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

Sauk County Hail Map & Storm Reports

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

Has it hailed in Sauk County, Wisconsin recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 19 hail reports with hail up to 1", among 48 severe weather events logged here in the last 12 months, together with 29 high-wind reports with gusts up to 63 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 Sauk County, Wisconsin showing the county boundary and surrounding cities
Sauk County, Wisconsin. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

Sauk County hail map

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

48
Events (12 mo)
19
Hail
29
Wind
0
Tornado
1"
Max hail
63
Max wind (mph)
September 2026
Most recent

What the radar showed

Radar snapshot during the Aug 9, 2026 wind event near 1 NW Lake Delton, Sauk County, Wisconsin, with NWS warning polygons
NEXRAD radar at the moment of the Aug 9, 2026 wind event (63 mph) near 1 NW Lake Delton. 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 Sauk County

Current NEXRAD radar over Sauk County, Wisconsin with recent storm report locations
Current radar over the Sauk 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 — wind to 50 mph Exact dates & locations in app →
August 2026 3 storm days · 1 SPC verified report · 3 NWS warnings — hail to 0.88" 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

1 SPC verified storm report · 2 NWS warnings — hail up to 0.5", wind gusts up to 63 mph

NEXRAD radar during the Sunday, August 9, 2026 storm activity in Sauk 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.

“63mph wind gust recorded via home weather station. (MKX)”

SPC verified report · 1 NW Lake Delton

“At 925 AM CDT, Doppler radar was tracking a cluster of strong thunderstorms near Middleton, moving east 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. Locations impacted include...”

NWS severe weather mention · Sauk County

Wednesday, July 8, 2026

1 NWS warning — wind gusts up to 50 mph

NEXRAD radar during the Wednesday, July 8, 2026 storm activity in Sauk 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 827 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Portage to near Baraboo to 7 miles southwest of West Baraboo to 7 miles north of Spring Green. Movement was east at 20 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 · Sauk County

Thursday, July 2, 2026

1 SPC verified storm report — wind gusts up to 62 mph

NEXRAD radar during the Thursday, July 2, 2026 storm activity in Sauk 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.

“Lone Rock Airport LNR. A second gust of 62 mph at 4:39PM. (MKX)”

SPC verified report · 7 WNW Spring Green

Wednesday, July 1, 2026

1 SPC verified storm report — hail up to 1"

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.”

NWS severe weather mention · Sauk County

Wednesday, June 24, 2026

1 NWS warning — hail up to 0.5"

“At 438 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Richland Center to near Muscoda to near Boscobel. Movement was east at 35 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...”

NWS severe weather mention · Sauk County

Thursday, June 11, 2026

1 NWS warning — wind gusts up to 60 mph

“WHAT...Easterly winds up to 60 mph expected as drying showers move eastward through the area. WHERE...Columbia, Green Lake, Marquette, and Sauk Counties. WHEN...Until 2 PM CDT this afternoon. IMPACTS...Damaging winds may blow down trees and power lines. Power outages are possible. Travel may become difficult, especially for high profile vehicles.”

NWS severe weather mention · Sauk County

Wednesday, June 10, 2026

1 SPC verified storm report — wind gusts up to 61 mph

NEXRAD radar during the Wednesday, June 10, 2026 storm activity in Sauk 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.

Monday, June 8, 2026

1 NWS warning — wind gusts up to 50 mph

NEXRAD radar during the Monday, June 8, 2026 storm activity in Sauk 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 427 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Richland Center to 13 miles east of Muscoda to near Spring Green to 8 miles southwest of Mazomanie. Movement was north at 30 mph. Hazard: Brief funnel clouds and 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 · Sauk County

Saturday, June 6, 2026

1 NWS warning — hail up to 0.75"

“At 1243 AM CDT, Doppler radar was tracking a strong thunderstorm 10 miles northeast of Richland Center, moving east at 30 mph. Hazard: Penny size hail. Impact: Minor hail damage to vegetation is possible. Locations impacted include... Prairie Du Sac, Sauk City, Lake Wisconsin, Plain, Bluffview, Merrimac, Loganville, Lime Ridge, and Hill Point.”

NWS severe weather mention · Sauk County

Wednesday, May 27, 2026

1 NWS warning — hail up to 0.75"

“At 807 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near West Baraboo to near Baraboo to near Lake Wisconsin to 6 miles west of Poynette. Movement was south 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.”

NWS severe weather mention · Sauk County

Tuesday, May 26, 2026

2 SPC verified storm reports

“Reports of a few trees and powerlines down near Sauk City. Time estimated from Radar. (MKX)”

SPC verified report · Sauk City

“Reports of trees and powerlines down. Time estimated from radar. (MKX)”

SPC verified report · Merrimac

Tuesday, May 19, 2026

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

NEXRAD radar during the Tuesday, May 19, 2026 storm activity in Sauk 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 150 AM CDT, Doppler radar was tracking gusty winds on the backside of the showers along a line extending from 8 miles northeast of Antigo to near Fort Mc Coy to near Blue Grass. 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. Locations impacted include...”

NWS severe weather mention · Sauk County

“At 1220 AM CDT, Doppler radar was tracking a strong thunderstorm near Lodi, or near Lake Wisconsin, moving northeast at 35 mph. Hazard: Wind gusts up to around 45 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...”

NWS severe weather mention · Sauk County

Sunday, May 17, 2026

1 NWS warning — hail up to 0.25"

“At 1041 AM CDT, Doppler radar was tracking a strong thunderstorm near Dodgeville, moving east at 30 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...”

NWS severe weather mention · Sauk County

Saturday, May 16, 2026

1 NWS warning — hail up to 0.25"

“At 1221 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 10 miles southwest of Reedsburg to 7 miles southwest of West Baraboo to near Prairie Du Sac to near Lodi. Movement was northeast at 60 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.”

NWS severe weather mention · Sauk County

Monday, April 27, 2026

1 NWS warning — wind gusts up to 50 mph

“At 1152 AM CDT, surface weather stations traked gusty winds behind rain showers / weak thunderstorms. Movement was east at 55 mph. Hazard: Wind gusts up to 50 mph on the back side of the showers and storms . Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Sauk County

Sunday, April 26, 2026

1 SPC verified storm report — hail up to 1"

Thursday, April 23, 2026

1 NWS warning — wind gusts up to 50 mph

“At 1108 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 9 miles south of Muscoda to Dodgeville to 7 miles northwest of Argyle to near Darlington. Movement was northeast 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 · Sauk County

Friday, April 17, 2026

1 NWS warning — hail up to 0.88"

“At 305 PM CDT, Doppler radar was tracking a strong thunderstorm near Baraboo, 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. Locations impacted include...”

NWS severe weather mention · Sauk County

Wednesday, April 15, 2026

1 NWS warning — hail up to 0.5"

“At 448 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 7 miles west of Richland Center to 7 miles west of Muscoda to near Boscobel. Movement was east at 40 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.”

NWS severe weather mention · Sauk County

Tuesday, April 14, 2026

3 NWS warnings — hail up to 0.88", wind gusts up to 50 mph

NEXRAD radar during the Tuesday, April 14, 2026 storm activity in Sauk 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 1202 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 6 miles north of Lake Wisconsin to 6 miles east of Spring Green. Movement 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...”

NWS severe weather mention · Sauk County

“At 912 PM CDT, Doppler radar was tracking a strong thunderstorm 7 miles east of Richland Center, moving east at 45 mph. Hazard: Nickel size hail. Impact: Minor hail damage to vegetation is possible. Locations impacted include... Plain, North Freedom, Rock Springs, Loganville, and Hill Point.”

NWS severe weather mention · Sauk County

Monday, April 13, 2026

1 SPC verified storm report · 4 NWS warnings — hail up to 0.88", wind gusts up to 50 mph

NEXRAD radar during the Monday, April 13, 2026 storm activity in Sauk 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 1131 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 7 miles south of Wonewoc to 10 miles north of Bloomington. Movement was east at 40 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 · Sauk County

“At 1105 PM CDT, Doppler radar was tracking a strong thunderstorm 10 miles southeast of La Farge, or 12 miles north of Richland Center, moving east 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 · Sauk County

Sunday, April 12, 2026

1 SPC verified storm report

Wednesday, April 8, 2026

1 NWS warning — wind gusts up to 50 mph

“At 411 PM CDT, Doppler radar was tracking gusty showers along a line extending from near Plainfield to 8 miles northeast of Spring Green to near Hazel Green. 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 · Sauk County

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.”

NWS severe weather mention · Sauk County

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.”

NWS severe weather mention · Sauk County

“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.”

NWS severe weather mention · Sauk County

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.”

NWS severe weather mention · Sauk County

Sunday, December 28, 2025

1 NWS warning — wind gusts up to 55 mph

“WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. A few gusts to 55 mph may occur along the Lake Michigan shoreline. WHERE...Portions of east central, south central, and southeast Wisconsin. WHEN...From 6 PM this evening to 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.”

NWS severe weather mention · Sauk County

Saturday, December 27, 2025

2 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.”

NWS severe weather mention · Sauk County

“WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected. A few gusts to 55 mph may occur along the Lake Michigan shoreline. WHERE...Portions of east central, south central, and southeast Wisconsin. WHEN...From 6 PM Sunday to 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.”

NWS severe weather mention · Sauk 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 Sauk County, WI?

The most recent recorded event was in September 2026. Official NWS and SPC records show 48 severe weather events in Sauk 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 Sauk County recently?

Yes — 19 hail reports in the last 12 months, with hail up to 1" 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 Sauk 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 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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