Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Afton WY (KAFO)

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

Overcast

34°F

1°C

Humidity 74%
Wind Speed SSE 5 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 08 Dec 07:55 PM MST
Extended Forecast for

16 Miles SE Smoot WY

Winter Weather Advisory December 9, 05:00am until December 10, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: Scattered snow showers, mainly after 10pm.  Patchy blowing snow. Mostly cloudy, with a temperature rising to around 27 by 5am. Windy, with a west wind 20 to 26 mph, with gusts as high as 37 mph.  Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 22 °F

    Scattered
    Snow Showers
    and Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Snow showers, mainly after 8am.  Areas of blowing snow. High near 29. Windy, with a west wind 22 to 29 mph, with gusts as high as 40 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 29 °F

    Snow Showers
    and Areas
    Blowing Snow

  • Tuesday Night

    Tuesday Night: Snow showers.  Low around 27. Windy, with a west wind 24 to 32 mph, with gusts as high as 45 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 27 °F

    Snow Showers
    and Windy

  • Wednesday

    Wednesday: Snow showers likely, mainly before 11am.  Mostly cloudy, with a high near 30. Windy, with a west wind 23 to 31 mph, with gusts as high as 44 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 30 °F

    Snow Showers
    Likely and
    Windy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers.  Mostly cloudy, with a low around 28. Windy, with a west wind 26 to 30 mph, with gusts as high as 46 mph.

    Low: 28 °F

    Slight Chance
    Snow Showers
    and Windy

  • Thursday

    Thursday: A 20 percent chance of snow showers before 11am.  Mostly sunny, with a high near 31. Windy, with a west wind 23 to 28 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 31 °F

    Slight Chance
    Snow Showers
    and Windy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27. Breezy, with a west wind 20 to 22 mph, with gusts as high as 31 mph.

    Low: 27 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 31. Blustery.

    High: 31 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. Breezy.

    Low: 23 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
Scattered snow showers, mainly after 10pm. Patchy blowing snow. Mostly cloudy, with a temperature rising to around 27 by 5am. Windy, with a west wind 20 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow showers, mainly after 8am. Areas of blowing snow. High near 29. Windy, with a west wind 22 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
Snow showers. Low around 27. Windy, with a west wind 24 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Wednesday
Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 30. Windy, with a west wind 23 to 31 mph, with gusts as high as 44 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 28. Windy, with a west wind 26 to 30 mph, with gusts as high as 46 mph.
Thursday
A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 31. Windy, with a west wind 23 to 28 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph.
Thursday Night
Mostly cloudy, with a low around 27. Breezy, with a west wind 20 to 22 mph, with gusts as high as 31 mph.
Friday
Mostly cloudy, with a high near 31. Blustery.
Friday Night
Mostly cloudy, with a low around 23. Breezy.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
A slight chance of snow showers. Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SE Smoot WY
 42.44°N 110.7°W (Elev. 9692 ft)
7:48 pm MST Dec 8, 2025
8pm MST Dec 8, 2025-6pm MST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database