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

37°F

3°C

Humidity 64%
Wind Speed SE 6 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 09 Dec 12:55 AM MST
Extended Forecast for

16 Miles E Smoot WY

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

    Overnight: A 40 percent chance of snow, mainly after 2am.  Areas of blowing snow. Mostly cloudy, with a steady temperature around 25. Very windy, with a west wind 41 to 45 mph, with gusts as high as 65 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Tuesday

    Tuesday: Snow. The snow could be heavy at times.  Widespread blowing snow. High near 27. Very windy, with a west wind 42 to 47 mph decreasing to 31 to 36 mph in the afternoon. Winds could gust as high as 70 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 27 °F

    Heavy Snow
    and Blowing
    Snow

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times.  Low around 24. Very windy, with a west wind 34 to 43 mph, with gusts as high as 60 mph.  Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    Low: 24 °F

    Heavy Snow
    and Very
    Windy

  • Wednesday

    Wednesday: Snow likely, mainly before noon.  Mostly cloudy, with a high near 29. Very windy, with a west wind 38 to 43 mph decreasing to 30 to 35 mph in the afternoon. Winds could gust as high as 60 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 29 °F

    Snow Likely
    and Very
    Windy

  • Wednesday Night

    Wednesday Night: A slight chance of snow before 9pm, then a slight chance of snow after 4am.  Partly cloudy, with a low around 21. Very windy, with a west wind 36 to 39 mph, with gusts as high as 55 mph.  Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Snow and Very
    Windy

  • Thursday

    Thursday: A 20 percent chance of snow.  Mostly sunny, with a high near 25. Windy, with a west wind 24 to 34 mph, with gusts as high as 49 mph.

    High: 25 °F

    Slight Chance
    Snow and
    Windy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21. Windy, with a west wind 26 to 31 mph, with gusts as high as 45 mph.

    Low: 21 °F

    Mostly Cloudy
    and Windy

  • Friday

    Friday: Partly sunny, with a high near 24. Breezy.

    High: 24 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 18. Breezy.

    Low: 18 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Overnight
A 40 percent chance of snow, mainly after 2am. Areas of blowing snow. Mostly cloudy, with a steady temperature around 25. Very windy, with a west wind 41 to 45 mph, with gusts as high as 65 mph. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow. The snow could be heavy at times. Widespread blowing snow. High near 27. Very windy, with a west wind 42 to 47 mph decreasing to 31 to 36 mph in the afternoon. Winds could gust as high as 70 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 24. Very windy, with a west wind 34 to 43 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Wednesday
Snow likely, mainly before noon. Mostly cloudy, with a high near 29. Very windy, with a west wind 38 to 43 mph decreasing to 30 to 35 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A slight chance of snow before 9pm, then a slight chance of snow after 4am. Partly cloudy, with a low around 21. Very windy, with a west wind 36 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 20%.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 25. Windy, with a west wind 24 to 34 mph, with gusts as high as 49 mph.
Thursday Night
Mostly cloudy, with a low around 21. Windy, with a west wind 26 to 31 mph, with gusts as high as 45 mph.
Friday
Partly sunny, with a high near 24. Breezy.
Friday Night
Partly cloudy, with a low around 18. Breezy.
Saturday
Mostly sunny, with a high near 25. Breezy.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 16. Blustery.
Monday
A slight chance of snow showers. Partly sunny, with a high near 24.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles E Smoot WY
 42.6°N 110.61°W (Elev. 10194 ft)
12:17 am MST Dec 9, 2025
1am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
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Additional Resources

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Hourly Weather Forecast

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