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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: 6:28 am MDT May 18, 2025

Today Showers	Tonight Rain/Snow Likely then Chance Snow Showers	Monday Slight Chance Snow Showers then Slight Chance Rain/Snow	Monday Night Slight Chance Rain/Snow	Tuesday Chance Rain/Snow then Showers	Tuesday Night Rain/Snow Likely then Slight Chance Rain/Snow	Wednesday Mostly Sunny	Wednesday Night Partly Cloudy	Thursday Slight Chance Rain/Snow then Chance Showers
Hi 44 °F	Lo 24 °F	Hi 44 °F	Lo 26 °F	Hi 49 °F	Lo 25 °F	Hi 53 °F	Lo 30 °F	Hi 59 °F

Hazardous Weather Outlook

Today	Showers, with thunderstorms also possible after noon. Snow level 8400 feet. High near 44. Light southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight	Rain showers likely before 8pm, then rain and snow showers likely between 8pm and 10pm, then a chance of snow showers after 10pm. Some thunder is also possible. Mostly cloudy, with a low around 24. North northwest wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday	A slight chance of snow showers before 2pm, then a slight chance of rain and snow showers. Partly sunny, with a high near 44. North northwest wind 3 to 7 mph. Chance of precipitation is 20%.
Monday Night	A slight chance of rain and snow showers before 1am, then a slight chance of snow showers. Snow level 8200 feet lowering to 7400 feet after midnight . Partly cloudy, with a low around 26. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday	A chance of snow showers before 11am, then rain showers. Some thunder is also possible. Snow level rising to 8100 feet in the afternoon. High near 49. Calm wind becoming west southwest 5 to 7 mph in the morning. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night	Rain showers likely before 9pm, then rain and snow showers likely between 9pm and 2am, then a slight chance of snow showers after 2am. Some thunder is also possible. Snow level 8100 feet lowering to 7400 feet after midnight . Mostly cloudy, with a low around 25. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%.
Wednesday	Mostly sunny, with a high near 53. Calm wind becoming west southwest 5 to 7 mph in the morning.
Wednesday Night	Partly cloudy, with a low around 30.
Thursday	A slight chance of rain and snow showers before 7am, then a chance of rain showers. Some thunder is also possible. Snow level 8300 feet rising to 9900 feet in the afternoon. Partly sunny, with a high near 59. Chance of precipitation is 40%.
Thursday Night	A 20 percent chance of showers before midnight. Partly cloudy, with a low around 31.
Friday	A chance of showers. Sunny, with a high near 62.
Friday Night	A chance of showers. Partly cloudy, with a low around 35.
Saturday	A chance of showers. Mostly sunny, with a high near 61.

Forecast from NOAA-NWS for Old Faithful WY.

Forecast Discussion from: NOAA-NWS

Script developed by: El Dorado Weather

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