NWS Grand Forks NDSV.W 0191September 3, 2026
Severe Thunderstorm Warning: Clearwater, Mahnomen and Polk, MN
The National Weather Service office in Grand Forks issued a severe thunderstorm warning for Clearwater, Mahnomen and Polk in Minnesota, which was in force until 10:15 p.m. local time on September 3. It was the 191st severe thunderstorm warning the NWS office in Grand Forks issued in 2026. Minnesota had 58 severe thunderstorm warnings in September 2026, against 37 in an average September of 2008-2025 (Minnesota's severe thunderstorm warnings by year).
ExpiredWarning
In force for 1.1 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Grand Forks ND
- Area
- Clearwater, Mahnomen and Polk
- State
- Minnesota
- Level
- Warning
- Issued
- 9:10 p.m. CDT, September 3, 2026
- Expires
- 10:15 p.m. CDT, September 3, 2026
- CAP severity, certainty, urgency
- Severe, Observed, Immediate
- VTEC event
- KFGF SV.W 0191
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SVRFGF The National Weather Service in Grand Forks has issued a * Severe Thunderstorm Warning for... Southeastern Polk County in northwestern Minnesota... Northeastern Mahnomen County in northwestern Minnesota... Central Clearwater County in northwestern Minnesota... * Until 1015 PM CDT. * At 910 PM CDT, a severe thunderstorm was located over Fosston, or 38 miles west of Bemidji, moving southeast at 30 mph. HAZARD...Two inch 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... Fosston, Bagley, Clearbrook, Island Lake in Mahnomen County, Gonvick, Shevlin, and Rice Lake.
What the agency told people to do
For your protection move to an interior room on the lowest floor of a building. This storm is producing large hail. SEEK SHELTER NOW inside a sturdy structure and stay away from windows! Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.