PNS25-72: Soliciting Comments through December 19, 2025 on the Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices.

Hazardous Weather Conditions

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675.0ft.

Overcast

40°F

4°C

Humidity	50%
Wind Speed	SSW 11 MPH
Barometer	29.84 in (1010.5 mb)
Dewpoint	23°F (-5°C)
Visibility	10.00 mi
Wind Chill	33°F (1°C)
Last update	10 Dec 04:53 AM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

8 Miles S Ulm MT

Winter Storm Watch December 11, 02:00pm until December 13, 05:00am

Winter Weather Advisory December 10, 05:05am until December 10, 11:00am

Click here for hazard details and duration

Winter Storm Watch

Winter Weather Advisory

Winter Weather Advisory December 10, 05:05am until December 10, 11:00am
NOW until 11:00am Wed
Winter Weather Advisory
Overnight
Low: 37 °F
Chance
Rain/Snow
Wednesday
High: 55 °F
Rain/Snow
Likely and
Breezy then
Chance Rain
and Windy
Wednesday Night
Low: 45 °F
Chance Rain
and Windy
Thursday
High: 53 °F
Rain and
Windy then
Rain/Snow
Likely and
Breezy
Thursday Night
Low: 10 °F
Snow Likely
Friday
High: 21 °F
Snow
Friday Night
Low: 3 °F
Snow Likely
Saturday
High: 24 °F
Chance Snow

Detailed Forecast

Overnight

A chance of rain and snow. Cloudy, with a steady temperature around 37. South wind around 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Wednesday

Rain and snow likely before 8am, then a chance of rain. Mostly cloudy, with a high near 55. Windy, with a southwest wind 16 to 21 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 45. Windy, with a west southwest wind 28 to 31 mph, with gusts as high as 43 mph.

Thursday

Rain before 2pm, then snow likely, possibly mixed with rain. High near 53. Windy, with a west southwest wind 25 to 30 mph becoming north northwest 18 to 23 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday Night

Snow likely. Cloudy, with a low around 10. North northeast wind 6 to 11 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow. High near 21. Northeast wind 6 to 8 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow likely, mainly after 11pm. Cloudy, with a low around 3. North northwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

Saturday

A chance of snow, mainly before 11am. Mostly cloudy, with a high near 24. North northwest wind around 7 mph.

Saturday Night

Mostly cloudy, with a low around 13.

Sunday

Partly sunny, with a high near 45.

Sunday Night

Mostly cloudy, with a low around 30.

Monday

Partly sunny, with a high near 42.

Monday Night

A slight chance of rain. Mostly cloudy, with a low around 30.