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.

light drizzle

36°F

2°C

Humidity 93%
Wind Speed SE 5 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 34°F (1°C)
Visibility 7.00 mi
Wind Chill32°F (0°C)
Last update 09 Dec 07:15 PM MST
Extended Forecast for

8 Miles NE Border ID

Winter Weather Advisory December 9, 07:38pm until December 10, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 9, 07:38pm until December 10, 05:00pm

    NOW until 5:00pm Wed

    Winter Weather Advisory

  • Tonight

    Low: 32 °F

    Snow Showers
    Likely

  • Wednesday

    Wednesday: Scattered rain and snow showers before 10am, then scattered rain showers between 10am and 4pm, then a slight chance of rain and snow showers after 4pm.  Snow level 8600 feet rising to 9100 feet in the afternoon. Mostly cloudy, with a high near 39. West wind 11 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Scattered
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. West northwest wind 6 to 10 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. West wind 6 to 9 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. West northwest wind around 7 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 37. West northwest wind around 7 mph.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. Northwest wind around 6 mph.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Tonight
Snow showers likely, mainly between 1am and 5am. Cloudy, with a low around 32. West wind 11 to 13 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Scattered rain and snow showers before 10am, then scattered rain showers between 10am and 4pm, then a slight chance of rain and snow showers after 4pm. Snow level 8600 feet rising to 9100 feet in the afternoon. Mostly cloudy, with a high near 39. West wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 29. West northwest wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 38. West wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 27. West northwest wind around 7 mph.
Friday
Mostly sunny, with a high near 37. West northwest wind around 7 mph.
Friday Night
Partly cloudy, with a low around 24. Northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
A chance of snow showers. Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NE Border ID
 42.27°N 110.94°W (Elev. 8199 ft)
6:33 pm MST Dec 9, 2025
7pm MST Dec 9, 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