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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: 2:45 pm MDT Apr 24, 2025
 
This
Afternoon
This Afternoon: Showers and possibly a thunderstorm, mainly before 5pm, then scattered showers and thunderstorms after 5pm.  Snow level 7900 feet. High near 44. West northwest wind 5 to 7 mph becoming calm.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

Tonight

Tonight: Scattered rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and 10pm.  Partly cloudy, with a low around 22. East northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%. Little or no snow accumulation expected.
Scattered
Rain/Snow
then Partly
Cloudy
Friday

Friday: Scattered showers and thunderstorms after 3pm.  Snow level rising to 9200 feet in the afternoon. Mostly sunny, with a high near 52. Light southeast wind increasing to 5 to 9 mph in the morning.  Chance of precipitation is 40%.
Sunny then
Scattered
Showers
Friday
Night
Friday Night: Scattered showers, mainly before 9pm.  Snow level 9400 feet lowering to 8300 feet after midnight . Mostly cloudy, with a low around 28. Southeast wind 5 to 8 mph.  Chance of precipitation is 40%.
Scattered
Showers then
Mostly Cloudy
Saturday

Saturday: A 20 percent chance of showers after noon.  Partly sunny, with a high near 56. Light and variable wind becoming south southwest around 6 mph in the morning.
Partly Sunny
then Slight
Chance
Showers
Saturday
Night
Saturday Night: Mostly cloudy, with a low around 28. Light and variable wind.
Mostly Cloudy

Sunday

Sunday: A slight chance of rain and snow showers before 7am, then rain showers. Some thunder is also possible.  Snow level 8200 feet rising to 8700 feet in the afternoon. High near 56. Light and variable wind.  Chance of precipitation is 80%.
Slight Chance
Rain/Snow
then Showers
Sunday
Night
Sunday Night: Rain showers before 11pm, then rain and snow showers.  Snow level 8700 feet lowering to 7600 feet after midnight . Low around 29. Chance of precipitation is 90%.
Rain/Snow

Monday

Monday: Rain and snow showers, becoming all rain after 11am.  Snow level 7500 feet rising to 8100 feet in the afternoon. High near 49. Chance of precipitation is 80%.
Rain/Snow
then Showers
Likely
Hi 44 °F Lo 22 °F Hi 52 °F Lo 28 °F Hi 56 °F Lo 28 °F Hi 56 °F Lo 29 °F Hi 49 °F

Hazardous Weather Outlook
 

This Afternoon
 
Showers and possibly a thunderstorm, mainly before 5pm, then scattered showers and thunderstorms after 5pm. Snow level 7900 feet. High near 44. West northwest wind 5 to 7 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
Scattered rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and 10pm. Partly cloudy, with a low around 22. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday
 
Scattered showers and thunderstorms after 3pm. Snow level rising to 9200 feet in the afternoon. Mostly sunny, with a high near 52. Light southeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 40%.
Friday Night
 
Scattered showers, mainly before 9pm. Snow level 9400 feet lowering to 8300 feet after midnight . Mostly cloudy, with a low around 28. Southeast wind 5 to 8 mph. Chance of precipitation is 40%.
Saturday
 
A 20 percent chance of showers after noon. Partly sunny, with a high near 56. Light and variable wind becoming south southwest around 6 mph in the morning.
Saturday Night
 
Mostly cloudy, with a low around 28. Light and variable wind.
Sunday
 
A slight chance of rain and snow showers before 7am, then rain showers. Some thunder is also possible. Snow level 8200 feet rising to 8700 feet in the afternoon. High near 56. Light and variable wind. Chance of precipitation is 80%.
Sunday Night
 
Rain showers before 11pm, then rain and snow showers. Snow level 8700 feet lowering to 7600 feet after midnight . Low around 29. Chance of precipitation is 90%.
Monday
 
Rain and snow showers, becoming all rain after 11am. Snow level 7500 feet rising to 8100 feet in the afternoon. High near 49. Chance of precipitation is 80%.
Monday Night
 
A slight chance of rain showers, mixing with snow after 7pm, then gradually ending. Snow level 8100 feet lowering to 7600 feet after midnight . Partly cloudy, with a low around 25. Chance of precipitation is 20%.
Tuesday
 
A chance of showers. Snow level 7600 feet rising to 8800 feet in the afternoon. Partly sunny, with a high near 51.
Tuesday Night
 
A chance of rain and snow showers. Snow level 8900 feet lowering to 8300 feet after midnight . Mostly cloudy, with a low around 30.
Wednesday
 
Rain and snow showers likely. Snow level 8200 feet rising to 8900 feet in the afternoon. Partly sunny, with a high near 53.

 

Forecast from NOAA-NWS for Old Faithful WY.

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






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