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

66°F

19°C

Humidity 16%
Wind Speed SSW 10 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 24 Dec 01:35 PM MST
Extended Forecast for

13 Miles S Story WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 35. Windy, with a southwest wind 23 to 32 mph, with gusts as high as 48 mph.

    High: 35 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Snow showers likely, mainly after midnight. Increasing clouds, with a steady temperature around 31. Very windy, with a southwest wind 38 to 43 mph, with gusts as high as 70 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 31 °F

    Snow Showers
    Likely and
    Very Windy

  • Christmas Day

    Christmas Day: Snow showers, mainly before 11am. High near 32. Very windy, with a southwest wind 30 to 38 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow Showers
    and Very
    Windy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. Windy, with a west southwest wind 28 to 31 mph, with gusts as high as 47 mph.

    Low: 18 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: A 30 percent chance of snow showers after 11am. Partly sunny, with a high near 26. Windy, with a west southwest wind around 31 mph, with gusts as high as 49 mph.

    High: 26 °F

    Chance Snow
    Showers and
    Windy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 11. Windy, with a west southwest wind 26 to 30 mph, with gusts as high as 46 mph.

    Low: 11 °F

    Windy. Slight
    Chance Snow
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Snow showers likely after 11am. Mostly cloudy, with a high near 18. Windy, with a west wind 23 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.

    High: 18 °F

    Snow Showers
    Likely and
    Windy

  • Saturday Night

    Saturday Night: A 50 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around -6. Blustery.

    Low: -6 °F

    Chance Snow
    Showers and
    Blustery

  • Sunday

    Sunday: Sunny and cold, with a high near 9. Blustery.

    High: 9 °F

    Cold and
    Blustery

Detailed Forecast

This Afternoon
Sunny, with a high near 35. Windy, with a southwest wind 23 to 32 mph, with gusts as high as 48 mph.
Tonight
Snow showers likely, mainly after midnight. Increasing clouds, with a steady temperature around 31. Very windy, with a southwest wind 38 to 43 mph, with gusts as high as 70 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Christmas Day
Snow showers, mainly before 11am. High near 32. Very windy, with a southwest wind 30 to 38 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Partly cloudy, with a low around 18. Windy, with a west southwest wind 28 to 31 mph, with gusts as high as 47 mph.
Friday
A 30 percent chance of snow showers after 11am. Partly sunny, with a high near 26. Windy, with a west southwest wind around 31 mph, with gusts as high as 49 mph.
Friday Night
A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 11. Windy, with a west southwest wind 26 to 30 mph, with gusts as high as 46 mph.
Saturday
Snow showers likely after 11am. Mostly cloudy, with a high near 18. Windy, with a west wind 23 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around -6. Blustery.
Sunday
Sunny and cold, with a high near 9. Blustery.
Sunday Night
Mostly clear, with a low around 1. Breezy.
Monday
Sunny, with a high near 23. Breezy.
Monday Night
Partly cloudy, with a low around 13. Breezy.
Tuesday
Mostly sunny, with a high near 30. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles S Story WY
 44.42°N 107.16°W (Elev. 10400 ft)
Last Update:
1:18 pm MST Dec 24, 2025
Forecast Valid:
1pm MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation