Severe Thunderstorm Warning — Brown County, Minnesota
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 20 at 8:21PM CDT until August 20 at 9:15PM CDT by NWS Twin Cities/Chanhassen MN
SVRMPX The National Weather Service in the Twin Cities has issued a * Severe Thunderstorm Warning for... Southwestern Brown County in south central Minnesota... Southeastern Redwood County in southwestern Minnesota... * Until 915 PM CDT. * At 821 PM CDT, a severe thunderstorm was located 6 miles northeast of Lamberton, or 17 miles south of Redwood Falls, moving southeast at 25 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Wanda, Lamberton, Sanborn, Springfield and Comfrey.
Effective August 20, 2026 at 9:21 PM ET · Expires August 20, 2026 at 10:15 PM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Twin Cities/Chanhassen MN
Expires
August 20, 2026 at 10:15 PM ET
Last Checked
just now
What To Do
📋 Official NWS Guidance
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure.
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in Minnesota
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Warning
Tornado Warning
Severe Thunderstorm Warning
Severe Thunderstorm Watch
Get Severe Thunderstorm Warning Alerts for Brown County
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Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Brown County, Minnesota?
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 (just now). It's set to expire August 20, 2026 at 10:15 PM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Brown County?
Download StormCast free on Google Play and set Brown County, Minnesota 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 Redwood County.