Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

JETTE (JETM8)

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

NA

34°F

1°C

Humidity 100%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 10 Dec 04:43 AM MST
Extended Forecast for

Swan Lake MT

Flood Watch until December 11, 05:00pm
Winter Weather Advisory until December 10, 11:00am
Click here for hazard details and duration
Flood Watch
Winter Weather Advisory
  •  
    Flood Watch until December 11, 05:00pm
    Winter Weather Advisory until December 10, 11:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 32 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow, becoming all rain after 7am.  Snow level 4600 feet rising to 7300 feet in the afternoon. High near 47. Southeast wind 6 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 43. Southwest wind 11 to 14 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 43. Southwest wind 9 to 13 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely before 8pm, then rain and snow likely.  Snow level 4900 feet lowering to 3800 feet after midnight . Cloudy, with a low around 35. West southwest wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 21 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    Likely

  • Friday

    Friday: Rain, possibly mixed with snow.  Snow level 3800 feet rising to 5100 feet in the afternoon. High near 44. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow likely, becoming all rain after 8pm.  Cloudy, with a low around 38. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Saturday

    Saturday: A chance of rain.  Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

Detailed Forecast

Overnight
Rain and snow. Snow level 4600 feet. Low around 32. Southeast wind around 7 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.
Wednesday
Rain and snow, becoming all rain after 7am. Snow level 4600 feet rising to 7300 feet in the afternoon. High near 47. Southeast wind 6 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain. Low around 43. Southwest wind 11 to 14 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain. High near 43. Southwest wind 9 to 13 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely before 8pm, then rain and snow likely. Snow level 4900 feet lowering to 3800 feet after midnight . Cloudy, with a low around 35. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow. Snow level 3800 feet rising to 5100 feet in the afternoon. High near 44. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Rain and snow likely, becoming all rain after 8pm. Cloudy, with a low around 38. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
A chance of rain. Mostly cloudy, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
A chance of rain, mainly after 11am. Partly sunny, with a high near 46.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 36.
Monday
A chance of rain. Mostly cloudy, with a high near 46.
Monday Night
Rain. Mostly cloudy, with a low around 37.
Tuesday
Rain and snow. Cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Swan Lake MT
 47.94°N 113.87°W (Elev. 3576 ft)
1:02 am MST Dec 10, 2025
5am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
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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