National Weather Service Forecast for: Old Faithful WY
Issued by: National Weather Service Riverton, WY
Updated: 5:14 pm MDT Jun 4, 2025
 
Tonight

Tonight: Partly cloudy, with a low around 31. West northwest wind around 6 mph becoming calm  in the evening.
Partly Cloudy

Thursday

Thursday: Isolated showers and thunderstorms after 3pm.  Snow level 8300 feet rising to 9800 feet in the afternoon. Mostly sunny, with a high near 60. Calm wind becoming west 5 to 8 mph in the morning.  Chance of precipitation is 20%.
Sunny then
Isolated
T-storms
Thursday
Night
Thursday Night: Isolated showers before 9pm.  Mostly clear, with a low around 32. West wind 5 to 8 mph becoming calm  in the evening.  Chance of precipitation is 20%.
Isolated
Showers then
Mostly Clear
Friday

Friday: Increasing clouds, with a high near 67. Calm wind becoming west around 6 mph in the afternoon.
Increasing
Clouds
Friday
Night
Friday Night: Partly cloudy, with a low around 38. West southwest wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Saturday

Saturday: Sunny, with a high near 72. Calm wind becoming west around 6 mph in the afternoon.
Sunny

Saturday
Night
Saturday Night: Partly cloudy, with a low around 40. Light south wind.
Partly Cloudy

Sunday

Sunday: Sunny, with a high near 75.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 39.
Mostly Clear

Lo 31 °F Hi 60 °F Lo 32 °F Hi 67 °F Lo 38 °F Hi 72 °F Lo 40 °F Hi 75 °F Lo 39 °F

Hazardous Weather Outlook
 

Tonight
 
Partly cloudy, with a low around 31. West northwest wind around 6 mph becoming calm in the evening.
Thursday
 
Isolated showers and thunderstorms after 3pm. Snow level 8300 feet rising to 9800 feet in the afternoon. Mostly sunny, with a high near 60. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.
Thursday Night
 
Isolated showers before 9pm. Mostly clear, with a low around 32. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
 
Increasing clouds, with a high near 67. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
 
Partly cloudy, with a low around 38. West southwest wind around 5 mph becoming calm in the evening.
Saturday
 
Sunny, with a high near 72. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
 
Partly cloudy, with a low around 40. Light south wind.
Sunday
 
Sunny, with a high near 75.
Sunday Night
 
Mostly clear, with a low around 39.
Monday
 
Sunny, with a high near 76.
Monday Night
 
Partly cloudy, with a low around 42.
Tuesday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Tuesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43.
Wednesday
 
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 73.

 

Forecast from NOAA-NWS for Old Faithful WY.