Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

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

NA

27°F

-3°C

Humidity 57%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Last update 20 Jan 02:15 PM MST
Extended Forecast for

5 Miles SSW Lewis Lake WY

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 14. West wind 3 to 5 mph.

    High: 14 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around -2. Wind chill values as low as -10. West southwest wind 3 to 6 mph.

    Low: -2 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, then becoming mostly cloudy during the afternoon, with a high near 19. Wind chill values as low as -10. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 19 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 5. Calm wind.

    Low: 5 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 23. Calm wind.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 0. Calm wind.

    Low: 0 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after 11am.  Mostly sunny, with a high near 18. Calm wind becoming north around 5 mph in the afternoon.

    High: 18 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around -10.

    Low: -10 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 14.

    High: 14 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 14. West wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around -2. Wind chill values as low as -10. West southwest wind 3 to 6 mph.
Wednesday
Sunny, then becoming mostly cloudy during the afternoon, with a high near 19. Wind chill values as low as -10. Light southwest wind increasing to 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 5. Calm wind.
Thursday
Mostly sunny, with a high near 23. Calm wind.
Thursday Night
Partly cloudy, with a low around 0. Calm wind.
Friday
A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 18. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around -10.
Saturday
Sunny, with a high near 14.
Saturday Night
Partly cloudy, with a low around -4.
Sunday
Mostly sunny, with a high near 17.
Sunday Night
Partly cloudy, with a low around 0.
Monday
A slight chance of snow showers. Mostly sunny, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Lewis Lake WY
 44.23°N 110.66°W (Elev. 8150 ft)
2:31 pm MST Jan 20, 2026
3pm MST Jan 20, 2026-6pm MST Jan 26, 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