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

Areas of Excessive Rainfall; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall Wednesday may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Saturday. Two tropical waves in the Atlantic are being monitored for tropical cyclone formation within the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

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

NA

48°F

9°C

Humidity 60%
Wind Speed ESE 3 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 23 Sep 08:15 PM MDT
Extended Forecast for

5 Miles SSW Lewis Lake WY

  • Tonight

    Tonight: Mostly clear, with a low around 30. Light and variable wind.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 64. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. West southwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. Light and variable wind becoming west southwest 5 to 7 mph in the morning.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 34. West southwest wind around 5 mph becoming calm after midnight.

    Low: 34 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 30. Light and variable wind.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 64. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 34. Light and variable wind.
Thursday
Sunny, with a high near 66. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 34. West southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 64. Light and variable wind becoming west southwest 5 to 7 mph in the morning.
Friday Night
Clear, with a low around 34. West southwest wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 37.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 36.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 60.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 36.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Lewis Lake WY
 44.23°N 110.66°W (Elev. 8150 ft)
Last Update:
2:29 pm MDT Sep 23, 2025
Forecast Valid:
8pm MDT Sep 23, 2025-6pm MDT Sep 30, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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