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

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

TOWER FALLS RANGER STATION AT YELLOWSTONE NP (TFAW4)

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

NA

5°F

-15°C

Humidity 85%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 1°F (-17°C)
Visibility NA
Last update 30 Dec 02:15 AM MST
Extended Forecast for

Canyon WY

  • Overnight

    Overnight: Partly cloudy, with a low around 4. Calm wind.

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 30. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 30 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 9. Southwest wind 3 to 6 mph.

    Low: 9 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 14. Calm wind.

    Low: 14 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 30 percent chance of snow showers after 11am. Mostly cloudy, with a high near 31. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 31 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers, mainly before 11pm. Cloudy, with a low around 22. Light southwest wind.

    Low: 22 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 30 percent chance of snow showers, mainly after 11am. Cloudy, with a high near 32.

    High: 32 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 4. Calm wind.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 30. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 9. Southwest wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 34. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 14. Calm wind.
New Year's Day
A 30 percent chance of snow showers after 11am. Mostly cloudy, with a high near 31. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
A 30 percent chance of snow showers, mainly before 11pm. Cloudy, with a low around 22. Light southwest wind.
Friday
A 30 percent chance of snow showers, mainly after 11am. Cloudy, with a high near 32.
Friday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 26.
Saturday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 33.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 18.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
A slight chance of snow showers. Mostly cloudy, with a high near 27.
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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:
3:33 am MST Dec 30, 2025
Forecast Valid:
3am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
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