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

60°F

16°C

Humidity 24%
Wind Speed SW 10 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 20 Mar 02:15 PM MDT
Extended Forecast for

Old Faithful WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. Southwest wind 9 to 11 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. South southeast wind 6 to 8 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after 5pm.  Increasing clouds, with a high near 59. South wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 59 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before midnight.  Snow level 9800 feet lowering to 7700 feet after midnight . Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Light west southwest wind.

    Low: 26 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 49. Calm wind becoming west southwest around 5 mph.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. Light south wind.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 51. Calm wind becoming southwest around 5 mph.

    High: 51 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 58. Southwest wind 9 to 11 mph.
Tonight
Mostly clear, with a low around 36. South southeast wind 6 to 8 mph.
Saturday
A 20 percent chance of showers after 5pm. Increasing clouds, with a high near 59. South wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
A 30 percent chance of showers before midnight. Snow level 9800 feet lowering to 7700 feet after midnight . Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Light west southwest wind.
Sunday
Sunny, with a high near 49. Calm wind becoming west southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 25. Light south wind.
Monday
Partly sunny, with a high near 51. Calm wind becoming southwest around 5 mph.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Sunny, with a high near 58.
Wednesday Night
A slight chance of rain and snow showers. Snow level 9300 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 26.
Thursday
A slight chance of snow showers. Sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Faithful WY
 44.46°N 110.82°W (Elev. 7398 ft)
2:33 pm MDT Mar 20, 2026
3pm MDT Mar 20, 2026-6pm MDT Mar 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database