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NWS Great Falls MTSV.W 0013May 29, 2026

Severe Thunderstorm Warning: Blaine, MT

The National Weather Service office in Great Falls issued a severe thunderstorm warning for Blaine in Montana, which was in force until 5:00 p.m. local time on May 29. It was the 13th 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

Issued4:22 p.m. MDT, May 29, 2026
In force4:22 p.m. MDT, May 29, 2026
Expired5:00 p.m. MDT, May 29, 2026

In force for 38 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
Blaine
State
Montana
Level
Warning
Issued
4:22 p.m. MDT, May 29, 2026
Expires
5:00 p.m. MDT, May 29, 2026
CAP severity, certainty, urgency
Severe, Observed, Immediate
VTEC event
KTFX SV.W 0013
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... South central Blaine County in north central Montana... * Until 500 PM MDT. * At 422 PM MDT, a severe thunderstorm was located near Hays, or 12 miles west of Zortman, moving northeast at 10 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Hays.

What the agency told people to do

For your protection move to an interior room on the lowest floor of a building.

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