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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

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

NA

49°F

9°C

Humidity 36%
Wind Speed SW 9 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 17 Mar 05:15 PM MDT
Extended Forecast for

Old Faithful WY

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 30. Southwest wind 3 to 5 mph. Winds could gust as high as 21 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 56. Light south southwest wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 28 mph.

    High: 56 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. West southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 23 mph.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 59. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 23 mph.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. West southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 21 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 22 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. South southwest wind 3 to 5 mph.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight. Snow level 9400 feet lowering to 7400 feet after midnight . Partly cloudy, with a low around 25.

    Low: 25 °F

    Slight Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 30. Southwest wind 3 to 5 mph. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 56. Light south southwest wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 31. West southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 23 mph.
Thursday
Sunny, with a high near 59. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 23 mph.
Thursday Night
Mostly clear, with a low around 33. West southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 62. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
Mostly clear, with a low around 35. South southwest wind 3 to 5 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 60.
Saturday Night
A 20 percent chance of showers before midnight. Snow level 9400 feet lowering to 7400 feet after midnight . Partly cloudy, with a low around 25.
Sunday
A slight chance of rain and snow showers after noon. Mostly sunny, with a high near 50. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers. Snow level 7700 feet lowering to 7400 feet after midnight . Partly cloudy, with a low around 24.
Monday
A chance of rain and snow showers. Mostly sunny, with a high near 51.
Monday Night
A chance of rain and snow showers. Snow level 8000 feet. Mostly cloudy, with a low around 29.
Tuesday
A chance of rain and snow showers. Snow level 7700 feet. Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Faithful WY
 44.45°N 110.85°W (Elev. 7398 ft)
Last Update:
6:02 pm MDT Mar 17, 2026
Forecast Valid:
6pm MDT Mar 17, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation