Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

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

NA

24°F

-4°C

Humidity 72%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Last update 29 Jan 06:15 PM MST
Extended Forecast for

5 Miles SSW Lewis Lake WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 11. Calm wind.

    Low: 11 °F

    Mostly Cloudy

  • Friday

    Friday: Scattered snow showers, mainly after 1pm.  Mostly cloudy, with a high near 27. Calm wind becoming west southwest around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 27 °F

    Scattered
    Snow Showers

  • Friday Night

    Friday Night: Scattered snow showers, mainly before 10pm.  Mostly cloudy, with a low around 17. Southwest wind 3 to 5 mph.  Chance of precipitation is 30%.

    Low: 17 °F

    Scattered
    Snow Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 31. Calm wind becoming west southwest around 5 mph.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 35. Calm wind.

    High: 35 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. Calm wind.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow showers after 11am.  Partly sunny, with a high near 30.

    High: 30 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of snow showers before 11pm.  Mostly cloudy, with a low around 12.

    Low: 12 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 11. Calm wind.
Friday
Scattered snow showers, mainly after 1pm. Mostly cloudy, with a high near 27. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Scattered snow showers, mainly before 10pm. Mostly cloudy, with a low around 17. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 31. Calm wind becoming west southwest around 5 mph.
Saturday Night
Mostly cloudy, with a low around 13. Calm wind.
Sunday
Partly sunny, with a high near 35. Calm wind.
Sunday Night
Mostly cloudy, with a low around 16. Calm wind.
Monday
A 30 percent chance of snow showers after 11am. Partly sunny, with a high near 30.
Monday Night
A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 12.
Tuesday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 28.
Tuesday Night
Partly cloudy, with a low around 9.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 10.
Thursday
Sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Lewis Lake WY
 44.23°N 110.66°W (Elev. 8150 ft)
5:46 pm MST Jan 29, 2026
7pm MST Jan 29, 2026-6pm MST Feb 5, 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