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

Vernon County Hail Map & Storm Reports

Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 15, 2026

Vernon County, Wisconsin has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 1 tornado report among 57 severe weather events here in the last 12 months, alongside 19 hail reports with hail up to 2.75" and 37 high-wind reports with gusts up to 70 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 Vernon County, Wisconsin showing the county boundary and surrounding cities
Vernon County, Wisconsin. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

Vernon County hail map

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

57
Events (12 mo)
19
Hail
37
Wind
1
Tornado
2.75"
Max hail
70
Max wind (mph)
September 2026
Most recent

What the radar showed

Radar snapshot during the Apr 14, 2026 tornado event near 2 NNE Hillsboro, Vernon County, Wisconsin, with NWS warning polygons
NEXRAD radar at the moment of the Apr 14, 2026 tornado event (Tornado) near 2 NNE Hillsboro. 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 Vernon County

Current NEXRAD radar over Vernon County, Wisconsin with recent storm report locations
Current radar over the Vernon 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 · 2 NWS warnings — hail to 0.75" Exact dates & locations in app →
August 2026 2 storm days · 1 SPC verified report · 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 839 AM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 7 miles south of Adams to 9 miles south of Mauston to 6 miles east of La Farge, or extending from 8 miles south of Friendship to 9 miles south of Mauston to 19 miles east of Viroqua, moving east at 45 mph. Hazard: Wind gusts up to 50 mph and half inch size hail.”

NWS severe weather mention · Vernon 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 · Vernon County

Friday, August 7, 2026

1 NWS warning — wind gusts up to 50 mph

NEXRAD radar during the Friday, August 7, 2026 storm activity in Vernon 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 421 PM CDT, Doppler radar was tracking decaying thunderstorms generating strong wind gusts along a line extending from near Black River Falls to 6 miles south of Bangor to 8 miles north of Waukon. Movement was east at 50 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 · Vernon County

Monday, July 20, 2026

1 NWS warning — wind gusts up to 50 mph

NEXRAD radar during the Monday, July 20, 2026 storm activity in Vernon 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 301 PM CDT, Doppler radar was tracking a strong thunderstorm over Westby, or 8 miles north of Viroqua, 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... Westby around 305 PM CDT. La Farge around 315 PM CDT.”

NWS severe weather mention · Vernon County

Saturday, July 18, 2026

1 NWS warning — wind gusts up to 50 mph

NEXRAD radar during the Saturday, July 18, 2026 storm activity in Vernon 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 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 · Vernon County

Tuesday, June 30, 2026

2 SPC verified storm reports

“Tree fell onto a house. Roof started to leaking letting water into the house. (ARX)”

SPC verified report · 5 NNW Readstown

“Power line down in Ontario. Time estimated from radar. (ARX)”

SPC verified report · Ontario

Wednesday, June 24, 2026

1 SPC verified storm report

“Tree down at Lake Rd and Sidie Hollow Rd. (ARX)”

SPC verified report · 4 W Viroqua

Friday, June 19, 2026

2 NWS warnings — hail up to 0.25", wind gusts up to 50 mph

NEXRAD radar during the Friday, June 19, 2026 storm activity in Vernon 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 921 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near West Salem to near La Crosse to near Brownsville. Movement was southeast at 45 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... Coon Valley around 930 PM CDT. Cashton around 940 PM CDT.”

NWS severe weather mention · Vernon County

“At 939 PM CDT, Doppler radar was tracking a strong thunderstorm over Westby, or 8 miles north of Viroqua, moving southeast at 50 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. This strong thunderstorm will be near... Westby around 945 PM CDT.”

NWS severe weather mention · Vernon County

Thursday, June 11, 2026

1 NWS warning — wind gusts up to 50 mph

NEXRAD radar during the Thursday, June 11, 2026 storm activity in Vernon 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 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 · Vernon County

Friday, June 5, 2026

1 NWS warning — hail up to 0.88"

“At 958 PM CDT, Doppler radar was tracking a strong thunderstorm over Brownsville, or 7 miles south of La Crosse, moving southeast at 30 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... Stoddard around 1005 PM CDT.”

NWS severe weather mention · Vernon 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 · Vernon 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 · Vernon County

Monday, April 27, 2026

2 NWS warnings — wind gusts up to 55 mph

NEXRAD radar during the Monday, April 27, 2026 storm activity in Vernon 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 1145 AM CDT, automated weather observations reported strong winds behind a line of showers from 6 miles northwest of Cashton to 6 miles west of Richland Center. Movement was northeast 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 · Vernon County

“At 1119 AM CDT, Doppler radar was tracking strong winds behind a line of showers extending from near La Crosse to near Boscobel. Movement was northeast at 30 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 · Vernon County

Thursday, April 23, 2026

4 NWS warnings — hail up to 0.5"

NEXRAD radar during the Thursday, April 23, 2026 storm activity in Vernon 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 728 PM CDT, Doppler radar was tracking a strong thunderstorm near Westby, or 9 miles north of Viroqua, moving northeast at 40 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... Cashton around 735 PM CDT.”

NWS severe weather mention · Vernon County

“At 625 PM CDT, Doppler radar was tracking a strong thunderstorm near Viroqua, moving northeast at 40 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... Westby around 630 PM CDT.”

NWS severe weather mention · Vernon County

Tuesday, April 14, 2026

7 SPC verified storm reports — hail up to 2.75", 1 tornado report

NEXRAD radar during the Tuesday, April 14, 2026 storm activity in Vernon 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.

“The tornado begin in rural areas west-northwest of Union Center continuing northeast for almost 9 miles. The worst damage... rated lower EF3 with winds to 140 mph... wa (ARX)”

SPC verified report · 2 NNE Hillsboro

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 · Vernon 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 · Vernon 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 · Vernon 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 · Vernon County

Saturday, March 14, 2026

1 NWS warning — 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 · Vernon County

Friday, March 13, 2026

4 NWS warnings — wind gusts up to 70 mph

“WHAT...Northwest winds 35 to 45 mph with gusts up to 60 to 70 mph. These winds are already occurring! WHERE...Crawford, Grant, Richland, and Vernon Counties. WHEN...Until 1 PM CDT this afternoon. 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 · Vernon County

“WHAT...West winds 25 to 35 mph with gusts up to 60 mph. WHERE...Crawford, Grant, Richland, and Vernon Counties. WHEN...Until 1 PM CDT this afternoon. IMPACTS...Damaging winds will blow down trees and power lines. Some power outages are possible. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Vernon County

Thursday, March 12, 2026

5 NWS warnings — wind gusts up to 60 mph

“WHAT...West winds 20 to 30 mph with gusts up to 60 mph expected. WHERE...Crawford, Grant, Richland, and Vernon Counties. WHEN...From midnight tonight to 1 PM CDT Friday. IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Vernon County

“WHAT...West to northwest winds 30 to 40 mph with gusts up to 60 mph expected. WHERE...Crawford, Grant, Richland, and Vernon Counties. The strongest wind gusts are expected at higher elevations and exposed locales. WHEN...From midnight tonight to 1 PM CDT Friday. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected.”

NWS severe weather mention · Vernon 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 · Vernon County

Saturday, March 7, 2026

1 NWS warning — wind gusts up to 50 mph

“At 111 AM CST, Doppler radar was tracking strong thunderstorms along a line extending from 8 miles northwest of New Lisbon to 6 miles northeast of La Farge. 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. Strong thunderstorms will be near... New Lisbon around 115 AM CST.”

NWS severe weather mention · Vernon 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 · Vernon County

Thursday, December 18, 2025

1 NWS warning — 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 · Vernon 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 · Vernon 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 · Vernon 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 · Vernon County

Monday, September 22, 2025

2 SPC verified storm reports — hail up to 1"

“Several trees and power lines down at the intersection of CTH WW and Oak Lane. (ARX)”

SPC verified report · 4 WSW Elroy

Friday, September 19, 2025

1 NWS warning — hail up to 0.5"

“At 744 PM CDT, Doppler radar was tracking a strong thunderstorm over Lansing, moving north 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... New Albin around 750 PM CDT.”

NWS severe weather mention · Vernon 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 Vernon County, WI?

The most recent recorded event was in September 2026. Official NWS and SPC records show 57 severe weather events in Vernon 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 Vernon County recently?

Yes — 19 hail reports in the last 12 months, with hail up to 2.75" 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 Vernon 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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