Flash Flood Warning — Walworth County, Wisconsin
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued August 10 at 12:25AM CDT until August 10 at 3:30AM CDT by NWS Milwaukee/Sullivan WI
FFWMKX The National Weather Service in Milwaukee/Sullivan has issued a * Flash Flood Warning for... Southwestern Racine County in southeastern Wisconsin... East Central Walworth County in southeastern Wisconsin... * Until 330 AM CDT. * At 1225 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. The expected rainfall rate is 2 inches in 1 hour. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Elkhorn, Bohners Lake, Browns Lake, Burlington, Springfield, Honey Creek, Abells Corners, Tibbets
Effective August 10, 2026 at 1:25 AM ET · Expires August 10, 2026 at 4:30 AM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Milwaukee/Sullivan WI
Expires
August 10, 2026 at 4:30 AM ET
Last Checked
1 hour ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Other Active Alerts in Wisconsin
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Flood Advisory
Flood Advisory
Get Flash Flood Warning Alerts for Walworth County
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Frequently Asked Questions
What does a Flash Flood Warning mean for Walworth County, Wisconsin?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (1 hour ago). It's set to expire August 10, 2026 at 4:30 AM ET.
How do I get notified about Flash Flood Warning alerts for Walworth County?
Download StormCast free on Google Play and set Walworth County, Wisconsin as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.