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Storm ActivityWisconsin Storm ActivityTrempealeau County, WI
Wisconsin · Official NOAA Storm Data

Trempealeau County Storm Activity

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

Trempealeau County, Wisconsin has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 4 tornado reports among 62 severe weather events here in the last 12 months, alongside 25 hail reports with hail up to 1.75" and 33 high-wind reports with gusts up to 55 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 Trempealeau County, Wisconsin showing the county boundary and surrounding cities
Trempealeau County, Wisconsin. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

62
Events (12 mo)
25
Hail
33
Wind
4
Tornado
1.75"
Max hail
55
Max wind (mph)
September 2026
Most recent

What the radar showed

Radar snapshot during the Jun 19, 2026 tornado event near 1 W Osseo, Trempealeau County, Wisconsin, with NWS warning polygons
NEXRAD radar at the moment of the Jun 19, 2026 tornado event (Tornado) near 1 W Osseo. 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 Trempealeau County

Current NEXRAD radar over Trempealeau County, Wisconsin with recent storm report locations
Current radar over the Trempealeau 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 NWS warning — hail to 0.75" Exact dates & locations in app →
August 2026 1 storm day · 1 NWS warning — hail to 0.5" 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.

Sunday, August 9, 2026

2 NWS warnings — hail up to 0.5"

“At 642 AM CDT, Doppler radar was tracking a cluster of strong thunderstorms near Whitehall, moving east at 30 mph. Hazard: Wind gusts up to 40 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. This strong thunderstorm will be near... Alma Center around 710 AM CDT.”

NWS severe weather mention · Trempealeau County

“At 716 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Black River Falls to North Bend. Movement was southeast at 45 mph. Hazard: Wind gusts up to 40 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. Strong thunderstorms will be near...”

NWS severe weather mention · Trempealeau County

Friday, August 7, 2026

1 NWS warning — wind gusts up to 50 mph

“At 315 PM CDT, Doppler radar was tracking decaying thunderstorms generating strong wind gusts along a line extending from near Blair to near St. Charles to 8 miles southwest of Preston. Movement was east at 45 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 · Trempealeau County

Monday, July 20, 2026

1 NWS warning — wind gusts up to 50 mph

“At 448 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Plum City to near Mantorville to near Clarks Grove. Movement was southeast at 40 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Strong thunderstorms will be near...”

NWS severe weather mention · Trempealeau County

Saturday, July 18, 2026

1 NWS warning — wind gusts up to 50 mph

“At 138 AM CDT, Doppler radar was tracking a strong thunderstorm over Galesville, or 13 miles southeast of Arcadia, moving southeast at 45 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. This strong thunderstorm will be near... Holmen and Brice Prairie around 145 AM CDT. La Crosse and Onalaska around 150 AM CDT.”

NWS severe weather mention · Trempealeau County

Tuesday, June 30, 2026

1 SPC verified storm report · 1 NWS warning — hail up to 1.75"

NEXRAD radar during the Tuesday, June 30, 2026 storm activity in Trempealeau County, Wisconsin
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 718 AM CDT, Doppler radar was tracking a strong thunderstorm over Arcadia, moving northeast at 35 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. This strong thunderstorm will be near... Independence around 725 AM CDT. Whitehall around 730 AM CDT.”

NWS severe weather mention · Trempealeau County

Friday, June 19, 2026

4 SPC verified storm reports · 1 NWS warning — hail up to 1.75", 1 tornado report

NEXRAD radar during the Friday, June 19, 2026 storm activity in Trempealeau County, Wisconsin
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Rating: EF0 ... This brief... weak... and narrow tornado began as a highly visible funnel cloud just west of Osseo. It touched down at a baseball field off US Highway 1 (ARX)”

SPC verified report · 1 W Osseo

“Image of hailstones next to a golf ball for reference. Time estimated from radar. (ARX)”

SPC verified report · Osseo

Thursday, June 11, 2026

1 NWS warning — wind gusts up to 50 mph

“At 1153 AM CDT, trained weather spotters reported gusty showers along a line extending from near Millston to 9 miles northeast of La Farge to near Spring Green. Movement was northeast at 60 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 · Trempealeau County

Wednesday, June 10, 2026

2 SPC verified storm reports · 5 NWS warnings — hail up to 0.88"

NEXRAD radar during the Wednesday, June 10, 2026 storm activity in Trempealeau County, Wisconsin
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 913 PM CDT, Doppler radar was tracking a strong thunderstorm near Blair, or near Whitehall, moving northeast at 40 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 hail damage to vegetation is possible. This strong thunderstorm will be near... Alma Center around 930 PM CDT.”

NWS severe weather mention · Trempealeau County

“At 614 AM CDT, Doppler radar was tracking a strong thunderstorm near Blair, or 11 miles southeast of Whitehall, moving northeast at 45 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 hail damage to vegetation is possible. This strong thunderstorm will be near...”

NWS severe weather mention · Trempealeau County

Friday, June 5, 2026

2 NWS warnings — hail up to 0.75", wind gusts up to 50 mph

NEXRAD radar during the Friday, June 5, 2026 storm activity in Trempealeau County, Wisconsin
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 CDT, Doppler radar was tracking a strong thunderstorm 8 miles west of Alma Center, or 11 miles east of Whitehall, moving southeast at 30 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. This strong thunderstorm will be near... Black River Falls around 700 PM CDT.”

NWS severe weather mention · Trempealeau County

“At 559 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 10 miles west of Greenwood to near Fairchild to near Osseo. Movement was southeast at 30 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.”

NWS severe weather mention · Trempealeau 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 · Trempealeau County

Monday, May 18, 2026

1 NWS warning — hail up to 0.5"

“At 925 PM CDT, Doppler radar was tracking a strong thunderstorm near Mondovi, moving northeast at 35 mph. Hazard: Wind gusts up to 40 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. This strong thunderstorm will be near... Strum around 935 PM CDT.”

NWS severe weather mention · Trempealeau County

Friday, May 15, 2026

1 NWS warning — hail up to 0.88"

“At 652 PM CDT, Doppler radar was tracking a strong thunderstorm near Galesville, or 8 miles south of Arcadia, moving northeast at 40 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 hail damage to vegetation is possible.”

NWS severe weather mention · Trempealeau County

Thursday, April 23, 2026

3 NWS warnings — hail up to 0.5", wind gusts up to 55 mph

NEXRAD radar during the Thursday, April 23, 2026 storm activity in Trempealeau County, Wisconsin
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 906 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 10 miles west of Arcadia to near Winona to 8 miles north of Houston. Movement was northeast at 35 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Strong thunderstorms will be near... Arcadia and Trempealeau around 910 PM CDT.”

NWS severe weather mention · Trempealeau County

“At 841 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Wabasha to near Rollingstone to 7 miles northwest of Rushford. Movement was northeast at 40 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Strong thunderstorms will be near...”

NWS severe weather mention · Trempealeau County

Friday, April 17, 2026

3 SPC verified storm reports — 3 tornado reports

NEXRAD radar during the Friday, April 17, 2026 storm activity in Trempealeau County, Wisconsin
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Numerous houses and trees damaged along County Rd K and Old 17. (ARX)”

SPC verified report · 1 W Osseo

“This EF1-rated tornado touched down near Interstate 94 where County Road B nearly intersects about 3 miles southeast of Osseo WI. The tornado affected rural areas causi (ARX)”

SPC verified report · 3 SE Osseo

Monday, April 13, 2026

2 SPC verified storm reports — hail up to 1.75"

NEXRAD radar during the Monday, April 13, 2026 storm activity in Trempealeau County, Wisconsin
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

Sunday, April 12, 2026

1 SPC verified storm report — hail up to 1"

“Report from mPING: Quarter (1.00 in.). (ARX)”

SPC verified report · 3 S Blair

Tuesday, March 31, 2026

1 NWS warning — hail up to 0.88"

“At 645 AM CDT, doppler radar indicated an area of storms approximately along and north of I-90 from southeast Minnesota into west-central Wisconsin. Up to nickel sized hail has been reported with these storms as well as frequent lightning. The storms are moving east at 55 mph. Hazard: Nickel size hail. Impact: Minor hail damage to vegetation is possible. A few locations impacted include...”

NWS severe weather mention · Trempealeau County

Monday, March 16, 2026

3 NWS warnings — wind gusts up to 50 mph

“...WINTER STORM MOVING EAST. IMPACTS ONGOING ACROSS THE REGION... .Moderate to heavy snow continues across southwest Wisconsin with significant blowing and drifting due to strong gusts to 40 to 50 mph. Widespread heavy impacts are ongoing so the Blizzard Warning will continue in southwest Wisconsin until 1 PM.”

NWS severe weather mention · Trempealeau County

“...BLIZZARD CONDITIONS INTO AT LEAST EARLY MORNING, BLOWING AND DRIFTING INTO AT LEAST MID-MORNING... .Moderate to heavy snow continues across southwest Wisconsin with significant blowing and drifting due to strong gusts to 40 to 50 mph. Widespread heavy impacts are ongoing so the Blizzard Warning will continue in these areas until midday.”

NWS severe weather mention · Trempealeau County

Sunday, March 15, 2026

3 NWS warnings — wind gusts up to 55 mph

“...BLIZZARD CONDITIONS WITH ADDITIONAL SNOW MOVING IN THIS AFTERNOON... .The first round of this winter storm is will continue to exit east into eastern WI which will leave a brief lull across the area for the early afternoon. During this period, winds will begin to increase with wind gusts of 40 to 55 mph by the early evening.”

NWS severe weather mention · Trempealeau County

“...BLIZZARD CONDITIONS WITH ADDITIONAL SNOW MOVING IN THIS AFTERNOON... .The first round of this winter storm is beginning to exit the area late this morning which will leave a brief lull across the area for the late morning and early afternoon. During this period, winds will begin to increase with wind gusts of 40 to 55 mph by the early evening.”

NWS severe weather mention · Trempealeau County

Saturday, March 14, 2026

2 NWS warnings — wind gusts up to 50 mph

“...DANGEROUS WINTER STORM MOVES IN THIS EVENING... .A dangerous and potentially historic winter storm will move into the region this evening and continue through early Monday morning. Snow will move into the region this evening north of Interstate 90 with snowfall rates increasing throughout the overnight.”

NWS severe weather mention · Trempealeau County

“...DANGEROUS WINTER STORM MOVES IN THIS EVENING... .A dangerous and potentially historic winter storm will move into the region this evening and continue through early Monday morning. Snow will move into the region this evening north of Interstate 90 with snowfall rates increasing throughout the overnight.”

NWS severe weather mention · Trempealeau County

Friday, March 13, 2026

4 NWS warnings — wind gusts up to 55 mph

“WHAT...Northwest winds 25 to 30 mph with gusts of 45 to 55 mph. WHERE...Portions of central, north central, southwest, and west central Wisconsin. WHEN...Until 1 PM CDT this afternoon. 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 · Trempealeau County

“WHAT...Northwest winds 25 to 30 mph with gusts up to 45 to 55 mph. WHERE...Adams, Clark, Juneau, Taylor, Buffalo, Jackson, La Crosse, Monroe, and Trempealeau Counties. WHEN...Until 1 PM CDT this afternoon. 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 · Trempealeau County

Thursday, March 12, 2026

5 NWS warnings — wind gusts up to 55 mph

“WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected. WHERE...Adams, Clark, Juneau, Taylor, Buffalo, Jackson, La Crosse, Monroe, and Trempealeau Counties. WHEN...From midnight tonight to 1 PM CDT Friday. 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 · Trempealeau County

“WHAT...West to northwest winds 20 to 30 mph with gusts up to 55 mph expected. WHERE...Adams, Clark, Juneau, Taylor, Buffalo, Jackson, La Crosse, Monroe, and Trempealeau Counties. WHEN...From midnight tonight to 1 PM CDT Friday. 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 · Trempealeau County

Wednesday, March 11, 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...Portions of central, north central, southwest, and west central Wisconsin. WHEN...From midnight Thursday Night to 1 PM CDT Friday. 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 · Trempealeau County

Tuesday, March 10, 2026

2 NWS warnings — hail up to 0.5"

NEXRAD radar during the Tuesday, March 10, 2026 storm activity in Trempealeau County, Wisconsin
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 725 PM CDT, doppler radar was tracking a strong thunderstorms in west-central and central Wisconsin, moving northeast at 45 mph. Hazard: Wind gusts up to 30 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage is possible.”

NWS severe weather mention · Trempealeau County

“At 654 PM CDT, Doppler radar was tracking a cluster of strong thunderstorms in west central and central Wisconsin moving northeast at 45 mph. Hazard: Half inch hail. Impact: Minor hail damage is possible. This includes Interstate 94 between mile markers 117 and 141.”

NWS severe weather mention · Trempealeau County

Friday, March 6, 2026

1 NWS warning — hail up to 0.75"

“At 838 PM CST, Doppler radar was tracking a strong thunderstorm near Buffalo City, or 7 miles southeast of Alma, moving northeast at 50 mph. Hazard: Penny size hail. Impact: Minor hail damage to vegetation is possible. This strong thunderstorm will be near... Independence around 900 PM CST.”

NWS severe weather mention · Trempealeau County

Monday, December 29, 2025

1 NWS warning — wind gusts up to 50 mph

“...HAZARDOUS WINTER STORM THIS MORNING... .Areas of heavy snow and widespread strong northwest winds persist hazardous travel conditions this morning. Blizzard conditions due to blowing snow and 40 to 50 mph winds primarily affect open and unsheltered locations of northeast Iowa and southeast Minnesota.”

NWS severe weather mention · Trempealeau County

Thursday, December 18, 2025

2 NWS warnings — wind gusts up to 50 mph

“...BURSTS OF HEAVY SNOW, GUSTY WINDS, REDUCED VISIBILITIES, AND FLASH FREEZE... .Numerous snow showers and gusty winds to 50 mph through this evening. Bursts of heavy snow combined with the gusty winds resulting in rapidly reduced visibilities and periods of whiteout conditions.”

NWS severe weather mention · Trempealeau County

“...BURSTS OF HEAVY SNOW, GUSTY WINDS, REDUCED VISIBILITIES, AND FLASH FREEZE... .A cold front moves through the region this afternoon bringing scattered to numerous snow showers and gusty winds up to 50 mph through this evening.”

NWS severe weather mention · Trempealeau County

Tuesday, November 25, 2025

1 NWS warning — wind gusts up to 55 mph

“...SNOW AND STRONG WINDS ON WEDNESDAY MORNING... .Rain will change over to snow overnight and into Wednesday morning across much of the local area with increasing wind gusts of 40 to 55 mph at times. In combination with these strong wind gusts, accumulating snow near and north of Interstate 90 will result in slippery road conditions and visibility reductions.”

NWS severe weather mention · Trempealeau 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 Trempealeau County, WI?

The most recent recorded event was in September 2026. Official NWS and SPC records show 62 severe weather events in Trempealeau 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 Trempealeau County recently?

Yes — 25 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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