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Yellowstone National Park, CA Weather Forecast
Wx Discussion - Wx Hazards - Wx Aviation
NWS Forecast for Old Faithful WY
National Weather Service Forecast for: Old Faithful WY
Issued by: National Weather Service Riverton, WY
Updated: 10:02 am MDT Aug 5, 2026
 
Today

Today: Areas of smoke. Sunny, with a high near 73. Light and variable wind becoming west 5 to 8 mph in the afternoon.
Areas Smoke
 Tonight

Tonight: Areas of smoke. Mostly clear, with a low around 41. West southwest wind 5 to 8 mph becoming calm in the evening.
Areas Smoke
 Thursday

Thursday: Areas of smoke. Sunny, with a high near 81. Light and variable wind becoming west southwest 5 to 10 mph in the morning.
Areas Smoke
 Thursday
Night
Thursday Night: Areas of smoke. Mostly clear, with a low around 45. West wind around 6 mph becoming calm in the evening.
Areas Smoke
 Friday

Friday: Areas of smoke before 7am. Sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Areas Smoke
then Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 47. West wind around 6 mph becoming calm in the evening.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 47.
Partly Cloudy
 Sunday

Sunday: Sunny, with a high near 83.
Sunny
Hi 73 °F Lo 41 °F Hi 81 °F Lo 45 °F Hi 84 °F Lo 47 °F Hi 84 °F Lo 47 °F Hi 83 °F

Air Quality Alert
 

Today
 
 Areas of smoke. Sunny, with a high near 73. Light and variable wind becoming west 5 to 8 mph in the afternoon.
Tonight
 
 Areas of smoke. Mostly clear, with a low around 41. West southwest wind 5 to 8 mph becoming calm in the evening.
Thursday
 
 Areas of smoke. Sunny, with a high near 81. Light and variable wind becoming west southwest 5 to 10 mph in the morning.
Thursday Night
 
 Areas of smoke. Mostly clear, with a low around 45. West wind around 6 mph becoming calm in the evening.
Friday
 
 Areas of smoke before 7am. Sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
 
 Mostly clear, with a low around 47. West wind around 6 mph becoming calm in the evening.
Saturday
 
 Sunny, with a high near 84. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
 
 Partly cloudy, with a low around 47.
Sunday
 
 Sunny, with a high near 83.
Sunday Night
 
 Partly cloudy, with a low around 46.
Monday
 
 Sunny, with a high near 82.
Monday Night
 
 Partly cloudy, with a low around 47.
Tuesday
 
 Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Old Faithful WY.

Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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