant County

Thursday, March 12, 2026

6 NWS warnings — wind gusts up to 80 mph

“WHAT...Northwest winds 35 to 45 mph with gusts up to 60 mph expected. Northwest winds 35 to 45 mph with gusts up to 60 mph expected. Isolated thunderstorms may cause brief wind gusts to 80 mph. WHERE...In Minnesota, Clay, East Otter Tail, Grant, West Otter Tail, and Wilkin Counties. In North Dakota, Cass, Richland, and Steele Counties. WHEN...From 7 PM this evening to 7 AM CDT Friday.”

NWS severe weather mention · Grant County

“WHAT...Northwest winds 35 to 45 mph with gusts up to 65 mph expected. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Clark, Codington, Day, Deuel, Grant, Hamlin, Marshall, and Roberts Counties. WHEN...Until 7 AM CDT Friday. IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.”

NWS severe weather mention · Grant County

Wednesday, March 11, 2026

3 NWS warnings — wind gusts up to 60 mph

“WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected. WHERE...Portions of west central Minnesota and northeast and southeast North Dakota. WHEN...From 1 PM Thursday to 7 AM CDT Friday. IMPACTS...Power outages are possible. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Grant County

“WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph expected. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Clark, Codington, Day, Deuel, Grant, Hamlin, Marshall, and Roberts Counties. WHEN...From 7 PM Thursday to 7 AM CDT Friday. IMPACTS...High winds may move loose debris, damage property and cause power outages.”

NWS severe weather mention · Grant County

Wednesday, February 18, 2026

1 NWS warning — wind gusts up to 50 mph

“WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Northeast Iowa and, in southeast Minnesota, Dodge, Olmsted, Mower, and Fillmore Counties and, in southwest Wisconsin, Crawford and Grant Counties. WHEN...Until 6 PM CST this evening. 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 · Grant County

Wednesday, December 10, 2025

1 NWS warning — wind gusts up to 50 mph

“...ROUND 2 OF SNOW ARRIVING... .The second round of snow is beginning to move into southeast Minnesota and the I-94 corridor in central Wisconsin. Prior to the arrival of the snow, patchy freezing drizzle will be possible. A light glaze of ice may be possible on untreated and exposed surfaces. This band of snow will continue to move through the area over the next several hours.”

NWS severe weather mention · Grant County

Tuesday, December 9, 2025

1 NWS warning — wind gusts up to 50 mph

“...ROUND 1 OF SNOW DEPARTING, ROUND 2 ARRIVES SHORTLY... .The first wave of moderate to heavy snow is exiting for areas along and south of I-94, with moderate to locally heavy snow continuing further northeast. A second round of snow moves in after midnight, which will be accompanied by stronger winds that could lead to blowing and drifting of the new snow and reduced visibilities.”

NWS severe weather mention · Grant 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 Grant County, MN?

The most recent recorded event was in September 2026. Official NWS and SPC records show 60 severe weather events in Grant 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 Grant County recently?

Yes — 10 hail reports in the last 12 months, with hail up to 1.25" 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.

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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 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.
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