Winnebago County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 180 days · Updated Sep 11, 2026
Has it hailed in Winnebago County, Wisconsin recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 30 hail reports with hail up to 1", among 45 severe weather events logged here in the last 180 days, together with 15 high-wind reports with gusts up to 94 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 Winnebago 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.
Monday, July 27, 2026
1 NWS warning — hail up to 0.5"
“At 1247 AM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 7 miles west of Menasha to 6 miles east of Napowan Scout Camp, or extending from 9 miles west of Appleton to 14 miles south of Waupaca, moving southeast at 35 mph. Hazard: Wind gusts up to 30 mph and half inch size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects.”
- Hail 0.5" Winnebago County NWS severe weather mention
Wednesday, July 8, 2026
1 NWS warning — wind gusts up to 50 mph
“At 456 PM CDT, Doppler radar was tracking a strong thunderstorm over Northern Lake Winnebago, or 9 miles south of Appleton, moving east at 30 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. The strong thunderstorm will be near... Northern Lake Winnebago, Central Lake Winnebago, Menasha and Appleton around 500 PM CDT.”
- Wind 50 mph Winnebago County NWS severe weather mention
Wednesday, July 1, 2026
2 SPC verified storm reports · 1 NWS warning — hail up to 0.25", wind gusts up to 61 mph
“At 1021 PM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 8 miles southwest of Green Bay to 7 miles southwest of Menasha, or extending from 8 miles southwest of Green Bay to 10 miles north of Oshkosh, moving east at 30 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.”
- Wind 61 mph Wittman Field SPC verified report
- Hail 0.25" Winnebago County NWS severe weather mention
- Wind Unknown Oshkosh SPC verified report
Tuesday, June 30, 2026
1 NWS warning — hail up to 0.25"
“At 1022 AM CDT, Doppler radar was tracking an area of strong thunderstorms 6 miles southwest of Black Creek, or 13 miles northwest of Appleton, moving east 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 damage to outdoor objects is possible. The strong thunderstorms will be near...”
- Hail 0.25" Winnebago County NWS severe weather mention
Wednesday, June 24, 2026
1 NWS warning — hail up to 0.5"
“At 533 PM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 6 miles northwest of Rush Lake to near Rush Lake, or extending from 16 miles west of Oshkosh to 20 miles west of Oshkosh, moving southeast at 30 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.”
- Hail 0.5" Winnebago County NWS severe weather mention
Tuesday, June 16, 2026
2 SPC verified storm reports · 1 NWS warning — hail up to 1"
“At 106 PM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 6 miles northwest of Pulaski to 9 miles south of Oshkosh, moving east at 20 mph. Hazard: Wind gusts up to 30 mph and half inch size hail. Impact: Small hail can be expected. Locations impacted include...”
- Hail 1" 1 S Winnebago SPC verified report
- Hail 1" 2 WNW Oshkosh SPC verified report
- Hail 0.5" Winnebago County NWS severe weather mention
Wednesday, June 10, 2026
5 SPC verified storm reports · 1 NWS warning — hail up to 0.75", wind gusts up to 94 mph
“ASOS station KOSH Oshkosh Airport. (GRB)”
“At 950 AM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 13 miles south of Pound to 9 miles west of Menasha, or extending from 24 miles northwest of Bay Shore Park to 11 miles west of Appleton, moving east at 30 mph. Hazard: Wind gusts up to 40 to 45 mph mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects.”
- Wind 94 mph 1 S Wittman Field SPC verified report
- Hail 0.75" Winnebago County NWS severe weather mention
- Wind Unknown 1 SE Neenah SPC verified report
- Wind Unknown 4 SSW Wittman Field SPC verified report
- Wind Unknown 1 NW Oshkosh SPC verified report
- Wind Unknown 1 W Omro SPC verified report
Friday, June 5, 2026
1 NWS warning — wind gusts up to 50 mph
“At 838 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Little Chute to near Menasha to Berlin. Movement was southeast at 30 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...”
- Wind 50 mph Winnebago County NWS severe weather mention
Sunday, May 17, 2026
3 NWS warnings — hail up to 0.25"
“At 344 PM CDT, Doppler radar was tracking strong thunderstorms near Menasha, or near Appleton, moving northeast at 40 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. This strong thunderstorm will be near...”
“At 224 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Rush Lake to near Oshkosh to near Southern Lake Winnebago. Movement was northeast at 30 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.”
- Hail 0.25" Winnebago County NWS severe weather mention
- Hail 0.25" Winnebago County NWS severe weather mention
- Hail 0.25" Winnebago County NWS severe weather mention
Monday, April 27, 2026
1 NWS warning — wind gusts up to 50 mph
“At 1248 PM CDT, Doppler radar was tracking the back edge of a line of showers, al..ong a line extending from near Babcock to 7 miles northeast of Necedah to near Fall River. Movement was northeast at 55 mph. Once the rain comes to an end, a strong burst of wind up to 50-55 mph will be possible for up to 30 minutes before diminishing. Hazard: Wind gusts up to 50-55 mph.”
- Wind 50 mph Winnebago County NWS severe weather mention
Friday, April 17, 2026
1 NWS warning — hail up to 0.75"
“At 411 PM CDT, Doppler radar was tracking a strong thunderstorm near Rush Lake, or near Berlin, moving northeast at 40 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.”
- Hail 0.75" Winnebago County NWS severe weather mention
Tuesday, April 14, 2026
2 NWS warnings — hail up to 0.75"
“At 719 PM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 5 miles northeast of Rush Lake to over Central Lake Winnebago, or extending from 11 miles west of Oshkosh to 5 miles east of Oshkosh, moving northeast 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.”
“At 703 PM CDT, Doppler radar was tracking a strong thunderstorm over Rush Lake, or 16 miles southwest of Oshkosh, moving northeast at 35 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 damage to outdoor objects is possible. The strong thunderstorm will be near... Rush Lake around 705 PM CDT.”
- Hail 0.75" Winnebago County NWS severe weather mention
- Hail 0.75" Winnebago County NWS severe weather mention
Monday, April 13, 2026
2 NWS warnings — hail up to 0.75"
“At 1126 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Denmark to near Chilton to near Central Lake Winnebago to Oshkosh to 8 miles south of Wautoma. Movement was east at 30 mph. Hazard: Wind gusts up to 30 mph, penny size hail and torrential rainfall. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects.”
“At 1034 PM CDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from 7 miles northeast of New London to 11 miles east of Fremont to near Berlin to 8 miles north of Montello. Movement was east at 40 mph. Hazard: Half inch hail and torrential rainfall. Impact: Minor hail damage to vegetation is possible. Strong thunderstorms will be near...”
- Hail 0.75" Winnebago County NWS severe weather mention
- Hail 0.5" Winnebago County NWS severe weather mention
Sunday, April 12, 2026
1 NWS warning — wind gusts up to 50 mph
“At 522 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 7 miles southeast of Clintonville to near Kaukauna to near Cleveland. Movement was northeast 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...”
- Wind 50 mph Winnebago County NWS severe weather mention
Wednesday, April 8, 2026
1 NWS warning — wind gusts up to 50 mph
“Southerly winds will gust 40 to 50 mph through early this evening from central to east-central WI, and also near the lakeshore. Expect the winds to diminish after 6 or 7 PM. These strong gusts will make driving high profile vehicles difficult, especially along west to east oriented roads. The strong winds may also break smaller tree limbs and blow around any unsecured objects.”
- Wind 50 mph Winnebago County NWS severe weather mention
Thursday, April 2, 2026
2 NWS warnings — hail up to 0.5"
“At 729 PM CDT, Doppler radar was tracking strong thunderstorms extending from near Brandon to near Campbellsport. Movement was northeast at 50 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. Strong thunderstorms will be near...”
“At 809 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Hartman Creek State Park to near Menasha to 8 miles southeast of Two Creeks. Movement was northeast at 55 mph. Hazard: Pea size hail and brief torrential rainfall. Impact: Minor hail damage to vegetation is possible. Strong thunderstorms will be near...”
- Hail 0.5" Winnebago County NWS severe weather mention
- Hail 0.25" Winnebago County NWS severe weather mention
Tuesday, March 31, 2026
6 NWS warnings — hail up to 0.88"
“At 1153 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 8 miles southeast of Kewaunee to 7 miles northeast of Rosendale. Movement was east at 45 mph. Hazard: Wind gusts up to 30 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.”
“At 1124 AM CDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from 6 miles north of Oshkosh to near Berlin. Movement was east at 50 mph. Hazard: Wind gusts up to 30 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. Strong thunderstorms will be near...”
- Hail 0.88" Winnebago County NWS severe weather mention
- Hail 0.88" Winnebago County NWS severe weather mention
- Hail 0.88" Winnebago County NWS severe weather mention
- Hail 0.5" Winnebago County NWS severe weather mention
- Hail 0.5" Winnebago County NWS severe weather mention
- Hail 0.5" Winnebago County NWS severe weather mention
Monday, March 30, 2026
1 NWS warning — hail up to 0.5"
“At 1049 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Oshkosh to near Central Lake Winnebago to near Southern Lake Winnebago. Movement was east at 60 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 to vegetation is possible.”
- Hail 0.5" Winnebago County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Winnebago County, WI?
The most recent recorded event was in September 2026. Official NWS and SPC records show 45 severe weather events in Winnebago County over the last 180 days. Exact dates and locations for recent storms are available in the app with a free account.
Has there been hail in Winnebago County recently?
Yes — 30 hail reports in the last 180 days, with hail up to 1" 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.