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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: 5:01 pm MST Nov 12, 2026

Tonight Mostly Cloudy	Friday Mostly Cloudy	Friday Night Mostly Cloudy then Slight Chance Snow Showers	Saturday Chance Rain/Snow	Saturday Night Chance Rain/Snow then Slight Chance Snow Showers	Sunday Mostly Sunny	Sunday Night Partly Cloudy	Monday Partly Sunny	Monday Night Chance Snow Showers
Lo 29 °F	Hi 51 °F	Lo 28 °F	Hi 42 °F	Lo 25 °F	Hi 41 °F	Lo 24 °F	Hi 45 °F	Lo 27 °F

Tonight	Mostly cloudy, with a low around 29. Light south southeast wind.
Friday	Mostly cloudy, with a high near 51. Light and variable wind becoming south southwest 5 to 8 mph in the morning.
Friday Night	A 20 percent chance of snow showers after 4am. Mostly cloudy, with a low around 28. South wind around 5 mph becoming calm in the evening.
Saturday	A chance of snow showers before 11am, then a chance of rain and snow showers. Snow level rising to 8000 feet. Mostly cloudy, with a high near 42. Calm wind becoming southwest around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night	A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 25. Southwest wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday	Mostly sunny, with a high near 41. South southwest wind around 6 mph.
Sunday Night	Partly cloudy, with a low around 24. Light south wind.
Monday	Partly sunny, with a high near 45.
Monday Night	A 40 percent chance of snow showers. Mostly cloudy, with a low around 27.
Tuesday	Snow showers likely before 2pm, then rain and snow showers likely. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
Tuesday Night	Snow showers likely. Mostly cloudy, with a low around 25.
Wednesday	Snow showers likely. Mostly cloudy, with a high near 37.
Wednesday Night	Snow showers likely. Mostly cloudy, with a low around 22.
Thursday	A chance of snow showers. Mostly cloudy, with a high near 37.

Forecast from NOAA-NWS for Old Faithful WY.

Forecast Discussion from: NOAA-NWS

Script developed by: El Dorado Weather

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