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

Winter Storm Watch in effect from December 11, 11:00 AM MST until December 13, 05:00 AM MST

Current conditions at

HARLEM (HRLM)

Lat: 48.54333°NLon: 108.83472°WElev: 2358.0ft.

31°F

-1°C

Humidity	93%
Wind Speed	WNW 3 MPH
Barometer	NA
Dewpoint	29°F (-2°C)
Visibility	NA
Last update	09 Dec 09:00 PM MST

More Information:

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

Extended Forecast for

9 Miles SSW Chinook MT

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

Click here for hazard details and duration

Winter Storm Watch

Tonight
Low: 23 °F
Mostly Clear
then Chance
Snow
Wednesday
High: 46 °F
Rain/Snow
Likely then
Chance Rain
Wednesday Night
Low: 29 °F
Rain/Snow
Thursday
High: 38 °F
Rain/Snow
then Snow
Likely
Thursday Night
Low: -1 °F
Chance Snow
Friday
High: 4 °F
Snow
Friday Night
Low: -9 °F
Snow then
Chance Snow
Saturday
High: 4 °F
Chance Snow
Saturday Night
Low: -5 °F
Mostly Cloudy

Detailed Forecast

Tonight

A 30 percent chance of snow, mainly after 5am. Increasing clouds, with a low around 23. West northwest wind 6 to 10 mph becoming east southeast after midnight. Total nighttime snow accumulation of less than a half inch possible.

Wednesday

Rain and snow likely before 11am, then a chance of rain. Cloudy, with a high near 46. South southeast wind 14 to 18 mph becoming west in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Wednesday Night

Snow, possibly mixed with rain. Low around 29. West wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Thursday

Rain and snow, becoming all snow after 11am. High near 38. Wind chill values as low as zero. West wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

A 50 percent chance of snow. Cloudy, with a low around -1. North northwest wind 10 to 14 mph, with gusts as high as 21 mph. New snow accumulation of less than one inch possible.

Friday

Snow, mainly after 11am. High near 4. North northeast wind 8 to 11 mph becoming east in the afternoon. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Snow, mainly before 11pm. Low around -9. East wind 10 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

Saturday

A chance of snow, mainly before 11am. Partly sunny and cold, with a high near 4. East wind around 8 mph.

Saturday Night

Mostly cloudy, with a low around -5.

Sunday

Partly sunny, with a high near 37.

Sunday Night

Partly cloudy, with a low around 18.

Monday

Partly sunny, with a high near 32.

Monday Night

Mostly cloudy, with a low around 24.