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

32°F

0°C

Humidity 100%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 06 Sep 07:15 AM MDT
Extended Forecast for

Lewis Lake WY

  • Today

    Today: A 20 percent chance of showers after 5pm. Increasing clouds, with a high near 70. South southwest wind 7 to 9 mph.

    High: 70 °F

    Sunny then
    Slight Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 3am, then showers likely and possibly a thunderstorm after 4am. Low around 40. South wind 3 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Showers

  • Labor Day

    Labor Day: Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 53. Breezy, with a southwest wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    High: 53 °F

    Breezy.
    Showers
    Likely then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. Breezy, with a south southwest wind 7 to 16 mph, with gusts as high as 30 mph.

    Low: 33 °F

    Mostly Clear
    and Breezy
    then Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57. West southwest wind 7 to 9 mph, with gusts as high as 22 mph.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. West wind 5 to 7 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63. Light and variable wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 22 mph.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 5pm. Increasing clouds, with a high near 70. South southwest wind 7 to 9 mph.
Tonight
Showers and thunderstorms, mainly before 3am, then showers likely and possibly a thunderstorm after 4am. Low around 40. South wind 3 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Labor Day
Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 53. Breezy, with a southwest wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday Night
Mostly clear, with a low around 33. Breezy, with a south southwest wind 7 to 16 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 57. West southwest wind 7 to 9 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 35. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 63. Light and variable wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 40.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 64.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 40.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewis Lake WY
 44.28°N 110.61°W (Elev. 8107 ft)
Last Update:
6:31 am MDT Sep 6, 2026
Forecast Valid:
8am MDT Sep 6, 2026-6pm MDT Sep 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation