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

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 >

Hazardous Weather Conditions

Current conditions at

Lost Trail Pass (ITD87)

Lat: 45.69302°NLon: 113.94835°WElev: 7090.0ft.

light snow

26°F

-3°C

Humidity 92%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility 1.24 mi
Wind Chill19°F (-7°C)
Last update 07 Dec 12:15 PM MST
Extended Forecast for

3 Miles W Gibbonsville ID

  • This Afternoon

    This Afternoon: Snow likely, mainly after 3pm. Mostly cloudy, with a high near 34. South southwest wind around 6 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Likely

  • Tonight

    Tonight: Snow before 8pm, then snow, possibly mixed with rain. Low around 30. Southwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Monday

    Monday: A chance of snow before 11am, then rain likely, possibly mixed with snow. Snow level rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 39. Southwest wind around 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Rain. Low around 35. Southwest wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain

  • Tuesday

    Tuesday: Rain before 8am, then rain and snow. Snow level 6800 feet lowering to 5600 feet. High near 39. West wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow. Snow level 6000 feet rising to 6700 feet after midnight. Low around 33. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 33 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow. High near 39. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain likely, possibly mixed with snow. Snow level 6500 feet lowering to 5800 feet after midnight . Mostly cloudy, with a low around 28.

    Low: 28 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain likely, possibly mixed with snow, mainly before 11am. Snow level 5600 feet rising to 6300 feet in the afternoon. Mostly cloudy, with a high near 37.

    High: 37 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Snow likely, mainly after 3pm. Mostly cloudy, with a high near 34. South southwest wind around 6 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow before 8pm, then snow, possibly mixed with rain. Low around 30. Southwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A chance of snow before 11am, then rain likely, possibly mixed with snow. Snow level rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 39. Southwest wind around 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
Rain. Low around 35. Southwest wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain before 8am, then rain and snow. Snow level 6800 feet lowering to 5600 feet. High near 39. West wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain, possibly mixed with snow. Snow level 6000 feet rising to 6700 feet after midnight. Low around 33. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday
Rain, possibly mixed with snow. High near 39. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain likely, possibly mixed with snow. Snow level 6500 feet lowering to 5800 feet after midnight . Mostly cloudy, with a low around 28.
Thursday
Rain likely, possibly mixed with snow, mainly before 11am. Snow level 5600 feet rising to 6300 feet in the afternoon. Mostly cloudy, with a high near 37.
Thursday Night
A chance of rain and snow. Snow level 6200 feet. Mostly cloudy, with a low around 30.
Friday
A chance of rain and snow. Snow level 6000 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 40.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
A slight chance of rain. Snow level 5700 feet rising to 6700 feet in the afternoon. Mostly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Gibbonsville ID
 45.55°N 113.97°W (Elev. 5400 ft)
Last Update:
1:01 am MST Dec 7, 2025
Forecast Valid:
12pm MST Dec 7, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation