Winter Storm in Montana, January 21 to 22, 2011

Name: Winter Storm in Montana, January 21 to 22, 2011
Start: 2011-01-21T17:00
End: 2011-01-22T18:00
Location: Montana

January 21 to 22, 2011 · NWS TFX · 2 events in 2 counties and zones

A late January winter storm brough heavy snow to Hill and Blaine Counties. Snow amounts up to 8 inches were reported.

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 2

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.

What happened

The episode as NWS TFX wrote it up.

A late January winter storm brough heavy snow to Hill and Blaine Counties. Snow amounts up to 8 inches were reported.

What forecasters said that day

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 21, 5:00 PM MST, 0 minutes earlier.

Area forecast discussion, Jan 21, 5:00 PM MST, 0 minutes before

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Hazardous weather outlook, Jan 21, 2:20 PM MST, 2 hours 40 minutes before

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Event by event

2 winter storm. Local standard time, as filed.

Winter Storm, Hill

When: January 21, 5:00 PM MST to January 22, 6:00 PM MST
Where: Hill forecast zone
Reported by: Trained Spotter

Seven inches of snow fell at Lloyd 11WNW.

Winter Storm, Blaine

When: January 21, 5:00 PM MST to January 22, 6:00 PM MST
Where: Blaine forecast zone
Reported by: Trained Spotter

Eight inches of snow fell at Lloyd 5S.

What these are

Winter Storm: A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Montana in 2011 Every state in 2011 This day in weather history Warnings in Montana, January 2011

Sources

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: 278471, 278472.