Severe Thunderstorm Warning — Waukesha County, Wisconsin
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
⛈️ Active: Severe Thunderstorm Warning
Severe Thunderstorm Warning issued August 10 at 12:08AM CDT until August 10 at 12:15AM CDT by NWS Milwaukee/Sullivan WI
The storm which prompted the warning has weakened below severe limits, and has exited the warned area. Therefore, the warning will be allowed to expire.
Effective August 10, 2026 at 1:08 AM ET · Expires August 10, 2026 at 1:18 AM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Milwaukee/Sullivan WI
Expires
August 10, 2026 at 1:18 AM ET
Last Checked
3 hours ago
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in Wisconsin
Flash Flood Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Flood Advisory
Flood Advisory
Get Severe Thunderstorm Warning Alerts for Waukesha County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Waukesha County, Wisconsin?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Yes — this alert is active as of our last check (3 hours ago). It's set to expire August 10, 2026 at 1:18 AM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Waukesha County?
Download StormCast free on Google Play and set Waukesha 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.
What other areas does this alert cover?
This same Severe Thunderstorm Warning is also in effect for Racine County.