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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: 9:17 am MDT Aug 3, 2026
 
Today

Today: Areas of smoke. Sunny, with a high near 72. West northwest wind 3 to 6 mph.
Areas Smoke
 Tonight

Tonight: Areas of smoke. Mostly clear, with a low around 34. West northwest wind around 5 mph becoming calm in the evening.
Areas Smoke
 Tuesday

Tuesday: Areas of smoke. Sunny, with a high near 72. Calm wind becoming west 5 to 7 mph in the afternoon.
Areas Smoke
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 37. West northwest wind around 6 mph becoming calm in the evening.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 40. West wind around 5 mph becoming calm in the evening.
Mostly Clear
 Thursday

Thursday: Sunny, with a high near 81. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 44.
Mostly Clear
 Friday

Friday: Sunny, with a high near 86.
Sunny
Hi 72 °F Lo 34 °F Hi 72 °F Lo 37 °F Hi 76 °F Lo 40 °F Hi 81 °F Lo 44 °F Hi 86 °F

 

Today
 
 Areas of smoke. Sunny, with a high near 72. West northwest wind 3 to 6 mph.
Tonight
 
 Areas of smoke. Mostly clear, with a low around 34. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
 
 Areas of smoke. Sunny, with a high near 72. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 37. West northwest wind around 6 mph becoming calm in the evening.
Wednesday
 
 Sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
 
 Mostly clear, with a low around 40. West wind around 5 mph becoming calm in the evening.
Thursday
 
 Sunny, with a high near 81. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 44.
Friday
 
 Sunny, with a high near 86.
Friday Night
 
 Mostly clear, with a low around 46.
Saturday
 
 Sunny, with a high near 84.
Saturday Night
 
 Partly cloudy, with a low around 48.
Sunday
 
 Sunny, with a high near 84.

 

Forecast from NOAA-NWS for Old Faithful WY.

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






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