National Weather Service Forecast for: Old Faithful WY
Issued by: National Weather Service Riverton, WY
Updated: 4:13 pm MDT Jul 4, 2025
 
Independence
Day
Independence Day: Scattered showers and thunderstorms. Some of the storms could be severe.  Partly sunny, with a steady temperature around 62. Southwest wind around 10 mph.  Chance of precipitation is 30%.
Severe
T-Storms

Tonight

Tonight: Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and midnight. Some of the storms could be severe.  Partly cloudy, with a low around 39. Southwest wind 5 to 11 mph becoming southeast after midnight.  Chance of precipitation is 30%.
Severe
T-Storms
then Mostly
Clear
Saturday

Saturday: Scattered showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 70. Breezy, with a southeast wind 6 to 11 mph becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 40%.
Sunny then
Scattered
T-storms and
Breezy
Saturday
Night
Saturday Night: Isolated showers and thunderstorms before 7pm.  Mostly clear, with a low around 35. Breezy, with a west southwest wind 12 to 17 mph becoming light and variable  in the evening. Winds could gust as high as 24 mph.  Chance of precipitation is 20%.
Isolated
T-storms and
Breezy then
Mostly Clear
Sunday

Sunday: Sunny, with a high near 73. Calm wind becoming southwest around 6 mph in the afternoon.
Sunny

Sunday
Night
Sunday Night: Clear, with a low around 37. West southwest wind around 5 mph becoming calm  in the evening.
Clear

Monday

Monday: Sunny, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 41.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 82.
Sunny

Hi 62 °F Lo 39 °F Hi 70 °F Lo 35 °F Hi 73 °F Lo 37 °F Hi 77 °F Lo 41 °F Hi 82 °F

Hazardous Weather Outlook
 

Independence Day
 
Scattered showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a steady temperature around 62. Southwest wind around 10 mph. Chance of precipitation is 30%.
Tonight
 
Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and midnight. Some of the storms could be severe. Partly cloudy, with a low around 39. Southwest wind 5 to 11 mph becoming southeast after midnight. Chance of precipitation is 30%.
Saturday
 
Scattered showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 70. Breezy, with a southeast wind 6 to 11 mph becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Saturday Night
 
Isolated showers and thunderstorms before 7pm. Mostly clear, with a low around 35. Breezy, with a west southwest wind 12 to 17 mph becoming light and variable in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Sunday
 
Sunny, with a high near 73. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
 
Clear, with a low around 37. West southwest wind around 5 mph becoming calm in the evening.
Monday
 
Sunny, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 41.
Tuesday
 
Sunny, with a high near 82.
Tuesday Night
 
Mostly clear, with a low around 42.
Wednesday
 
Sunny, with a high near 82.
Wednesday Night
 
Partly cloudy, with a low around 43.
Thursday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Thursday Night
 
A slight chance of showers and thunderstorms. Mostly clear, with a low around 40.
Friday
 
A slight chance of showers and thunderstorms. Sunny, with a high near 78.

 

Forecast from NOAA-NWS for Old Faithful WY.