Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

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

NA

33°F

1°C

Humidity 82%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 21 Mar 01:15 AM MDT
Extended Forecast for

5 Miles WNW West Thumb WY

  • Overnight

    Overnight: Mostly clear, with a low around 32. South wind around 7 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 54. South southwest wind 6 to 8 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Snow level 9800 feet lowering to 8400 feet after midnight . Mostly cloudy, then gradually becoming mostly clear, with a low around 24. West southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 24 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 44. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. West southwest wind around 5 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow showers after midnight.  Mostly cloudy, with a low around 27. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Tuesday

    Tuesday: A chance of snow showers before noon, then a chance of rain and snow showers.  Snow level rising to 9100 feet in the afternoon. Mostly cloudy, with a high near 47. Chance of precipitation is 40%.

    High: 47 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly before midnight.  Snow level 9500 feet. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 32. South wind around 7 mph.
Saturday
Mostly sunny, with a high near 54. South southwest wind 6 to 8 mph.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Snow level 9800 feet lowering to 8400 feet after midnight . Mostly cloudy, then gradually becoming mostly clear, with a low around 24. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 44. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 21. West southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Monday
Mostly sunny, with a high near 47. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 27. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
A chance of snow showers before noon, then a chance of rain and snow showers. Snow level rising to 9100 feet in the afternoon. Mostly cloudy, with a high near 47. Chance of precipitation is 40%.
Tuesday Night
A 40 percent chance of showers, mainly before midnight. Snow level 9500 feet. Mostly cloudy, with a low around 33.
Wednesday
A chance of rain and snow showers before noon, then a chance of rain showers. Snow level 8900 feet. Partly sunny, with a high near 49. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 26.
Thursday
A chance of snow showers. Partly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 45.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW West Thumb WY
 44.45°N 110.66°W (Elev. 8399 ft)
12:47 am MDT Mar 21, 2026
2am MDT Mar 21, 2026-6pm MDT Mar 27, 2026
 
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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