A strong low pressure system from the Canadian Rockies pulled suddenly colder air into all of northeast Montana and easily brought with it, stronger winds from aloft down to the surface.
Every event with a place to put it; 10 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 GGW wrote it up.
A strong low pressure system from the Canadian Rockies pulled suddenly colder air into all of northeast Montana and easily brought with it, stronger winds from aloft down to the surface.
The national radar mosaic for the moment the first event began.
10 high wind. Local standard time, as filed.
A peak wind gust of 58 mph was recorded at the Malta W ADA mesonet site 5 miles west of Malta at 11:45 AM.
Sustained wind speeds of at least 40 mph were common in the Little Rocky Mountains from midday to the late nighttime hours. The peak wind gusts of 70 mph were recorded between 3:44 PM and 3:54 PM at the Malta South US-191 DOT site (MTMAL).
A peak wind gust of 62 mph occurred at 5:15 PM at the Jordan E. mesonet site. Peak wind gusts of 58 mph occurred at 12:48 PM and again at 6:48 PM at the Jordan Airport ASOS site (KJDN).
For multiple sites across Sheridan County, sustained wind speeds of at least 40 mph began in the mid afternoon and lasted late into the nighttime hours. The peak wind gust of 65 mph was recorded at the Comertown Turn-Off MT-5 DOT site (MTCOM) at 6:37 PM.
For multiple sites across Western Roosevelt County, sustained wind speeds at least 40 mph were common from the mid afternoon to the nighttime hours. The peak wind gust of 60 mph was recorded at 7:18 PM at the Poplar, MT RAWS site (POPM8).
For multiple sites across McCone County, winds speeds of at least 40 mph were common from mid afternoon to the early nighttime hours. The peak wind gust of 67 mph was recorded at the Fort Peck S mesonet site at 7:45 PM.
Across multiple sites in Central and Southern Valley County, wind speeds of at least 40 mph began as early as mid afternoon and ended in the nighttime hours. The peak wind gusts of 58 mph were recorded at the King Coulee RAWS site both at 2:44 PM and 3:44 PM as well as the Saint Marie MARCO mesonet site (07MT) at 5:50 PM.
For multiple sites across Dawson County, sustained wind speeds of at least 40 mph were common from late afternoon until midnight. The peak wind gust of 70 mph was recorded at 8:46 PM at the Bloomfield mesonet site (GW0525).
Across multiple sites in Richland County, sustained wind speeds of at least 40 mph were common from the late afternoon through the nighttime hours. The peak wind gust of 63 mph was recorded at the Sioux Pass MT-16 DOT site from 6:50 PM to 6:54 PM.
At the Stateline US-2 DOT site, sustained wind speeds of at least 40 mph were common from the early evening hours to the early nighttime hours.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2022Every state in 2022This day in weather historyWarnings in Montana, January 2022
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 2026-10-01. Each event’s entry at NCEI: 1005006, 1005055, 1005057, 1005022, 1005043, 1005058, 1005002, 1005087, 1005059, 1005050.