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Storm ActivityMinnesota Storm ActivityBig Stone County, MN
Minnesota · Official NOAA Storm Data

Big Stone 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 Big Stone County, Minnesota recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 12 hail reports with hail up to 1.75", among 40 severe weather events logged here in the last 12 months, together with 28 high-wind reports with gusts up to 65 mph. The most recent recorded storm activity was on Aug 7, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.

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

40
Events (12 mo)
12
Hail
28
Wind
0
Tornado
1.75"
Max hail
65
Max wind (mph)
Aug 7, 2026
Most recent

What the radar showed

Radar snapshot during the Jun 3, 2026 hail event near 1 ENE Ortonville, Big Stone County, Minnesota, with NWS warning polygons
NEXRAD radar at the moment of the Jun 3, 2026 hail event (1.75") near 1 ENE Ortonville. 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.

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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.

Friday, August 7, 2026

1 NWS warning — hail up to 0.5"

“At 544 AM CDT, Doppler radar was tracking a strong thunderstorm over Yankeetown, or 8 miles southeast of Browns Valley, moving east at 25 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. The strong thunderstorm will be near... Yankeetown around 545 AM CDT.”

NWS severe weather mention · Big Stone County

Monday, August 3, 2026

2 NWS warnings — hail up to 0.25"

NEXRAD radar during the Monday, August 3, 2026 storm activity in Big Stone 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 846 PM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 9 miles east of Charlesville to over Lismore Colony, or extending from 23 miles northeast of Wheaton to 7 miles west of Clinton, 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.”

NWS severe weather mention · Big Stone County

“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 · Big Stone County

Monday, July 20, 2026

1 NWS warning — hail up to 0.25"

“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 · Big Stone County

Friday, July 10, 2026

2 NWS warnings — hail up to 0.88"

NEXRAD radar during the Friday, July 10, 2026 storm activity in Big Stone 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 · Big Stone County

“At 440 PM CDT, Doppler radar was tracking a cluster of strong thunderstorms capable of producing a landspout along a line extending from near Beardsley to near Lagoona Beach. Movement was east at 10 mph. Hazard: Landspouts, wind gusts up to 50 mph, and half inch hail. Impact: Minor damage to outdoor objects is possible. Gusty winds could knock down tree limbs and blow around unsecured objects.”

NWS severe weather mention · Big Stone County

Monday, July 6, 2026

3 SPC verified storm reports — wind gusts up to 62 mph

NEXRAD radar during the Monday, July 6, 2026 storm activity in Big Stone 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.

“Personal weather station 2 miles northwest of Beardsley recorded a gust of 58 mph. (ABR)”

SPC verified report · 2 NW Beardsley

“Mesonet station MN036 MN-28 - 3WSW Graceville (MNDOT). (ABR)”

SPC verified report · 3 WSW Graceville

Sunday, July 5, 2026

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

NEXRAD radar during the Sunday, July 5, 2026 storm activity in Big Stone 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.

“Personal Weather Station KMNCLINT4. (ABR)”

SPC verified report · 8.1 ESE Bonanza Grove

Saturday, July 4, 2026

1 NWS warning — hail up to 0.88"

NEXRAD radar during the Saturday, July 4, 2026 storm activity in Big Stone 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 · Big Stone 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 Big Stone 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 · Big Stone 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 · Big Stone 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 · Big Stone County

Tuesday, June 9, 2026

1 SPC verified storm report

“Large Pine tree snapped at base of trunk and other tree damage. Time estimated by radar. (ABR)”

SPC verified report · 4 ENE Ortonville

Thursday, June 4, 2026

1 NWS warning — hail up to 0.88"

NEXRAD radar during the Thursday, June 4, 2026 storm activity in Big Stone 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 839 PM CDT, Doppler radar was tracking a strong thunderstorm near Ortonville, moving east at 20 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... Ortonville, Artichoke, Lagoona Beach, Artichoke Lake, and Big Stone Lake.”

NWS severe weather mention · Big Stone County

Wednesday, June 3, 2026

4 SPC verified storm reports · 1 NWS warning — hail up to 1.75", wind gusts up to 58 mph

NEXRAD radar during the Wednesday, June 3, 2026 storm activity in Big Stone 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.

“Relayed through the COOP observer. Golf Ball hail near the airport. Time estimated. (ABR)”

SPC verified report · 1 ENE Ortonville

“AWOS station KVVV Ortonville Muni AP. (ABR)”

SPC verified report · 1 ESE Ortonville

Thursday, May 14, 2026

4 NWS warnings — wind gusts up to 50 mph

“AFFECTED AREA...In Minnesota, Traverse and Big Stone. In South Dakota, Corson, Campbell, McPherson, Brown, Marshall, Roberts, Walworth, Edmunds, Day, Dewey, Potter, Faulk and Grant. WINDS...West 20 to 30 mph with gusts up to 50 mph. RELATIVE HUMIDITY...As low as 17 percent. IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.”

NWS severe weather mention · Big Stone County

“Strong wind gusts up to 50 mph are expected to persist through the afternoon hours today. Localized stronger wind gusts of more than 50 mph will be possible as the result of sprinkles or brief showers moving through this morning into the afternoon. This will lead to patchy to areas of blowing dust and reduced visibilities between 1 to 3 miles.”

NWS severe weather mention · Big Stone County

Wednesday, May 13, 2026

4 NWS warnings — wind gusts up to 50 mph

“AFFECTED AREA...In Minnesota, Traverse and Big Stone. In South Dakota, Brown, Marshall, Roberts, Day, Spink, Clark, Codington, Grant, Hamlin and Deuel. WINDS...West 25 to 35 mph with gusts up to 50 mph. RELATIVE HUMIDITY...As low as 18 percent. IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.”

NWS severe weather mention · Big Stone County

“AFFECTED AREA...In Minnesota, Traverse and Big Stone. In South Dakota, Brown, Marshall, Roberts, Day, Spink, Clark, Codington, Grant, Hamlin and Deuel. WINDS...West 25 to 35 mph with gusts up to 50 mph. RELATIVE HUMIDITY...As low as 18 percent. IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.”

NWS severe weather mention · Big Stone 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 · Big Stone County

Friday, March 13, 2026

2 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 · Big Stone 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 · Big Stone County

Thursday, March 12, 2026

3 NWS warnings — wind gusts up to 65 mph

“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 · Big Stone 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...From 7 PM this evening to 7 AM CDT Friday. IMPACTS...High winds may move loose debris, damage property and cause power outages.”

NWS severe weather mention · Big Stone County

Wednesday, March 11, 2026

1 NWS warning — wind gusts up to 60 mph

“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 · Big Stone County

Wednesday, February 18, 2026

3 NWS warnings — wind gusts up to 55 mph

“WHAT...West winds 30 to 40 mph with gusts up to 55 mph. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Day and Marshall Counties. WHEN...Until noon CST today. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”

NWS severe weather mention · Big Stone County

“WHAT...West winds 30 to 40 mph with gusts up to 55 mph. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Day and Marshall Counties. WHEN...Until noon CST today. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”

NWS severe weather mention · Big Stone 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 Big Stone County, MN?

The most recent recorded event was on Aug 7, 2026. Official NWS and SPC records show 40 severe weather events in Big Stone 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 Big Stone County recently?

Yes — 12 hail reports in the last 12 months, with hail up to 1.75" 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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