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

37°F

3°C

Humidity 81%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 21 Mar 11:15 PM MDT
Extended Forecast for

Old Faithful WY

  • Overnight

    Overnight: Mostly clear, with a low around 26. Light and variable wind.

    Low: 26 °F

    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: Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. Light south southwest wind.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers before 9am, then a chance of rain showers.  Snow level 7800 feet rising to 9400 feet in the afternoon. Mostly cloudy, with a high near 53. Southwest wind 3 to 8 mph. Winds could gust as high as 26 mph.  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 37. Southwest wind 5 to 7 mph, with gusts as high as 26 mph.

    Low: 37 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers.  Mostly sunny, with a high near 58.

    High: 58 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of rain showers before midnight, then a slight chance of rain and snow showers.  Snow level 9400 feet lowering to 7900 feet after midnight . Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 26. Light and variable wind.
Sunday
Sunny, with a high near 49. Calm wind becoming west southwest around 5 mph.
Sunday Night
Mostly cloudy, with a low around 25. Calm wind.
Monday
Mostly sunny, with a high near 52. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 33. Light south southwest wind.
Tuesday
A chance of rain and snow showers before 9am, then a chance of rain showers. Snow level 7800 feet rising to 9400 feet in the afternoon. Mostly cloudy, with a high near 53. Southwest wind 3 to 8 mph. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 37. Southwest wind 5 to 7 mph, with gusts as high as 26 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 58.
Wednesday Night
A slight chance of rain showers before midnight, then a slight chance of rain and snow showers. Snow level 9400 feet lowering to 7900 feet after midnight . Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Thursday
A slight chance of rain and snow showers before noon. Mostly sunny, with a high near 48. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 18.
Friday
Sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 56.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Old Faithful WY
 44.46°N 110.82°W (Elev. 7398 ft)
11:02 pm MDT Mar 21, 2026
12am MDT Mar 22, 2026-6pm MDT Mar 28, 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