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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Lost Trail Pass (ITD87)

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

light snow

29°F

-2°C

Humidity 100%
Wind Speed SSW 8 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility 0.40 mi
Wind Chill21°F (-6°C)
Last update 26 Dec 05:15 AM MST
Extended Forecast for

7 Miles WSW Lost Trail Pass MT

Winter Weather Advisory until December 27, 08:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until December 27, 08:00pm

    NOW until 8:00pm Sat

    Winter Weather Advisory

  • Overnight

    Low: 25 °F

    Slight Chance
    Snow

  • Friday

    Friday: Snow, mainly before 4pm. Patchy blowing snow after 8am. High near 31. Breezy, with a south wind 7 to 12 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 31 °F

    Snow and
    Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Snow, mainly after midnight. The snow could be heavy at times. Low around 14. West southwest wind 15 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 14 °F

    Chance Snow
    then Heavy
    Snow

  • Saturday

    Saturday: Snow. High near 18. Wind chill values as low as -3. West northwest wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 18 °F

    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -2. West northwest wind 5 to 10 mph becoming light west in the evening.

    Low: -2 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 25. South wind around 6 mph.
Friday
Snow, mainly before 4pm. Patchy blowing snow after 8am. High near 31. Breezy, with a south wind 7 to 12 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday Night
Snow, mainly after midnight. The snow could be heavy at times. Low around 14. West southwest wind 15 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow. High near 18. Wind chill values as low as -3. West northwest wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Partly cloudy, with a low around -2. West northwest wind 5 to 10 mph becoming light west in the evening.
Sunday
Mostly sunny, with a high near 17.
Sunday Night
Mostly clear, with a low around 6.
Monday
Mostly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 21.
New Year's Day
A chance of snow. Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Lost Trail Pass MT
 45.66°N 114.09°W (Elev. 6660 ft)
Last Update:
1:03 am MST Dec 26, 2025
Forecast Valid:
5am MST Dec 26, 2025-6pm MST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation