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NWS Great Falls MTSV.W 0012May 28, 2026

Severe Thunderstorm Warning: Glacier, Pondera and Toole, MT

The National Weather Service office in Great Falls issued a severe thunderstorm warning for Glacier, Pondera and Toole in Montana, which was in force until 6:00 p.m. local time on May 28. It was the 12th severe thunderstorm warning the NWS office in Great Falls issued in 2026. Montana had 41 severe thunderstorm warnings in May 2026, against 27 in an average May of 2008-2025 (Montana's severe thunderstorm warnings by year).

ExpiredWarning

Issued5:27 p.m. MDT, May 28, 2026
In force5:27 p.m. MDT, May 28, 2026
Expired6:00 p.m. MDT, May 28, 2026

In force for 33 minutes; it has expired. The agency may have replaced it with a new notice.

The notice

Issued by
National Weather Service, Great Falls MT
Area
Glacier, Pondera and Toole
State
Montana
Level
Warning
Issued
5:27 p.m. MDT, May 28, 2026
Expires
6:00 p.m. MDT, May 28, 2026
CAP severity, certainty, urgency
Severe, Observed, Immediate
VTEC event
KTFX SV.W 0012
Official source
National Weather Service: the notice at its source

Severe Thunderstorm Warnings in Montana since 2008Every warning type in Montana

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

SVRTFX The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for... North central Pondera County in north central Montana... East central Glacier County in north central Montana... Western Toole County in north central Montana... * Until 600 PM MDT. * At 526 PM MDT, a severe thunderstorm was located 7 miles south of Cut Bank, moving northwest at 5 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Cut Bank.

What the agency told people to do

For your protection move to an interior room on the lowest floor of a building. 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. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

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.

The record around this notice