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

46°F

8°C

Humidity 36%
Wind Speed WNW 9 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 26 Dec 03:05 AM MST
Extended Forecast for

21 Miles SW Buffalo WY

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 34. Breezy, with a west wind around 15 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Snow likely, mainly after 5pm.  Patchy blowing snow after 4pm. Mostly sunny, with a high near 38. Breezy, with a southwest wind 16 to 24 mph, with gusts as high as 33 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 9pm.  Patchy blowing snow between 8pm and 11pm. Mostly cloudy, with a low around 23. Breezy, with a west wind 15 to 20 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Saturday

    Saturday: A 30 percent chance of snow after 11am.  Mostly sunny, with a high near 29. Breezy, with a west southwest wind 13 to 23 mph, with gusts as high as 38 mph.

    High: 29 °F

    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 3. North northwest wind 6 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 3 °F

    Snow Likely
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 14. West northwest wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 14 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 7. West wind 8 to 11 mph.

    Low: 7 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 34. Breezy, with a west wind around 15 mph, with gusts as high as 23 mph.
Friday
Snow likely, mainly after 5pm. Patchy blowing snow after 4pm. Mostly sunny, with a high near 38. Breezy, with a southwest wind 16 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely, mainly before 9pm. Patchy blowing snow between 8pm and 11pm. Mostly cloudy, with a low around 23. Breezy, with a west wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
A 30 percent chance of snow after 11am. Mostly sunny, with a high near 29. Breezy, with a west southwest wind 13 to 23 mph, with gusts as high as 38 mph.
Saturday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 3. North northwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
Mostly sunny, with a high near 14. West northwest wind 8 to 11 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 7. West wind 8 to 11 mph.
Monday
Sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Partly cloudy, with a low around 24.
New Year's Day
Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SW Buffalo WY
 44.09°N 106.96°W (Elev. 7999 ft)
2:32 am MST Dec 26, 2025
3am MST Dec 26, 2025-6pm MST Jan 1, 2026
 
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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