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 >

Hazardous Weather Conditions

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Clear

32°F

0°C

Humidity 59%
Wind Speed SE 5 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 10 Dec 01:20 AM MST
Extended Forecast for

Buffalo WY

  • Overnight

    Overnight: Mostly cloudy, with a low around 30. North northwest wind 5 to 7 mph becoming south.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow before 11am, then a chance of rain between 11am and 2pm.  Mostly cloudy, with a high near 47. South southeast wind 5 to 11 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. Breezy, with a south southwest wind 9 to 15 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Thursday

    Thursday: A slight chance of rain between 2pm and 5pm, then a chance of rain and snow.  Partly sunny, with a high near 54. Breezy, with a south southwest wind 9 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 30%.

    High: 54 °F

    Breezy.
    Partly Sunny
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 9pm, then a chance of snow.  Cloudy, with a low around 23. Blustery, with a north wind 17 to 22 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 32 mph.  Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Chance
    Rain/Snow and
    Blustery then
    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow before 11am.  Mostly cloudy, with a high near 35. East northeast wind 3 to 5 mph.

    High: 35 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. South wind 5 to 8 mph becoming northwest after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 30. North northwest wind 5 to 7 mph becoming south.
Wednesday
A chance of snow before 11am, then a chance of rain between 11am and 2pm. Mostly cloudy, with a high near 47. South southeast wind 5 to 11 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday Night
Mostly cloudy, with a low around 42. Breezy, with a south southwest wind 9 to 15 mph, with gusts as high as 20 mph.
Thursday
A slight chance of rain between 2pm and 5pm, then a chance of rain and snow. Partly sunny, with a high near 54. Breezy, with a south southwest wind 9 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow before 9pm, then a chance of snow. Cloudy, with a low around 23. Blustery, with a north wind 17 to 22 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Friday
A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 35. East northeast wind 3 to 5 mph.
Friday Night
Mostly cloudy, with a low around 21. South wind 5 to 8 mph becoming northwest after midnight.
Saturday
Partly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Buffalo WY
 44.35°N 106.69°W (Elev. 4619 ft)
12:01 am MST Dec 10, 2025
1am 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