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

Buffalo - Johnson County Airport (KBYG)

Lat: 44.38122°NLon: 106.71947°WElev: 4925.0ft.

Clear

32°F

0°C

Humidity 80%
Wind Speed NNW 25 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 09 Dec 06:05 PM MST
Extended Forecast for

18 Miles ENE Ten Sleep WY

Winter Weather Advisory December 9, 06:22pm until December 10, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 9, 06:22pm until December 10, 05:00pm

    NOW until 5:00pm Wed

    Winter Weather Advisory

  • Tonight

    Low: 18 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Wednesday

    Wednesday: Snow showers likely, mainly between 8am and 9am. The snow could be heavy at times.  Areas of blowing snow before 3pm, then patchy blowing snow after 4pm. Mostly cloudy, with a high near 35. Breezy, with a west wind 13 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 60%. New snow accumulation of 6 to 10 inches possible.

    High: 35 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers before 11pm.  Mostly cloudy, with a low around 30. Breezy, with a west wind 16 to 20 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow showers after 11am.  Mostly sunny, with a high near 36. Breezy, with a west wind around 18 mph, with gusts as high as 28 mph.

    High: 36 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers.  Mostly cloudy, with a low around 23. Blustery, with a west northwest wind 8 to 15 mph, with gusts as high as 22 mph.  New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Chance Snow
    Showers and
    Blustery

  • Friday

    Friday: A 30 percent chance of snow showers before 11am.  Partly sunny, with a high near 31. West wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 31 °F

    Chance Snow
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21. Breezy, with a west wind 14 to 16 mph, with gusts as high as 24 mph.

    Low: 21 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Tonight
Isolated snow showers before 7pm, then scattered snow showers after 2am. The snow could be heavy at times. Patchy blowing snow before 10pm. Increasing clouds, with a low around 18. Blustery, with a west northwest wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 30%.
Wednesday
Snow showers likely, mainly between 8am and 9am. The snow could be heavy at times. Areas of blowing snow before 3pm, then patchy blowing snow after 4pm. Mostly cloudy, with a high near 35. Breezy, with a west wind 13 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of 6 to 10 inches possible.
Wednesday Night
A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 30. Breezy, with a west wind 16 to 20 mph, with gusts as high as 30 mph.
Thursday
A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 36. Breezy, with a west wind around 18 mph, with gusts as high as 28 mph.
Thursday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 23. Blustery, with a west northwest wind 8 to 15 mph, with gusts as high as 22 mph. New snow accumulation of 1 to 2 inches possible.
Friday
A 30 percent chance of snow showers before 11am. Partly sunny, with a high near 31. West wind 9 to 14 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 21. Breezy, with a west wind 14 to 16 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly sunny, with a high near 34. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles ENE Ten Sleep WY
 44.17°N 107.12°W (Elev. 9685 ft)
5:17 pm MST Dec 9, 2025
6pm 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