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

4 Miles SE Story WY

  • Overnight

    Overnight: Mostly clear, with a low around 33. Southwest wind 8 to 14 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of rain after 4pm.  Sunny, with a high near 53. Windy, with a south southeast wind 16 to 21 mph becoming southwest 23 to 28 mph in the morning. Winds could gust as high as 39 mph.

    High: 53 °F

    Windy. Mostly
    Sunny then
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain and snow, mainly before 7pm.  Partly cloudy, with a low around 31. Windy, with a west southwest wind 20 to 25 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 36 mph.  Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow and
    Windy then
    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow after 11am.  Increasing clouds, with a high near 44. Breezy, with a southwest wind 13 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph.  New snow accumulation of less than one inch possible.

    High: 44 °F

    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: A 50 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 4. Blustery, with a north northwest wind 9 to 18 mph, with gusts as high as 28 mph.  New snow accumulation of around an inch possible.

    Low: 4 °F

    Chance Snow
    and Blustery
    then Slight
    Chance Snow

  • Sunday

    Sunday: Sunny, with a high near 22. North northwest wind around 10 mph.

    High: 22 °F

    Sunny

  • Sunday Night

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

    Low: 11 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 33. Southwest wind 8 to 14 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of rain after 4pm. Sunny, with a high near 53. Windy, with a south southeast wind 16 to 21 mph becoming southwest 23 to 28 mph in the morning. Winds could gust as high as 39 mph.
Friday Night
A chance of rain and snow, mainly before 7pm. Partly cloudy, with a low around 31. Windy, with a west southwest wind 20 to 25 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 36 mph. Chance of precipitation is 30%.
Saturday
A 40 percent chance of snow after 11am. Increasing clouds, with a high near 44. Breezy, with a southwest wind 13 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph. New snow accumulation of less than one inch possible.
Saturday Night
A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 4. Blustery, with a north northwest wind 9 to 18 mph, with gusts as high as 28 mph. New snow accumulation of around an inch possible.
Sunday
Sunny, with a high near 22. North northwest wind around 10 mph.
Sunday Night
Mostly clear, with a low around 11. West southwest wind around 8 mph.
Monday
Sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 24.
New Year's Day
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Story WY
 44.53°N 106.84°W (Elev. 4800 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