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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. 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

30°F

-1°C

Humidity 75%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 07 Dec 06:15 PM MST
Extended Forecast for

Canyon WY

  • Tonight

    Tonight: Snow showers, mainly before 11pm. Steady temperature around 24. West southwest wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 24 °F

    Snow Showers
    then
    Scattered
    Snow Showers

  • Monday

    Monday: Isolated snow showers after 2pm. Patchy blowing snow between 1pm and 3pm. Mostly cloudy, with a high near 29. Breezy, with a west southwest wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 29 °F

    Isolated Snow
    Showers and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Snow showers. Low around 22. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Snow Showers
    and Breezy

  • Tuesday

    Tuesday: Snow showers. High near 32. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow Showers
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow showers. Low around 24. West southwest wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 24 °F

    Snow Showers

  • Wednesday

    Wednesday: Snow showers. High near 35. Breezy, with a west southwest wind 11 to 16 mph, with gusts as high as 38 mph. Chance of precipitation is 100%.

    High: 35 °F

    Snow Showers
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow showers likely. Mostly cloudy, with a low around 26. Breezy, with a west wind 11 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 70%.

    Low: 26 °F

    Snow Showers
    Likely and
    Breezy

  • Thursday

    Thursday: Snow showers likely. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.

    High: 33 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Snow showers, mainly before 11pm. Steady temperature around 24. West southwest wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Monday
Isolated snow showers after 2pm. Patchy blowing snow between 1pm and 3pm. Mostly cloudy, with a high near 29. Breezy, with a west southwest wind 8 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Monday Night
Snow showers. Low around 22. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow showers. High near 32. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow showers. Low around 24. West southwest wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Wednesday
Snow showers. High near 35. Breezy, with a west southwest wind 11 to 16 mph, with gusts as high as 38 mph. Chance of precipitation is 100%.
Wednesday Night
Snow showers likely. Mostly cloudy, with a low around 26. Breezy, with a west wind 11 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 70%.
Thursday
Snow showers likely. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 22.
Friday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 33.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 33.
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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:
5:16 pm MST Dec 7, 2025
Forecast Valid:
6pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation