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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

HARLEM (HRLM)

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

NA

44°F

7°C

Humidity 87%
Wind Speed ESE 5 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 15 Nov 02:00 PM MST
Extended Forecast for

Chinook MT

  • Tonight

    Tonight: Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 25. East wind around 6 mph becoming calm in the evening.

    Low: 25 °F

    Areas Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 48. East southeast wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 48 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Cloudy, with a low around 33. East southeast wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 33 °F

    Cloudy

  • Monday

    Monday: A 20 percent chance of rain. Mostly cloudy, with a high near 50. East southeast wind around 9 mph.

    High: 50 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 30. East southeast wind around 7 mph becoming west after midnight.

    Low: 30 °F

    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain. Mostly cloudy, with a high near 45. West wind around 7 mph.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 26. West northwest wind around 5 mph.

    Low: 26 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow. Partly sunny, with a high near 41. West northwest wind 6 to 8 mph.

    High: 41 °F

    Slight Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 25. East wind around 6 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 48. East southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Cloudy, with a low around 33. East southeast wind 10 to 15 mph, with gusts as high as 24 mph.
Monday
A 20 percent chance of rain. Mostly cloudy, with a high near 50. East southeast wind around 9 mph.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30. East southeast wind around 7 mph becoming west after midnight.
Tuesday
A 30 percent chance of rain. Mostly cloudy, with a high near 45. West wind around 7 mph.
Tuesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 26. West northwest wind around 5 mph.
Wednesday
A slight chance of rain and snow. Partly sunny, with a high near 41. West northwest wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 47.
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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:
2:18 pm MST Nov 15, 2025
Forecast Valid:
3pm MST Nov 15, 2025-6pm MST Nov 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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