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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

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

NA

58°F

14°C

Humidity 23%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 17 Oct 04:15 PM MDT
Extended Forecast for

6 Miles WSW West Thumb WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 54. Southwest wind around 11 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. Southwest wind 3 to 8 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 54. Light south wind becoming southwest 6 to 11 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 32. Light and variable wind becoming south around 6 mph.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 54. Southwest wind around 11 mph.
Tonight
Mostly clear, with a low around 32. Southwest wind 3 to 8 mph.
Sunday
Mostly sunny, with a high near 54. Light south wind becoming southwest 6 to 11 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 32. Light and variable wind becoming south around 6 mph.
Monday
Sunny, with a high near 54. Light and variable wind.
Monday Night
Partly cloudy, with a low around 35. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 53. Calm wind.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 55.
Thursday Night
Showers likely. Mostly cloudy, with a low around 37.
Friday
Rain and snow showers. Mostly cloudy, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW West Thumb WY
 44.38°N 110.68°W (Elev. 7789 ft)
Last Update:
3:31 pm MDT Oct 17, 2026
Forecast Valid:
4pm MDT Oct 17, 2026-6pm MDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation