September 4, 2026

Midwest Storm Chasers

Live Weather Coverage & Severe Storm Reporting

⚠️ Severe Thunderstorm Warning – Clearwater, MN; Mahnomen, MN; Polk, MN – Thursday, September 3, 2026

Event Severe Thunderstorm Warning
Severity Severe
Urgency Immediate
Certainty Observed
Area Clearwater, MN; Mahnomen, MN; Polk, MN
Effective 9/3/2026, 9:10:00 PM CDT
Expires 9/3/2026, 10:15:00 PM CDT

Severe Thunderstorm Warning issued September 3 at 9:10PM CDT until September 3 at 10:15PM CDT by NWS Grand Forks ND

Details

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.

Instructions

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.


This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.