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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: 12:01 pm MST Feb 15, 2026
 
This
Afternoon
This Afternoon: A 20 percent chance of snow showers before 3pm. Mostly sunny, with a high near 39. Southwest wind 5 to 7 mph, with gusts as high as 22 mph.
Slight Chance
Snow Showers

 Tonight

Tonight: A slight chance of snow showers between 9pm and 11pm. Mostly cloudy, with a low around 19. South southwest wind around 5 mph. Chance of precipitation is 20%.
Slight Chance
Snow Showers
then Mostly
Cloudy
 Washington's
Birthday
Washington's Birthday: A 30 percent chance of snow showers after 11am. Mostly sunny, with a high near 39. South wind 5 to 7 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Chance Snow
Showers

 Monday
Night
Monday Night: Snow showers, mainly after 11pm. The snow could be heavy at times. Low around 19. South wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Heavy Snow

 Tuesday

Tuesday: Snow showers. The snow could be heavy at times. High near 32. Southwest wind 8 to 10 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Heavy Snow

 Tuesday
Night
Tuesday Night: Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 10. South wind 3 to 6 mph. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Snow Showers
Likely

 Wednesday

Wednesday: Snow showers. High near 27. South wind 3 to 5 mph. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Snow Showers

 Wednesday
Night
Wednesday Night: Snow showers. Low around 6. Chance of precipitation is 80%.
Snow Showers

 Thursday

Thursday: Snow showers. High near 21. Chance of precipitation is 80%.
Snow Showers
Hi 39 °F Lo 19 °F Hi 39 °F Lo 19 °F Hi 32 °F Lo 10 °F Hi 27 °F Lo 6 °F Hi 21 °F

Hazardous Weather Outlook
Winter Weather Advisory
 

This Afternoon
 
 A 20 percent chance of snow showers before 3pm. Mostly sunny, with a high near 39. Southwest wind 5 to 7 mph, with gusts as high as 22 mph.
Tonight
 
 A slight chance of snow showers between 9pm and 11pm. Mostly cloudy, with a low around 19. South southwest wind around 5 mph. Chance of precipitation is 20%.
Washington's Birthday
 
 A 30 percent chance of snow showers after 11am. Mostly sunny, with a high near 39. South wind 5 to 7 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Monday Night
 
 Snow showers, mainly after 11pm. The snow could be heavy at times. Low around 19. South wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Tuesday
 
 Snow showers. The snow could be heavy at times. High near 32. Southwest wind 8 to 10 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
 
 Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 10. South wind 3 to 6 mph. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Wednesday
 
 Snow showers. High near 27. South wind 3 to 5 mph. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Wednesday Night
 
 Snow showers. Low around 6. Chance of precipitation is 80%.
Thursday
 
 Snow showers. High near 21. Chance of precipitation is 80%.
Thursday Night
 
 A 50 percent chance of snow showers. Mostly cloudy, with a low around 1.
Friday
 
 Snow showers likely. Mostly cloudy, with a high near 20.
Friday Night
 
 A chance of snow showers. Mostly cloudy, with a low around 2.
Saturday
 
 A chance of snow showers. Mostly cloudy, with a high near 24.

 

Forecast from NOAA-NWS for Old Faithful WY.

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






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