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

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

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

NA

83°F

28°C

Humidity 14%
Wind Speed SSE 7 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Heat Index80°F (27°C)
Last update 10 Jul 05:15 PM MDT
Extended Forecast for

8 Miles W South Entrance WY

  • Tonight

    Tonight: Mostly clear, with a low around 48. Calm wind becoming east around 5 mph after midnight.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Light and variable wind becoming west southwest 5 to 7 mph in the morning.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Calm wind becoming east 5 to 7 mph after midnight.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 95. East wind 5 to 7 mph becoming southwest in the afternoon.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. West southwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Light and variable wind.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. Calm wind becoming east around 6 mph after midnight.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Calm wind becoming east around 5 mph after midnight.
Saturday
Sunny, with a high near 89. Light and variable wind becoming west southwest 5 to 7 mph in the morning.
Saturday Night
Mostly clear, with a low around 51. Calm wind becoming east 5 to 7 mph after midnight.
Sunday
Sunny, with a high near 95. East wind 5 to 7 mph becoming southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 52. West southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 94. Light and variable wind.
Monday Night
Partly cloudy, with a low around 54. Calm wind becoming east around 6 mph after midnight.
Tuesday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90.
Tuesday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W South Entrance WY
 44.13°N 110.82°W (Elev. 7201 ft)
Last Update:
5:17 pm MDT Jul 10, 2026
Forecast Valid:
6pm MDT Jul 10, 2026-6pm MDT Jul 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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