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

39°F

4°C

Humidity 41%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 24 Dec 07:35 AM MST
Extended Forecast for

Buffalo WYSimilar City Names

  • Today

    Today: Mostly sunny, with a high near 60. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 53 by 4am. Breezy, with a south wind 16 to 23 mph, with gusts as high as 34 mph.

    Low: 49 °F⇑

    Mostly Cloudy
    and Breezy

  • Christmas Day

    Christmas Day: Mostly sunny, with a high near 58. Breezy, with a west southwest wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 58 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. Southwest wind around 14 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 54. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 54 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. Breezy, with a west southwest wind 15 to 17 mph, with gusts as high as 26 mph.

    Low: 30 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 39. Breezy, with a west wind 14 to 17 mph becoming north in the afternoon. Winds could gust as high as 26 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 60. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a temperature rising to around 53 by 4am. Breezy, with a south wind 16 to 23 mph, with gusts as high as 34 mph.
Christmas Day
Mostly sunny, with a high near 58. Breezy, with a west southwest wind 14 to 18 mph, with gusts as high as 28 mph.
Thursday Night
Mostly clear, with a low around 37. Southwest wind around 14 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 54. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 30. Breezy, with a west southwest wind 15 to 17 mph, with gusts as high as 26 mph.
Saturday
Partly sunny, with a high near 39. Breezy, with a west wind 14 to 17 mph becoming north in the afternoon. Winds could gust as high as 26 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 20.
Monday
Sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Buffalo WYSimilar City Names
 44.34°N 106.72°W (Elev. 4797 ft)
Last Update:
6:33 am MST Dec 24, 2025
Forecast Valid:
7am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
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