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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Clear

46°F

8°C

Humidity 31%
Wind Speed NW 3 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 24 Dec 03:20 AM MST
Extended Forecast for

Buffalo WYSimilar City Names

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. West southwest wind 5 to 8 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: 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

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. Breezy, with a south wind 16 to 23 mph, with gusts as high as 34 mph.

    Low: 48 °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.

    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

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. West southwest wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 60. South southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 48. 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.
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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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Buffalo WYSimilar City Names
 44.34°N 106.72°W (Elev. 4797 ft)
Last Update:
3:31 am MST Dec 24, 2025
Forecast Valid:
3am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
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