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

Afton WY (KAFO)

Lat: 42.71133°NLon: 110.94217°WElev: 6201.0ft.

Overcast

43°F

6°C

Humidity 70%
Wind Speed SSE 12 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 25 Dec 01:35 PM MST
Extended Forecast for

21 Miles SE Smoot WY

Winter Weather Advisory December 26, 05:00am until December 26, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Christmas Day

    Christmas Day: Snow showers likely, mainly after 5pm. Some thunder is also possible. Patchy blowing snow. Mostly cloudy, with a high near 35. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow showers likely, mainly after 4am. The snow could be heavy at times. Patchy blowing snow after 8pm. Mostly cloudy, with a low around 27. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Friday

    Friday: Snow showers. The snow could be heavy at times. Widespread blowing snow, mainly before 4pm. High near 29. Windy, with a southwest wind 21 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    High: 29 °F

    Heavy Snow
    and Blowing
    Snow

  • Friday Night

    Friday Night: Snow showers. The snow could be heavy at times. Areas of blowing snow before 11pm. Low around 18. Breezy, with a west wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 18 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Saturday

    Saturday: Snow showers. High near 21. Breezy, with a west wind 18 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 21 °F

    Snow Showers
    and Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 1. Breezy, with a northwest wind 10 to 17 mph, with gusts as high as 29 mph.

    Low: 1 °F

    Chance Snow
    Showers and
    Breezy then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 13. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 13 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

Detailed Forecast

Christmas Day
Snow showers likely, mainly after 5pm. Some thunder is also possible. Patchy blowing snow. Mostly cloudy, with a high near 35. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow showers likely, mainly after 4am. The snow could be heavy at times. Patchy blowing snow after 8pm. Mostly cloudy, with a low around 27. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow showers. The snow could be heavy at times. Widespread blowing snow, mainly before 4pm. High near 29. Windy, with a southwest wind 21 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Friday Night
Snow showers. The snow could be heavy at times. Areas of blowing snow before 11pm. Low around 18. Breezy, with a west wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Saturday
Snow showers. High near 21. Breezy, with a west wind 18 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 40 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 1. Breezy, with a northwest wind 10 to 17 mph, with gusts as high as 29 mph.
Sunday
Mostly sunny, with a high near 13. West northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 3.
Monday
Sunny, with a high near 23.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Mostly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SE Smoot WY
 42.38°N 110.66°W (Elev. 8927 ft)
Last Update:
1:18 pm MST Dec 25, 2025
Forecast Valid:
1pm MST Dec 25, 2025-6pm MST Dec 31, 2025
 
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