National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

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Current conditions at

HARLEM (HRLM)

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

NA

10°F

-12°C

Humidity 86%
Wind Speed ESE 12 MPH
Barometer NA
Dewpoint 6°F (-14°C)
Visibility NA
Wind Chill-5°F (-21°C)
Last update 06 Dec 09:00 PM MST
Extended Forecast for

Chinook MT

  • Tonight

    Tonight: Snow, mainly before 11pm. Patchy fog. Low around 5. Wind chill values as low as -5. East southeast wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.

    Low: 5 °F

    Snow and
    Patchy Fog
    then Chance
    Snow and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 33. West northwest wind around 7 mph becoming southwest in the afternoon.

    High: 33 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a temperature falling to near 21 by 10pm, then rising to around 32 during the remainder of the night. South southeast wind 7 to 12 mph becoming west southwest 13 to 18 mph after midnight. Winds could gust as high as 34 mph.

    Low: 21 °F⇑

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42. Breezy, with a west wind 22 to 24 mph, with gusts as high as 38 mph.

    High: 42 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 29. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 40 mph.

    Low: 29 °F

    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: A chance of rain before 8am, then a chance of rain and snow between 8am and 11am, then a slight chance of snow after 11am. Partly sunny, with a high near 44. Windy, with a west northwest wind 23 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow and
    Windy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 16. West wind 7 to 9 mph becoming southeast in the evening. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 34. Southeast wind 8 to 11 mph becoming west northwest in the morning. Winds could gust as high as 18 mph.

    High: 34 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around -1.

    Low: -1 °F

    Chance Snow

Detailed Forecast

Tonight
Snow, mainly before 11pm. Patchy fog. Low around 5. Wind chill values as low as -5. East southeast wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 33. West northwest wind around 7 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a temperature falling to near 21 by 10pm, then rising to around 32 during the remainder of the night. South southeast wind 7 to 12 mph becoming west southwest 13 to 18 mph after midnight. Winds could gust as high as 34 mph.
Monday
Mostly sunny, with a high near 42. Breezy, with a west wind 22 to 24 mph, with gusts as high as 38 mph.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 40 mph.
Tuesday
A chance of rain before 8am, then a chance of rain and snow between 8am and 11am, then a slight chance of snow after 11am. Partly sunny, with a high near 44. Windy, with a west northwest wind 23 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 16. West wind 7 to 9 mph becoming southeast in the evening. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow. Mostly cloudy, with a high near 34. Southeast wind 8 to 11 mph becoming west northwest in the morning. Winds could gust as high as 18 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around -1.
Thursday
A chance of snow, mainly before 11am. Mostly cloudy, with a high near 10.
Thursday Night
A chance of snow. Mostly cloudy, with a low around -11.
Friday
A chance of snow. Mostly cloudy, with a high near 7.
Friday Night
A chance of snow. Mostly cloudy, with a low around -8.
Saturday
A slight chance of snow. Mostly cloudy, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook MT
 48.59°N 109.26°W (Elev. 2408 ft)
Last Update:
4:52 pm MST Dec 6, 2025
Forecast Valid:
9pm MST Dec 6, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation