Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

JETTE (JETM8)

Lat: 47.76706°NLon: 114.23378°WElev: 3593.0ft.

NA

27°F

-3°C

Humidity 82%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 21 Jan 01:43 PM MST
Extended Forecast for

5 Miles S Swan Lake MT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 32. Calm wind.

    High: 32 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 14. Calm wind.

    Low: 14 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. Calm wind becoming north northeast 5 to 8 mph in the afternoon.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 7. Wind chill values as low as -2. East wind 8 to 13 mph.

    Low: 7 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 23. Light and variable wind.

    High: 23 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 32. Calm wind.
Tonight
Mostly cloudy, with a low around 14. Calm wind.
Thursday
Mostly sunny, with a high near 29. Calm wind becoming north northeast 5 to 8 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 7. Wind chill values as low as -2. East wind 8 to 13 mph.
Friday
Mostly sunny, with a high near 23. Light and variable wind.
Friday Night
Partly cloudy, with a low around 5.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Mostly clear, with a low around 11.
Monday
A slight chance of snow. Mostly sunny, with a high near 32.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 18.
Tuesday
A slight chance of snow. Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Swan Lake MT
 47.84°N 113.82°W (Elev. 3205 ft)
2:06 pm MST Jan 21, 2026
2pm MST Jan 21, 2026-6pm MST Jan 27, 2026
 
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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