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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

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

NA

69°F

21°C

Humidity 15%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 08 Oct 05:15 PM MDT
Extended Forecast for

Old Faithful WY

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 36. South southeast wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 48. South wind 3 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 48 °F

    Showers

  • Sunday Night

    Sunday Night: Rain showers before 3am, then rain, possibly mixed with snow showers. Low around 27. Southeast wind 3 to 6 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 27 °F

    Showers then
    Rain/Snow

  • Columbus Day

    Columbus Day: Rain, possibly mixed with snow showers before noon, then a chance of rain showers. High near 48. Southwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 24 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of rain and snow showers before noon, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 50. Light and variable wind. Chance of precipitation is 40%.

    High: 50 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before midnight. Snow level 9100 feet lowering to 8400 feet after midnight . Mostly cloudy, with a low around 22. Light north northeast wind.

    Low: 22 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Snow level 7800 feet rising to 8800 feet in the afternoon. Partly sunny, with a high near 50.

    High: 50 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Snow level 8900 feet lowering to 7900 feet after midnight . Partly cloudy, with a low around 22.

    Low: 22 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 36. South southeast wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm. High near 48. South wind 3 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Rain showers before 3am, then rain, possibly mixed with snow showers. Low around 27. Southeast wind 3 to 6 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Columbus Day
Rain, possibly mixed with snow showers before noon, then a chance of rain showers. High near 48. Southwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow showers before noon, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 50. Light and variable wind. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers, mainly before midnight. Snow level 9100 feet lowering to 8400 feet after midnight . Mostly cloudy, with a low around 22. Light north northeast wind.
Wednesday
A 20 percent chance of showers before noon. Snow level 7800 feet rising to 8800 feet in the afternoon. Partly sunny, with a high near 50.
Wednesday Night
A 20 percent chance of showers before midnight. Snow level 8900 feet lowering to 7900 feet after midnight . Partly cloudy, with a low around 22.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 21.
Friday
Sunny, with a high near 57.
Friday Night
Clear, with a low around 24.
Saturday
Sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Faithful WY
 44.46°N 110.82°W (Elev. 7398 ft)
Last Update:
7:50 pm MDT Oct 10, 2026
Forecast Valid:
8pm MDT Oct 10, 2026-6pm MDT Oct 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation