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

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

HARLEM (HRLM)

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

NA

-2°F

-19°C

Humidity 60%
Wind Speed WNW 10 MPH
Barometer NA
Dewpoint -13°F (-25°C)
Visibility NA
Wind Chill-18°F (-28°C)
Last update 18 Feb 07:00 PM MST
Extended Forecast for

Chinook MT

Cold Weather Advisory February 18, 07:39pm until February 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory February 18, 07:39pm until February 19, 12:00pm

    NOW until 12:00pm Thu

    Cold Weather Advisory

  • Tonight

    Low: -9 °F

    Snow Likely

  • Thursday

    Thursday: A 50 percent chance of snow between 11am and 2pm. Mostly cloudy, with a high near 6. Wind chill values as low as -25. West wind 3 to 6 mph. New snow accumulation of less than a half inch possible.

    High: 6 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -8. Wind chill values as low as -20. East wind 3 to 5 mph.

    Low: -8 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 18. Wind chill values as low as -5. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 18 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -1. East wind around 5 mph becoming calm in the evening.

    Low: -1 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 26. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 26 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -1. North northeast wind around 6 mph becoming east southeast in the evening.

    Low: -1 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 26. East southeast wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 26 °F

    Partly Sunny

Detailed Forecast

Tonight
Snow likely, mainly after 11pm. Mostly cloudy, with a low around -9. Wind chill values as low as -25. West northwest wind 7 to 10 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Thursday
A 50 percent chance of snow between 11am and 2pm. Mostly cloudy, with a high near 6. Wind chill values as low as -25. West wind 3 to 6 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around -8. Wind chill values as low as -20. East wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 18. Wind chill values as low as -5. Calm wind becoming east southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around -1. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 26. Calm wind becoming north northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around -1. North northeast wind around 6 mph becoming east southeast in the evening.
Sunday
Partly sunny, with a high near 26. East southeast wind 7 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 5.
Monday
Partly sunny, with a high near 36.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 12.
Tuesday
A slight chance of snow. Partly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 10.
Wednesday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook MT
 48.6°N 109.23°W (Elev. 2408 ft)
Last Update:
5:12 pm MST Feb 18, 2026
Forecast Valid:
7pm MST Feb 18, 2026-6pm MST Feb 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation