Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

JETTE (JETM8)

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

NA

36°F

2°C

Humidity 96%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 08 Dec 01:43 AM MST
Extended Forecast for

Swan Lake MT

Wind Advisory December 8, 11:00pm until December 9, 11:00am
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: A 50 percent chance of rain.  Cloudy, with a low around 35. West southwest wind around 7 mph, with gusts as high as 21 mph.

    Low: 35 °F

    Chance Rain

  • Monday

    Monday: Rain and snow before 1pm, then rain likely between 1pm and 2pm, then rain, possibly mixed with snow after 2pm.  High near 42. Southwest wind 7 to 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Monday Night

    Monday Night: Rain.  Low around 37. South southwest wind 11 to 13 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then a chance of rain and snow.  Snow level 6000 feet lowering to 3900 feet in the afternoon . High near 45. West southwest wind around 11 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 11pm, then snow between 11pm and 2am, then rain, possibly mixed with snow after 2am.  Snow level rising to 4100 feet after midnight. Low around 33. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 33 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 8am.  High near 45. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain before 11pm, then rain, possibly mixed with snow. Some thunder is also possible.  Low around 36. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow

  • Thursday

    Thursday: Rain, possibly mixed with snow.  Snow level 4700 feet. Cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after 11pm.  Snow level 4300 feet lowering to 3600 feet after midnight . Cloudy, with a low around 30.

    Low: 30 °F

    Rain/Snow
    then Snow

Detailed Forecast

Overnight
A 50 percent chance of rain. Cloudy, with a low around 35. West southwest wind around 7 mph, with gusts as high as 21 mph.
Monday
Rain and snow before 1pm, then rain likely between 1pm and 2pm, then rain, possibly mixed with snow after 2pm. High near 42. Southwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Monday Night
Rain. Low around 37. South southwest wind 11 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain before 11am, then a chance of rain and snow. Snow level 6000 feet lowering to 3900 feet in the afternoon . High near 45. West southwest wind around 11 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain and snow before 11pm, then snow between 11pm and 2am, then rain, possibly mixed with snow after 2am. Snow level rising to 4100 feet after midnight. Low around 33. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 8am. High near 45. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain before 11pm, then rain, possibly mixed with snow. Some thunder is also possible. Low around 36. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain, possibly mixed with snow. Snow level 4700 feet. Cloudy, with a high near 41.
Thursday Night
Rain and snow, becoming all snow after 11pm. Snow level 4300 feet lowering to 3600 feet after midnight . Cloudy, with a low around 30.
Friday
Snow likely before 8am, then rain and snow likely. Snow level rising to 4900 feet in the afternoon. Mostly cloudy, with a high near 41.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Saturday
A chance of rain and snow. Partly sunny, with a high near 41.
Saturday Night
A chance of rain and snow. Snow level 4600 feet. Mostly cloudy, with a low around 32.
Sunday
Rain and snow likely. Snow level 4400 feet. Mostly cloudy, with a high near 42.
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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 8, 2025
2am MST Dec 8, 2025-6pm MST Dec 14, 2025
 
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Additional Resources

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