Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Clear

55°F

13°C

Humidity 26%
Wind Speed WNW 10 MPH
Barometer 29.67 in (1004.74 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 11 Dec 05:05 AM MST
Extended Forecast for

Buffalo WY

  • Today

    Today: A 40 percent chance of rain, mainly after 4pm.  Partly sunny, with a high near 53. South wind 9 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 53 °F

    Partly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: Rain and snow likely, becoming all snow after 9pm.  Cloudy, with a low around 25. North wind 5 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Friday

    Friday: A 30 percent chance of snow, mainly before 11am.  Mostly cloudy, with a high near 31. Northeast wind around 7 mph.

    High: 31 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17. Southeast wind 8 to 11 mph becoming northwest after midnight.

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 32. North wind 7 to 10 mph becoming south in the afternoon.

    High: 32 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. West southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 58. West southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 53. South wind 9 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Rain and snow likely, becoming all snow after 9pm. Cloudy, with a low around 25. North wind 5 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
A 30 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 31. Northeast wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 17. Southeast wind 8 to 11 mph becoming northwest after midnight.
Saturday
Partly sunny, with a high near 32. North wind 7 to 10 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 24. West southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 58. West southwest wind 10 to 13 mph, with gusts as high as 20 mph.
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 36.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 32. Breezy.
Wednesday
A slight chance of rain and snow. Mostly sunny, with a high near 48. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Buffalo WY
 44.32°N 106.69°W (Elev. 4846 ft)
4:47 am MST Dec 11, 2025
5am MST Dec 11, 2025-6pm MST Dec 17, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database