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

36°F

2°C

Humidity 62%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 21 Mar 02:15 AM MDT
Extended Forecast for

Old Faithful WY

  • Overnight

    Overnight: Mostly clear, with a low around 36. South southeast wind around 8 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 59. South wind 5 to 9 mph becoming west southwest in the afternoon.

    High: 59 °F

    Increasing
    Clouds

  • 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 27. Light west southwest wind.

    Low: 27 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48. Calm wind becoming west southwest around 5 mph.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. Light south wind.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52. Calm wind becoming southwest around 5 mph.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain and snow showers after midnight.  Snow level 7700 feet. Mostly cloudy, with a low around 29. Light south southwest wind.  Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow showers before noon, then a chance of rain showers.  Snow level 7900 feet rising to 9100 feet in the afternoon. Partly sunny, with a high near 53. Chance of precipitation is 40%.

    High: 53 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before midnight.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 36. South southeast wind around 8 mph.
Saturday
Increasing clouds, with a high near 59. South wind 5 to 9 mph becoming west southwest in the afternoon.
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 27. Light west southwest wind.
Sunday
Sunny, with a high near 48. Calm wind becoming west southwest around 5 mph.
Sunday Night
Mostly cloudy, with a low around 24. Light south wind.
Monday
Mostly sunny, with a high near 52. Calm wind becoming southwest around 5 mph.
Monday Night
A slight chance of rain and snow showers after midnight. Snow level 7700 feet. Mostly cloudy, with a low around 29. Light south southwest wind. Chance of precipitation is 20%.
Tuesday
A chance of rain and snow showers before noon, then a chance of rain showers. Snow level 7900 feet rising to 9100 feet in the afternoon. Partly sunny, with a high near 53. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 35.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 54.
Wednesday Night
A chance of rain and snow showers. Snow level 8800 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 28.
Thursday
A slight chance of snow showers. Mostly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Faithful WY
 44.46°N 110.82°W (Elev. 7398 ft)
2:47 am MDT Mar 21, 2026
3am 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