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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: 4:03 pm MDT Oct 13, 2025

Columbus Day Mostly Sunny	Tonight Frost then Scattered Rain/Snow	Tuesday Scattered Rain/Snow then Showers Likely	Tuesday Night Showers Likely then Rain/Snow	Wednesday Rain/Snow then Showers	Wednesday Night Rain/Snow	Thursday Snow Showers then Rain/Snow Likely	Thursday Night Chance Rain/Snow then Chance Snow Showers	Friday Chance Snow Showers
Hi 46 °F	Lo 24 °F	Hi 51 °F	Lo 27 °F	Hi 46 °F	Lo 25 °F	Hi 40 °F	Lo 22 °F	Hi 41 °F

Hazardous Weather Outlook

Columbus Day	Mostly sunny, with a steady temperature around 46. South southeast wind around 8 mph.
Tonight	Scattered rain and snow showers, mainly after 3am. Widespread frost between 9pm and midnight. Otherwise, partly cloudy, with a low around 24. East southeast wind 6 to 9 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday	Scattered rain and snow showers before 9am, then rain showers likely. Partly sunny, with a high near 51. Southeast wind 3 to 6 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night	Rain showers before 2am, then rain and snow showers. Some thunder is also possible. Low around 27. Light and variable wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday	Rain and snow showers, becoming all rain after 9am. Some thunder is also possible. Snow level 8900 feet lowering to 8000 feet in the afternoon . High near 46. Light and variable wind becoming south around 5 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night	Rain showers before 8pm, then rain and snow showers between 8pm and 5am, then snow showers after 5am. Snow level 8100 feet lowering to 7400 feet after midnight . Low around 25. Light west southwest wind. Chance of precipitation is 90%.
Thursday	Snow showers before 3pm, then rain and snow showers likely. High near 40. West wind 3 to 6 mph. Chance of precipitation is 80%.
Thursday Night	A chance of rain and snow showers before 9pm, then a chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 50%.
Friday	A 40 percent chance of snow showers. Partly sunny, with a high near 41.
Friday Night	A 40 percent chance of snow showers. Mostly cloudy, with a low around 19.
Saturday	Mostly sunny, with a high near 43.
Saturday Night	Partly cloudy, with a low around 22.
Sunday	A slight chance of showers. Snow level rising to 8600 feet in the afternoon. Mostly sunny, with a high near 50.

Forecast from NOAA-NWS for Old Faithful WY.

Forecast Discussion from: NOAA-NWS

Script developed by: El Dorado Weather

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