National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. 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 24%
Wind Speed SSE 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 24 Dec 11:05 AM MST
Extended Forecast for

Buffalo WY

  • Today

    Today: Mostly sunny, with a high near 59. Breezy, with a south southwest wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 59 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Breezy, with a south wind 18 to 23 mph, with gusts as high as 37 mph.

    Low: 45 °F

    Mostly Cloudy
    and Breezy

  • Christmas Day

    Christmas Day: Mostly sunny, with a high near 59. Windy, with a south southeast wind 16 to 25 mph becoming north northwest in the afternoon. Winds could gust as high as 38 mph.

    High: 59 °F

    Mostly Sunny
    and Windy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 54. Breezy, with a southwest wind 15 to 18 mph, with gusts as high as 28 mph.

    High: 54 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29. Breezy, with a west southwest wind 14 to 16 mph, with gusts as high as 24 mph.

    Low: 29 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 39. Breezy, with a west northwest wind 13 to 16 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 39 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 59. Breezy, with a south southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 45. Breezy, with a south wind 18 to 23 mph, with gusts as high as 37 mph.
Christmas Day
Mostly sunny, with a high near 59. Windy, with a south southeast wind 16 to 25 mph becoming north northwest in the afternoon. Winds could gust as high as 38 mph.
Thursday Night
Mostly clear, with a low around 36. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 54. Breezy, with a southwest wind 15 to 18 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 29. Breezy, with a west southwest wind 14 to 16 mph, with gusts as high as 24 mph.
Saturday
Partly sunny, with a high near 39. Breezy, with a west northwest wind 13 to 16 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Sunny, with a high near 46.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Partly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Buffalo WY
 44.35°N 106.69°W (Elev. 4619 ft)
Last Update:
11:01 am MST Dec 24, 2025
Forecast Valid:
11am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
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