A strong Canadian cold front behind a period of departing strong mid level flow brought another period of gusty winds to the region, this time across the Hi-Line.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS TFX wrote it up.
A strong Canadian cold front behind a period of departing strong mid level flow brought another period of gusty winds to the region, this time across the Hi-Line.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Great Falls, MT wrote its last area forecast discussion before the first event at Jan 16, 9:56 PM MST, 3 hours 4 minutes earlier.
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</html>Preliminary Local Storm Report
National Weather Service Great Falls MT
738 PM MST Thu Jan 16 2025
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0715 PM High Sust Winds 14 W Bynum 47.98N 112.61W
01/16/2025 M49 MPH Teton MT Mesonet
Mesonet station DELMT Dellwo (MCSCN)
averaged 49 mph sustained winds between 9:45
AM and 6:45 PM.
&&
IGThe national radar mosaic for the moment the first event began.
2 high wind. Local standard time, as filed.
A few mesonet sensors measured gusts reaching criteria, including sensor GW3546 Whitlash 7 south, which measured a 70 mph gust.
Mesonet station KMTBIGSA15 Quinn Farms measured a 60 mph gust.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2025Every state in 2025This day in weather historyWarnings in Montana, January 2025
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 1240219, 1240220.