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NWS Forecast for Old Faithful WY

National Weather Service Forecast for: Old Faithful WY
Issued by: National Weather Service Riverton, WY

Updated: 8:47 pm MDT Apr 5, 2026

Tonight Mostly Cloudy	Monday Mostly Sunny	Monday Night Partly Cloudy	Tuesday Sunny then Chance Showers	Tuesday Night Chance Rain/Snow then Partly Cloudy	Wednesday Sunny	Wednesday Night Slight Chance Snow Showers then Partly Cloudy	Thursday Slight Chance Snow Showers	Thursday Night Slight Chance Snow Showers then Mostly Clear
Lo 23 °F	Hi 54 °F	Lo 27 °F	Hi 54 °F	Lo 24 °F	Hi 47 °F	Lo 21 °F	Hi 51 °F	Lo 25 °F

Tonight	Mostly cloudy, with a low around 23. Calm wind.
Monday	Mostly sunny, with a high near 54. Light southwest wind.
Monday Night	Partly cloudy, with a low around 27. Calm wind.
Tuesday	A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Snow level 7700 feet rising to 8400 feet in the afternoon. Sunny, with a high near 54. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Tuesday Night	A chance of rain showers, mixing with snow after 9pm, then gradually ending. Partly cloudy, with a low around 24. West southwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday	Sunny, with a high near 47. West southwest wind 3 to 6 mph. Winds could gust as high as 21 mph.
Wednesday Night	A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 21. West southwest wind around 5 mph becoming calm after midnight.
Thursday	A 20 percent chance of snow showers. Sunny, with a high near 51.
Thursday Night	A 20 percent chance of snow showers before midnight. Snow level 7600 feet. Mostly clear, with a low around 25.
Friday	A 40 percent chance of showers after noon. Snow level 7500 feet rising to 8800 feet in the afternoon. Mostly sunny, with a high near 56.
Friday Night	A chance of showers. Partly cloudy, with a low around 29.
Saturday	Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 56.
Saturday Night	A chance of showers. Partly cloudy, with a low around 31.
Sunday	Rain and snow showers likely. Snow level 8400 feet. Mostly sunny, with a high near 53.

Forecast from NOAA-NWS for Old Faithful WY.

Forecast Discussion from: NOAA-NWS

Script developed by: El Dorado Weather

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