Severe Thunderstorm Warning Issued for Walworth County, Wisconsin
This alert is no longer in effect.
NOAA issued it on April 15, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
A Severe Thunderstorm Warning is in effect for southern Walworth County in southeastern Wisconsin until 3:30 AM CDT, featuring quarter-sized hail and winds up to 50 MPH that could damage vehicles.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm
- Affected area
- Walworth County, Wisconsin
- Issued
- April 15, 2026
- Issuing authority
- NWS Milwaukee/Sullivan WI
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Walworth County, Wisconsin.
Alert Details
A Severe Thunderstorm Warning has been issued by the National Weather Service (NWS) Milwaukee/Sullivan WI. It is effective from 3:00 AM CDT until 3:30 AM CDT.
Affected Areas
The warning covers southern Walworth County in southeastern Wisconsin. Specific locations impacted include Lake Geneva, Williams Bay, Genoa City, Walworth, Richmond, Fontana-On-Geneva Lake, Sharon, Como, Pell Lake, Powers Lake, Burlington, Springfield, and Delavan Lake.
What You Should Do
For your protection, move to an interior room on the lowest floor of a building.
Expected Conditions
Hazard includes quarter size hail. Wind gusts up to 50 MPH are expected, with potential damage to vehicles as indicated by radar.
Timeline
The alert is effective from 3:00 AM CDT on April 15, 2026, and ends at 3:30 AM CDT on April 15, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (838 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 15, 2026.
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