Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

TIMBERCREST (TCTM8)

Lat: 45.15694°NLon: 109.36056°WElev: 6400.0ft.

NA

38°F

3°C

Humidity 59%
Wind Speed W 13 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 26 Dec 01:15 AM MST
Extended Forecast for

17 Miles E Cooke City MT

  • Overnight

    Overnight: A 50 percent chance of snow. The snow could be heavy at times.  Cloudy, with a low around 15. Wind chill values as low as -5. West southwest wind around 28 mph, with gusts as high as 41 mph.  Total nighttime snow accumulation of around 3 inches.

    Low: 15 °F

    Heavy Snow

  • Friday

    Friday: Snow likely, mainly before 2pm. The snow could be heavy at times.  Cloudy, with a temperature falling to around 11 by 5pm. Wind chill values as low as -10. Southwest wind 28 to 34 mph, with gusts as high as 48 mph.  Chance of precipitation is 70%. New snow accumulation of around 6 inches.

    High: 17 °F

    Heavy Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly after 3am. The snow could be heavy at times.  Mostly cloudy, with a low around 2. Wind chill values as low as -20. West southwest wind around 33 mph, with gusts as high as 50 mph.  New snow accumulation of around 3 inches.

    Low: 2 °F

    Heavy Snow

  • Saturday

    Saturday: Snow.  Temperature falling to around -4 by 5pm. Wind chill values as low as -25. West wind 32 to 37 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 47 mph.  Chance of precipitation is 90%. New snow accumulation of around 3 inches.

    High: 8 °F

    Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around -14. West northwest wind around 17 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: -14 °F

    Snow Likely
    then Slight
    Chance Snow

  • Sunday

    Sunday: Sunny and cold, with a high near -1. West wind 14 to 17 mph.

    High: -1 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a temperature falling to near -7 by 8pm, then rising to around -3 during the remainder of the night. West wind 18 to 21 mph.

    Low: -7 °F

    Mostly Clear

  • Monday

    Monday: Sunny and cold, with a high near 11. West southwest wind 15 to 21 mph.

    High: 11 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around 5. West wind around 22 mph.

    Low: 5 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of snow. The snow could be heavy at times. Cloudy, with a low around 15. Wind chill values as low as -5. West southwest wind around 28 mph, with gusts as high as 41 mph. Total nighttime snow accumulation of around 3 inches.
Friday
Snow likely, mainly before 2pm. The snow could be heavy at times. Cloudy, with a temperature falling to around 11 by 5pm. Wind chill values as low as -10. Southwest wind 28 to 34 mph, with gusts as high as 48 mph. Chance of precipitation is 70%. New snow accumulation of around 6 inches.
Friday Night
A 40 percent chance of snow, mainly after 3am. The snow could be heavy at times. Mostly cloudy, with a low around 2. Wind chill values as low as -20. West southwest wind around 33 mph, with gusts as high as 50 mph. New snow accumulation of around 3 inches.
Saturday
Snow. Temperature falling to around -4 by 5pm. Wind chill values as low as -25. West wind 32 to 37 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 90%. New snow accumulation of around 3 inches.
Saturday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around -14. West northwest wind around 17 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
Sunny and cold, with a high near -1. West wind 14 to 17 mph.
Sunday Night
Mostly clear, with a temperature falling to near -7 by 8pm, then rising to around -3 during the remainder of the night. West wind 18 to 21 mph.
Monday
Sunny and cold, with a high near 11. West southwest wind 15 to 21 mph.
Monday Night
Partly cloudy, with a low around 5. West wind around 22 mph.
Tuesday
Mostly cloudy, with a high near 16. West wind 15 to 21 mph.
Tuesday Night
Mostly cloudy, with a low around 9. West wind 20 to 22 mph.
Wednesday
Mostly cloudy, with a high near 17. West wind 18 to 22 mph.
Wednesday Night
Mostly cloudy, with a low around 9. West wind around 22 mph.
New Year's Day
Partly sunny, with a high near 17. West wind 17 to 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles E Cooke City MT
 45.05°N 109.58°W (Elev. 11795 ft)
1:50 am MST Dec 26, 2025
2am MST Dec 26, 2025-6pm MST Jan 1, 2026
 
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Additional Resources

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