Washington County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 11, 2026
Washington County, Wisconsin has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 1 tornado report among 66 severe weather events here in the last 12 months, alongside 24 hail reports with hail up to 1.25" and 41 high-wind reports with gusts up to 60 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.
What the radar showed
Last 30 days in Washington County
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
1 NWS warning — wind gusts up to 50 mph
“At 1056 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Slinger to near Palmyra. 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...”
- Wind 50 mph Washington County NWS severe weather mention
Monday, July 27, 2026
2 NWS warnings — hail up to 0.75"
“At 1006 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Waupun to near Lac La Belle. Movement was east at 35 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 hail damage to vegetation is possible. Locations impacted include...”
“At 954 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 6 miles north of Watertown to near Jefferson. Movement was east 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 hail damage to vegetation is possible. Locations impacted include...”
- Hail 0.75" Washington County NWS severe weather mention
- Hail 0.75" Washington County NWS severe weather mention
Wednesday, July 8, 2026
4 NWS warnings — wind gusts up to 50 mph
“At 952 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Southern Lake Winnebago to 8 miles southwest of St Anna to near Campbellsport to Kewaskum to near Slinger to near Hartford. Movement was east 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...”
“At 914 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 6 miles northwest of Mayville to near Beaver Dam to near Fall River to Poynette to near Lodi. Movement was east 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...”
- Wind 50 mph Washington County NWS severe weather mention
- Wind 50 mph Washington County NWS severe weather mention
- Wind 50 mph Washington County NWS severe weather mention
- Wind 50 mph Washington County NWS severe weather mention
Thursday, July 2, 2026
1 SPC verified storm report · 1 NWS warning — wind gusts up to 50 mph
“At 632 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Hartford to near Johnson Creek to near Jefferson to near Edgerton to near Brodhead. Movement was east 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...”
“Photographs of downed tree limbs from trained weather spotter. Time confirmed via radar data. (MKX)”
- Wind 50 mph Washington County NWS severe weather mention
- Wind Unknown 3 S Jackson SPC verified report
Wednesday, July 1, 2026
1 SPC verified storm report — hail up to 1"
“Trained spotter reports 1 inch diameter hail in Jackson. (MKX)”
- Hail 1" 3 ESE Jackson SPC verified report
Sunday, June 28, 2026
1 NWS warning — wind gusts up to 50 mph
“Winds of 40 to 50 mph will be possible this afternoon as rain comes to an end across southern Wisconsin. This appears to be a wake low situation where winds can be gusty for up to an hour after the rain comes to an end. Platteville and other weather stations in southwest Wisconsin have gusted to 47 mph already.”
- Wind 50 mph Washington County NWS severe weather mention
Friday, June 19, 2026
1 NWS warning — wind gusts up to 50 mph
“At 609 PM CDT, Doppler radar was tracking a line of showers extending from over Hugo to 6 miles northeast of Brownton, or extending from 19 miles north of St. Paul to 8 miles southeast of Hutchinson, moving southeast at 30 mph. Hazard: Wind gusts up to 50 mph. north-northwest to south-southeast that will produce a line of gusty winds.”
- Wind 50 mph Washington County NWS severe weather mention
Tuesday, June 16, 2026
2 NWS warnings — hail up to 0.75"
“At 212 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near West Bend to near Jackson. Movement was east at 25 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 hail damage to vegetation is possible. Locations impacted include...”
“At 110 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Hustisford to near West Bend. Movement was northeast at 15 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 hail damage to vegetation is possible. Locations impacted include...”
- Hail 0.75" Washington County NWS severe weather mention
- Hail 0.75" Washington County NWS severe weather mention
Thursday, June 11, 2026
3 NWS warnings — hail up to 0.25", wind gusts up to 50 mph
“At 549 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Lisbon to Mukwonago. 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...”
“At 1137 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Stoughton to near Candlewick Lake. Movement was northeast at 55 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 50 mph Washington County NWS severe weather mention
- Wind 50 mph Washington County NWS severe weather mention
- Hail 0.25" Washington County NWS severe weather mention
Wednesday, June 10, 2026
1 SPC verified storm report · 4 NWS warnings — hail up to 0.75"
“At 623 PM CDT, Doppler radar was tracking a strong thunderstorm over Scandia, moving northeast 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...”
“At 611 PM CDT, Doppler radar was tracking a strong thunderstorm over Stillwater, moving northeast at 25 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...”
- Hail 0.75" Washington County NWS severe weather mention
- Hail 0.75" Washington County NWS severe weather mention
- Hail 0.5" Washington County NWS severe weather mention
- Hail 0.25" Washington County NWS severe weather mention
- Wind Unknown 1 ESE Hartford SPC verified report
Friday, June 5, 2026
1 NWS warning — wind gusts up to 50 mph
“At 935 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Two Creeks to Howards Grove to Waupun. Movement was southeast at 55 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 50 mph Washington County NWS severe weather mention
Monday, May 18, 2026
2 NWS warnings — hail up to 0.5"
“At 650 AM CDT, Doppler radar was tracking a strong thunderstorm over northwestern Milwaukee, moving northeast at 45 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. Locations impacted include...”
“At 607 AM CDT, Doppler radar was tracking a strong thunderstorm over Theresa, or near Mayville, moving northeast at 55 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. Locations impacted include...”
- Hail 0.5" Washington County NWS severe weather mention
- Hail 0.5" Washington County NWS severe weather mention
Sunday, May 17, 2026
1 NWS warning — hail up to 0.25"
“At 107 PM CDT, Doppler radar was tracking a strong thunderstorm near Theresa, or near Mayville, moving east at 45 mph. Hazard: Wind gusts up to 50 mph and pea size hail. mph at 12:55 PM. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”
- Hail 0.25" Washington County NWS severe weather mention
Saturday, May 16, 2026
1 NWS warning — hail up to 0.88"
“At 109 AM CDT, Doppler radar was tracking a strong thunderstorm near Lomira, or 9 miles south of Fond Du Lac, 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. Locations impacted include...”
- Hail 0.88" Washington County NWS severe weather mention
Tuesday, May 12, 2026
1 NWS warning — wind gusts up to 50 mph
“At 716 PM CDT, Doppler radar was tracking a cluster of strong thunderstorms over Fredonia, or near Saukville, moving 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...”
- Wind 50 mph Washington County NWS severe weather mention
Monday, April 27, 2026
2 NWS warnings — wind gusts up to 50 mph
“Lingering wind gusts up to 50 MPH may continue over the next hour due to a wake low pressure behind departing showers / weak thunderstorms.”
“At 1241 PM CDT, surface weather stations reported gusty winds behind rain showers / weak thunderstorms. Movement of the line of showers was east at 55 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 50 mph Washington County NWS severe weather mention
- Wind 50 mph Washington County NWS severe weather mention
Tuesday, April 21, 2026
1 NWS warning — hail up to 0.75"
“At 1118 AM CDT, Doppler radar was tracking a strong thunderstorm over Lisbon, or over Sussex, moving east at 50 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 hail damage to vegetation is possible. Locations impacted include...”
- Hail 0.75" Washington County NWS severe weather mention
Friday, April 17, 2026
2 NWS warnings — hail up to 0.88"
“At 219 PM CDT, Doppler radar was tracking a strong thunderstorm 5 miles north of Stillwater, or 17 miles northeast of St. Paul, moving northeast at 45 mph. Hazard: Nickel size hail. Impact: Minor damage to outdoor objects is possible. Locations impacted include...”
“At 633 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Howards Grove to near Random Lake to near Hartford. Movement was northeast at 45 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...”
- Hail 0.88" Washington County NWS severe weather mention
- Hail 0.25" Washington County NWS severe weather mention
Tuesday, April 14, 2026
4 SPC verified storm reports · 2 NWS warnings — hail up to 1.25", wind gusts up to 50 mph
“At 158 AM CDT, Doppler radar was tracking strong wind gusts persisting across the area. While the line of storms has exited to the east, these wind gusts will continue for the next 30 minutes. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
“At 126 AM CDT, Doppler radar was tracking strong wind gusts persisting across the area. While the line of storms has exited to the east, these wind gusts will continue for the next 30 minutes. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Hail 1.25" 3 SSE Germantown SPC verified report
- Wind 50 mph Washington County NWS severe weather mention
- Wind 50 mph Washington County NWS severe weather mention
- Hail 1" Germantown SPC verified report
- Hail 1" 3 SW Richfield SPC verified report
- Wind Unknown 3 SE Hubertus SPC verified report
Tuesday, March 31, 2026
1 NWS warning — hail up to 0.5"
“At 119 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 6 miles north of Lac La Belle to near Lake Koshkonong to near Edgerton. Movement was east at 35 mph. Hazard: Half inch hail. Impact: Minor hail damage to vegetation is possible. Locations impacted include...”
- Hail 0.5" Washington County NWS severe weather mention
Friday, March 13, 2026
1 NWS warning — wind gusts up to 60 mph
“WHAT...West winds 25 to 35 mph with gusts up to 60 mph. WHERE...Portions of east central, south central, and southeast Wisconsin. WHEN...Until 4 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.”
- Wind 60 mph Washington County NWS severe weather mention
Thursday, March 12, 2026
4 NWS warnings — wind gusts up to 60 mph
“WHAT...Initially, south winds 20 to 30 mph with gusts up to 60 mph expected, particularly within precipitation. Then, west winds 20 to 30 mph with gusts up to 60 mph expected. WHERE...Portions of east central, south central, and southeast Wisconsin. WHEN...Until 4 PM CDT Friday. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected.”
“WHAT...Initially, south winds 20 to 30 mph with gusts up to 60 mph expected, particularly within precipitation. Then, west winds 20 to 30 mph with gusts up to 60 mph expected. WHERE...Portions of east central, south central, and southeast Wisconsin. WHEN...10 PM Tonight Until 4 PM CDT Friday. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected.”
- Wind 60 mph Washington County NWS severe weather mention
- Wind 60 mph Washington County NWS severe weather mention
- Wind 60 mph Washington County NWS severe weather mention
- Wind 50 mph Washington County NWS severe weather mention
Wednesday, March 11, 2026
1 NWS warning — wind gusts up to 50 mph
“WHAT...Overnight southerly winds 25 to 30 mph gusting up to 50 mph. Then, during the day Friday, west winds 25 to 35 mph with gusts up to 50 mph expected. WHERE...Portions of east central, south central, and southeast Wisconsin. WHEN...From midnight Thursday Night to 6 PM CDT Friday. IMPACTS...Gusty winds will blow around unsecured objects.”
- Wind 50 mph Washington County NWS severe weather mention
Monday, December 29, 2025
1 NWS warning — wind gusts up to 55 mph
“WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph. A few gusts to 55 mph possible near Lake Michigan. WHERE...Portions of east central and southeast Wisconsin. 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.”
- Wind 55 mph Washington County NWS severe weather mention
Sunday, December 28, 2025
7 NWS warnings — wind gusts up to 55 mph
“WHAT...Northwest winds 20 to 30 MPH with gusts up to 50 MPH. A few gusts to 55 MPH possible near Lake Michigan. WHERE...Portions of east central and southeast Wisconsin. WHEN...Until 6 PM CST Monday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“...BLIZZARD CONDITIONS CONTINUE ACROSS SOUTHERN AND WESTERN MINNESOTA... ...TRAVEL IS NOT ADVISED... .Steady snow will continue through the evening and taper off overnight. Total accumulations of 6 to 10 inches are forecast across eastern Minnesota and western Wisconsin, with amounts tapering off to 4 or 5 inches across far western Minnesota.”
- Wind 55 mph Washington County NWS severe weather mention
- Wind 55 mph Washington County NWS severe weather mention
- Wind 55 mph Washington County NWS severe weather mention
- Wind 55 mph Washington County NWS severe weather mention
- Wind 55 mph Washington County NWS severe weather mention
- Wind 55 mph Washington County NWS severe weather mention
- Wind 50 mph Washington County NWS severe weather mention
Saturday, December 27, 2025
3 NWS warnings — wind gusts up to 55 mph
“WHAT...Snow expected. Total snow accumulations between 2 and 5 inches. Winds gusting as high as 50 to 55 MPH, highest near Lake Michigan. WHERE...Portions of east central, south central, and southeast Wisconsin. WHEN...From 6 PM Sunday to noon CST Monday. IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility.”
“...ACCUMULATING SNOW AND STRONG WINDS EXPECTED TO BRING BLIZZARD CONDITIONS TO PORTIONS OF WESTERN, CENTRAL, AND SOUTHERN MINNESOTA LATE SUNDAY MORNING AND SUNDAY NIGHT... .A developing winter storm over the Northern Plains this evening will become much stronger as it moves across the Upper Midwest Sunday and Sunday night.”
- Wind 55 mph Washington County NWS severe weather mention
- Wind 55 mph Washington County NWS severe weather mention
- Wind 55 mph Washington County NWS severe weather mention
Sunday, September 21, 2025
1 NWS warning — hail up to 0.5"
“At 736 PM CDT, Doppler radar was tracking an area of strong thunderstorms over Cottage Grove, or 14 miles southeast of St. Paul, moving northeast at 25 mph. Hazard: Half inch size hail. Impact: Minor damage to outdoor objects is possible. Locations impacted include... River Falls, Woodbury, Cottage Grove, Inver Grove Heights, Hastings, Hudson, Lake Elmo, St.”
- Hail 0.5" Washington County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Washington County, WI?
The most recent recorded event was in September 2026. Official NWS and SPC records show 66 severe weather events in Washington 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 Washington County recently?
Yes — 24 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.