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

OLD FAITHFUL RANGER STATION (OFAW4)

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

NA

24°C

75°F

Humidity 27%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 4°C (39°F)
Visibility NA
Last update 12 Jul 07:15 PM MDT
Extended Forecast for

Lewis Lake WY

  • Tonight

    Tonight: Clear, with a low around 6. West wind 5 to 10 km/h becoming calm in the evening.

    Low: 6 °C

    Clear

  • Sunday

    Sunday: Sunny, with a high near 24. Light and variable wind becoming west 11 to 16 km/h in the morning.

    High: 24 °C

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 9. West wind 5 to 10 km/h becoming calm in the evening.

    Low: 9 °C

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 24. Light and variable wind becoming west southwest 6 to 11 km/h in the morning.

    High: 24 °C

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 8. West wind 5 to 10 km/h becoming east after midnight.

    Low: 8 °C

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 23. East wind 8 to 14 km/h becoming west in the afternoon. Winds could gust as high as 32 km/h. Chance of precipitation is 50%.

    High: 23 °C

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 6. West northwest wind around 11 km/h becoming east northeast after midnight.

    Low: 6 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 21.

    High: 21 °C

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 5.

    Low: 5 °C

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 6. West wind 5 to 10 km/h becoming calm in the evening.
Sunday
Sunny, with a high near 24. Light and variable wind becoming west 11 to 16 km/h in the morning.
Sunday Night
Mostly clear, with a low around 9. West wind 5 to 10 km/h becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 24. Light and variable wind becoming west southwest 6 to 11 km/h in the morning.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 8. West wind 5 to 10 km/h becoming east after midnight.
Tuesday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 23. East wind 8 to 14 km/h becoming west in the afternoon. Winds could gust as high as 32 km/h. Chance of precipitation is 50%.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 6. West northwest wind around 11 km/h becoming east northeast after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 21.
Wednesday Night
Mostly clear, with a low around 5.
Thursday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 23.
Thursday Night
Mostly clear, with a low around 6.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 23.
Friday Night
Mostly clear, with a low around 7.
Saturday
Sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewis Lake WY
 44.28°N 110.61°W (Elev. 8107 m)
Last Update:
5:43 pm MDT Jul 12, 2025
Forecast Valid:
8pm MDT Jul 12, 2025-6pm MDT Jul 19, 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