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

45°F

7°C

Humidity 75%
Wind Speed S 16 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 25 Dec 05:35 AM MST
Extended Forecast for

18 Miles ESE Smoot WY

  • Overnight

    Overnight: Snow. Some thunder is also possible. Steady temperature around 33. Windy, with a southwest wind around 29 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 33 °F

    Snow and
    Windy

  • Christmas Day

    Christmas Day: Snow likely, mainly before 8am. Some thunder is also possible. Partly sunny, with a temperature falling to around 24 by 4pm. Windy, with a west southwest wind 24 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F⇓

    Snow Likely
    and Windy

  • Thursday Night

    Thursday Night: Snow, mainly after 9pm. Low around 24. Windy, with a southwest wind 23 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow and
    Windy

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 24. Wind chill values as low as zero. Windy, with a southwest wind 24 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 24 °F

    Heavy Snow
    and Windy

  • Friday Night

    Friday Night: Snow. Low around 11. Windy, with a west wind 24 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 11 °F

    Snow and
    Windy

  • Saturday

    Saturday: Snow. High near 14. Windy, with a west wind 23 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.

    High: 14 °F

    Snow and
    Windy

  • Saturday Night

    Saturday Night: A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around -1. Breezy, with a west northwest wind 15 to 22 mph, with gusts as high as 33 mph.

    Low: -1 °F

    Chance Snow
    and Breezy
    then Partly
    Cloudy and
    Blustery

  • Sunday

    Sunday: Sunny and cold, with a high near 8.

    High: 8 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 1.

    Low: 1 °F

    Mostly Clear

Detailed Forecast

Overnight
Snow. Some thunder is also possible. Steady temperature around 33. Windy, with a southwest wind around 29 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Christmas Day
Snow likely, mainly before 8am. Some thunder is also possible. Partly sunny, with a temperature falling to around 24 by 4pm. Windy, with a west southwest wind 24 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow, mainly after 9pm. Low around 24. Windy, with a southwest wind 23 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow. The snow could be heavy at times. High near 24. Wind chill values as low as zero. Windy, with a southwest wind 24 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Friday Night
Snow. Low around 11. Windy, with a west wind 24 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow. High near 14. Windy, with a west wind 23 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.
Saturday Night
A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around -1. Breezy, with a west northwest wind 15 to 22 mph, with gusts as high as 33 mph.
Sunday
Sunny and cold, with a high near 8.
Sunday Night
Mostly clear, with a low around 1.
Monday
Sunny, with a high near 19.
Monday Night
Partly cloudy, with a low around 9.
Tuesday
Partly sunny, with a high near 25.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
Sunny, with a high near 29.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles ESE Smoot WY
 42.54°N 110.6°W (Elev. 9400 ft)
Last Update:
5:01 am MST Dec 25, 2025
Forecast Valid:
5am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation