Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

Lat: 44.456667°NLon: 110.849444°WElev: 7332.0ft.

NA

33°F

1°C

Humidity 71%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 12 Feb 05:15 PM MST
Extended Forecast for

5 Miles SSW Lewis Lake WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. Light south southwest wind.

    Low: 18 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow showers between noon and 2pm.  Mostly cloudy, with a high near 28. South southwest wind 3 to 8 mph.  Chance of precipitation is 20%.

    High: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15. Calm wind.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow showers after 11am.  Mostly cloudy, with a high near 31. South wind 3 to 7 mph. Winds could gust as high as 20 mph.

    High: 31 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19. South wind around 5 mph.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow showers after 11am.  Mostly cloudy, with a high near 34. South wind 5 to 9 mph, with gusts as high as 24 mph.

    High: 34 °F

    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers.  Mostly cloudy, with a low around 18. South wind around 8 mph.

    Low: 18 °F

    Chance Snow
    Showers

  • Washington's Birthday

    Washington's Birthday: Snow showers likely, mainly after 11am.  Mostly cloudy, with a high near 32. Chance of precipitation is 60%.

    High: 32 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: Snow showers.  Low around 21. Chance of precipitation is 90%.

    Low: 21 °F

    Snow Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 18. Light south southwest wind.
Friday
A slight chance of snow showers between noon and 2pm. Mostly cloudy, with a high near 28. South southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 15. Calm wind.
Saturday
A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 31. South wind 3 to 7 mph. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 19. South wind around 5 mph.
Sunday
A 30 percent chance of snow showers after 11am. Mostly cloudy, with a high near 34. South wind 5 to 9 mph, with gusts as high as 24 mph.
Sunday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 18. South wind around 8 mph.
Washington's Birthday
Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
Monday Night
Snow showers. Low around 21. Chance of precipitation is 90%.
Tuesday
Snow showers. High near 26. Breezy. Chance of precipitation is 100%.
Tuesday Night
Snow showers. Mostly cloudy, with a low around 10.
Wednesday
Snow showers. Mostly cloudy, with a high near 21.
Wednesday Night
Snow showers. Mostly cloudy, with a low around 9.
Thursday
Snow showers. Mostly cloudy, with a high near 21.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Lewis Lake WY
 44.23°N 110.66°W (Elev. 8150 ft)
5:01 pm MST Feb 12, 2026
5pm MST Feb 12, 2026-6pm MST Feb 19, 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