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.

Rain

45°F

7°C

Humidity 75%
Wind Speed S 18 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 25 Dec 05:55 AM MST
Extended Forecast for

Afton WY

  • Christmas Day

    Christmas Day: Rain and thunderstorms likely before 8am, then a chance of rain between 8am and 2pm, then a chance of rain and thunderstorms after 2pm. Partly sunny, with a high near 44. Breezy, with a south wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely
    and Breezy

  • Tonight

    Tonight: Rain, possibly mixed with snow. Low around 31. South wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow

  • Friday

    Friday: Snow, possibly mixed with rain, becoming all snow after 2pm. High near 41. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow

  • Friday Night

    Friday Night: Snow. Low around 21. Southwest wind around 6 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Snow

  • Saturday

    Saturday: Snow. High near 32. West wind 7 to 10 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around 2. West wind 5 to 8 mph becoming calm after midnight.

    Low: 2 °F

    Chance Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 24. Calm wind.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 2.

    Low: 2 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

Detailed Forecast

Christmas Day
Rain and thunderstorms likely before 8am, then a chance of rain between 8am and 2pm, then a chance of rain and thunderstorms after 2pm. Partly sunny, with a high near 44. Breezy, with a south wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Tonight
Rain, possibly mixed with snow. Low around 31. South wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
Snow, possibly mixed with rain, becoming all snow after 2pm. High near 41. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday Night
Snow. Low around 21. Southwest wind around 6 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow. High near 32. West wind 7 to 10 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Saturday Night
A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around 2. West wind 5 to 8 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 24. Calm wind.
Sunday Night
Mostly clear, with a low around 2.
Monday
Sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 9.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Afton WY
 42.71°N 110.95°W (Elev. 6194 ft)
Last Update:
5:01 am MST Dec 25, 2025
Forecast Valid:
6am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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