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

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 >

Hazardous Weather Conditions

Current conditions at

Buffalo - Johnson County Airport (KBYG)

Lat: 44.38122°NLon: 106.71947°WElev: 4925.0ft.

Clear

61°F

16°C

Humidity 29%
Wind Speed S 13 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 24 Dec 08:20 PM MST
Extended Forecast for

14 Miles ENE Ten Sleep WY

  • Tonight

    Tonight: A slight chance of rain and snow showers before 3am, then a slight chance of rain showers between 3am and 5am, then scattered rain and snow showers after 5am. Snow level 9000 feet rising to 9500 feet. Mostly cloudy, with a steady temperature around 38. Breezy, with a south wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Scattered
    Rain/Snow and
    Breezy

  • Christmas Day

    Christmas Day: Rain and snow showers likely before 10am, then scattered snow showers between 10am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 39. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 39 °F

    Breezy.
    Rain/Snow
    Likely then
    Isolated Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. West southwest wind around 11 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 33. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 23 mph.

    High: 33 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 22. West southwest wind 10 to 13 mph, with gusts as high as 30 mph.

    Low: 22 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow showers after 11am. Partly sunny, with a high near 27. West wind 10 to 14 mph, with gusts as high as 30 mph.

    High: 27 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 3. West northwest wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 3 °F

    Chance Snow
    Showers then
    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Sunny, with a high near 15.

    High: 15 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of rain and snow showers before 3am, then a slight chance of rain showers between 3am and 5am, then scattered rain and snow showers after 5am. Snow level 9000 feet rising to 9500 feet. Mostly cloudy, with a steady temperature around 38. Breezy, with a south wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Christmas Day
Rain and snow showers likely before 10am, then scattered snow showers between 10am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 39. Breezy, with a west southwest wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 28. West southwest wind around 11 mph.
Friday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 33. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 23 mph.
Friday Night
A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 22. West southwest wind 10 to 13 mph, with gusts as high as 30 mph.
Saturday
A 40 percent chance of snow showers after 11am. Partly sunny, with a high near 27. West wind 10 to 14 mph, with gusts as high as 30 mph.
Saturday Night
A 50 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 3. West northwest wind 7 to 9 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 15.
Sunday Night
Mostly clear, with a low around 8.
Monday
Sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ENE Ten Sleep WY
 44.14°N 107.21°W (Elev. 8825 ft)
Last Update:
7:32 pm MST Dec 24, 2025
Forecast Valid:
8pm MST Dec 24, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation