Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Afton WY (KAFO)

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

Mist

32°F

0°C

Humidity 100%
Wind Speed W 5 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 32°F (0°C)
Visibility 3.00 mi
Wind Chill27°F (-3°C)
Last update 10 Dec 04:55 AM MST
Extended Forecast for

4 Miles ENE Afton WY

Winter Weather Advisory December 10, 05:22am until December 10, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 10, 05:22am until December 10, 05:00pm

    NOW until 5:00pm Wed

    Winter Weather Advisory

  • Overnight

    Low: 29 °F

    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain and snow before 3pm, then a slight chance of rain.  Snow level 8200 feet rising to 8800 feet in the afternoon. High near 39. West wind 11 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. West southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. West wind 8 to 11 mph, with gusts as high as 25 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. West southwest wind 6 to 8 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow.  Partly sunny, with a high near 40. West wind 7 to 9 mph.

    High: 40 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. West southwest wind 7 to 9 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

Detailed Forecast

Overnight
Rain and snow likely. Snow level 8100 feet. Cloudy, with a low around 29. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of around an inch possible.
Wednesday
Rain and snow before 3pm, then a slight chance of rain. Snow level 8200 feet rising to 8800 feet in the afternoon. High near 39. West wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 27. West southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 38. West wind 8 to 11 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 24. West southwest wind 6 to 8 mph.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 40. West wind 7 to 9 mph.
Friday Night
Partly cloudy, with a low around 20. West southwest wind 7 to 9 mph.
Saturday
Sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 40.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 25.
Tuesday
Snow showers likely. Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Afton WY
 42.74°N 110.84°W (Elev. 7999 ft)
5:01 am MST Dec 10, 2025
5am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database