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.

Partly Cloudy

30°F

-1°C

Humidity 63%
Wind Speed S 8 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 10 Dec 02:35 AM MST
Extended Forecast for

18 Miles ENE Ten Sleep WY

Winter Weather Advisory December 10, 02:53am until December 10, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 10, 02:53am until December 10, 05:00pm

    NOW until 5:00pm Wed

    Winter Weather Advisory

  • Overnight

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly before 2pm. 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 36. Windy, with a west northwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 48 mph.  New snow accumulation of 3 to 7 inches possible.

    High: 36 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Windy, with a west northwest wind 20 to 25 mph, with gusts as high as 45 mph.

    Low: 29 °F

    Partly Cloudy
    and Windy

  • Thursday

    Thursday: A 20 percent chance of snow after 4pm.  Increasing clouds, with a high near 35. Breezy, with a west wind around 23 mph, with gusts as high as 46 mph.

    High: 35 °F

    Breezy. Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 22. Blustery, with a west northwest wind 10 to 17 mph, with gusts as high as 33 mph.  New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Chance Snow
    and Blustery

  • Friday

    Friday: A 20 percent chance of snow before 11am.  Partly sunny, with a high near 31. Breezy, with a west wind 14 to 21 mph, with gusts as high as 39 mph.

    High: 31 °F

    Breezy.
    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23. Windy, with a west wind 23 to 25 mph, with gusts as high as 44 mph.

    Low: 23 °F

    Partly Cloudy
    and Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 31. Blustery.

    High: 31 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 17. Northwest wind around 10 mph.
Wednesday
A 50 percent chance of snow, mainly before 2pm. 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 36. Windy, with a west northwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 48 mph. New snow accumulation of 3 to 7 inches possible.
Wednesday Night
Partly cloudy, with a low around 29. Windy, with a west northwest wind 20 to 25 mph, with gusts as high as 45 mph.
Thursday
A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 35. Breezy, with a west wind around 23 mph, with gusts as high as 46 mph.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22. Blustery, with a west northwest wind 10 to 17 mph, with gusts as high as 33 mph. New snow accumulation of 1 to 3 inches possible.
Friday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 31. Breezy, with a west wind 14 to 21 mph, with gusts as high as 39 mph.
Friday Night
Partly cloudy, with a low around 23. Windy, with a west wind 23 to 25 mph, with gusts as high as 44 mph.
Saturday
Mostly sunny, with a high near 31. Blustery.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 24. Blustery.
Tuesday
Partly 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)
1:33 am MST Dec 10, 2025
2am 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