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

50°F

10°C

Humidity 49%
Wind Speed SSE 23 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 24 Dec 12:35 PM MST
Extended Forecast for

Afton WY

  • This Afternoon

    This Afternoon: Showers likely, mainly between 2pm and 5pm. Mostly cloudy, with a high near 51. Breezy, with a south southeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 51 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Showers. Low around 37. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Showers and
    Breezy

  • Christmas Day

    Christmas Day: Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 46. Breezy, with a south wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 46 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Scattered rain and snow showers before 11pm, then rain showers between 11pm and 2am, then rain and snow showers after 2am. Low around 33. Breezy, with a south wind 8 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow and
    Breezy

  • Friday

    Friday: Rain and snow showers, becoming all snow after 2pm. Some thunder is also possible. High near 41. South southwest wind 8 to 14 mph, with gusts as high as 24 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 showers. Low around 23. West southwest wind around 7 mph. Chance of precipitation is 90%.

    Low: 23 °F

    Snow Showers

  • Saturday

    Saturday: Snow showers. High near 32. West southwest wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    High: 32 °F

    Snow Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 8.

    Low: 8 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely, mainly between 2pm and 5pm. Mostly cloudy, with a high near 51. Breezy, with a south southeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Tonight
Showers. Low around 37. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Christmas Day
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 46. Breezy, with a south wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Scattered rain and snow showers before 11pm, then rain showers between 11pm and 2am, then rain and snow showers after 2am. Low around 33. Breezy, with a south wind 8 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Rain and snow showers, becoming all snow after 2pm. Some thunder is also possible. High near 41. South southwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday Night
Snow showers. Low around 23. West southwest wind around 7 mph. Chance of precipitation is 90%.
Saturday
Snow showers. High near 32. West southwest wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Saturday Night
A 40 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 27.
Sunday Night
Mostly clear, with a low around 6.
Monday
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Afton WY
 42.73°N 110.93°W (Elev. 6266 ft)
Last Update:
11:47 am MST Dec 24, 2025
Forecast Valid:
1pm MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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