Flash Flood Warning Issued for Kenosha, Racine, Rock, and Walworth Counties in Wisconsin
This alert is no longer in effect.
NOAA issued it on April 16, 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 Flash Flood Warning is in effect for Kenosha, Racine, Rock, and Walworth counties in southeastern Wisconsin until midnight CDT, with heavy rain from thunderstorms causing potential flash flooding.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Southeastern Wisconsin
- Issued
- April 16, 2026
- Issuing authority
- NWS Milwaukee/Sullivan WI
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Southeastern Wisconsin.
Alert Details
A Flash Flood Warning has been issued by the National Weather Service (NWS) Milwaukee/Sullivan WI. It is effective immediately from 8:52 PM CDT on April 15, 2026, until 12:00 AM CDT on April 16, 2026.
Affected Areas
The warning affects Kenosha County, Racine County, Rock County, and Walworth County in southeastern Wisconsin. Specific locations include cities such as Kenosha, Racine, Janesville, Beloit, Mount Pleasant, Pleasant Prairie, Elkhorn, Delavan, Lake Geneva, Mukwonago, Sturtevant, Union Grove, East Troy, Paddock Lake, Williams Bay, Camp Lake, Wind Lake, Twin Lakes, Rochester, and Raymond.
What You Should Do
Turn around and do not drive through flooded roads to avoid drowning. Be especially cautious at night when it is harder to recognize flooding dangers.
Expected Conditions
Doppler radar indicates thunderstorms producing heavy rain, with 0.5 to 1.5 inches of rain already fallen and an additional 0.5 to 1 inch possible. This will cause flash flooding of small creeks and streams, urban areas, highways, streets, underpasses, and other poor drainage and low-lying areas.
Timeline
The alert is effective from 8:52 PM CDT on April 15, 2026, and ends at 12:00 AM CDT on April 16, 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 (1,236 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 16, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.