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

TOWER FALLS RANGER STATION AT YELLOWSTONE NP (TFAW4)

Lat: 44.916944°NLon: 110.420556°WElev: 6279.0ft.

NA

42°F

6°C

Humidity 84%
Wind Speed ENE 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 25 Dec 10:15 AM MST
Extended Forecast for

Canyon WY

  • Christmas Day

    Christmas Day: Scattered snow showers, mainly before 1pm. Some thunder is also possible. Mostly cloudy, with a high near 35. Breezy, with a southwest wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 35 °F

    Scattered
    Snow Showers
    and Breezy

  • Tonight

    Tonight: Snow showers. Low around 25. Breezy, with a south southwest wind 8 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Scattered
    Snow Showers
    then Snow
    Showers and
    Breezy

  • Friday

    Friday: Snow showers, mainly before 2pm. The snow could be heavy at times. Patchy blowing snow after 8am. High near 31. Breezy, with a south southwest wind 13 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 31 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Scattered snow showers before 11pm, then snow likely after 11pm. Mostly cloudy, with a low around 14. Breezy, with a southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 14 °F

    Snow Likely
    and Breezy

  • Saturday

    Saturday: Snow. High near 22. Southwest wind 8 to 11 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 22 °F

    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around -6. West northwest wind around 6 mph becoming calm in the evening.

    Low: -6 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 14. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 14 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

Detailed Forecast

Christmas Day
Scattered snow showers, mainly before 1pm. Some thunder is also possible. Mostly cloudy, with a high near 35. Breezy, with a southwest wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Tonight
Snow showers. Low around 25. Breezy, with a south southwest wind 8 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow showers, mainly before 2pm. The snow could be heavy at times. Patchy blowing snow after 8am. High near 31. Breezy, with a south southwest wind 13 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Scattered snow showers before 11pm, then snow likely after 11pm. Mostly cloudy, with a low around 14. Breezy, with a southwest wind 10 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday
Snow. High near 22. Southwest wind 8 to 11 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around -6. West northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 14. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around -2.
Monday
Mostly sunny, with a high near 22.
Monday Night
Mostly cloudy, with a low around 5.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 10.
Wednesday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Canyon WY
 44.74°N 110.47°W (Elev. 8258 ft)
Last Update:
9:17 am MST Dec 25, 2025
Forecast Valid:
10am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation