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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: 12:31 pm MDT Oct 27, 2026
 
This
Afternoon
This Afternoon: A 50 percent chance of snow showers, mainly between 2pm and 5pm. Partly sunny, with a high near 34. Breezy, with a southwest wind 9 to 15 mph, with gusts as high as 30 mph. Total daytime snow accumulation of less than a half inch possible.
Chance Snow
Showers and
Breezy
 Tonight

Tonight: A 30 percent chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 21. South southwest wind 5 to 8 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Chance Snow
Showers

 Wednesday

Wednesday: A 30 percent chance of snow showers, mainly before 7am. Partly sunny, with a high near 34. South southwest wind 6 to 13 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.
Chance Snow
Showers then
Mostly Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 18. South wind around 5 mph, with gusts as high as 21 mph.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 43. Southwest wind 5 to 7 mph becoming calm in the afternoon.
Mostly Sunny

 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 25. Calm wind becoming southeast around 5 mph after midnight.
Mostly Cloudy

 Friday

Friday: A chance of rain and snow showers after noon. Mostly cloudy, with a high near 46. Southeast wind around 5 mph becoming south southwest in the afternoon. Chance of precipitation is 30%.
Mostly Cloudy
then Chance
Rain/Snow
 Friday
Night
Friday Night: A chance of rain showers before midnight, then a chance of rain and snow showers. Snow level 8800 feet lowering to 8200 feet after midnight . Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Chance
Showers then
Chance
Rain/Snow
 Saturday

Saturday: Rain and snow showers likely, becoming all rain after noon. Some thunder is also possible. Snow level 8000 feet rising to 8700 feet in the afternoon. Mostly cloudy, with a high near 44. Chance of precipitation is 70%.
Rain/Snow
Likely then
Showers
Likely
Hi 34 °F Lo 21 °F Hi 34 °F Lo 18 °F Hi 43 °F Lo 25 °F Hi 46 °F Lo 27 °F Hi 44 °F

 

This Afternoon
 
 A 50 percent chance of snow showers, mainly between 2pm and 5pm. Partly sunny, with a high near 34. Breezy, with a southwest wind 9 to 15 mph, with gusts as high as 30 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
 
 A 30 percent chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 21. South southwest wind 5 to 8 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Wednesday
 
 A 30 percent chance of snow showers, mainly before 7am. Partly sunny, with a high near 34. South southwest wind 6 to 13 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.
Wednesday Night
 
 Partly cloudy, with a low around 18. South wind around 5 mph, with gusts as high as 21 mph.
Thursday
 
 Mostly sunny, with a high near 43. Southwest wind 5 to 7 mph becoming calm in the afternoon.
Thursday Night
 
 Mostly cloudy, with a low around 25. Calm wind becoming southeast around 5 mph after midnight.
Friday
 
 A chance of rain and snow showers after noon. Mostly cloudy, with a high near 46. Southeast wind around 5 mph becoming south southwest in the afternoon. Chance of precipitation is 30%.
Friday Night
 
 A chance of rain showers before midnight, then a chance of rain and snow showers. Snow level 8800 feet lowering to 8200 feet after midnight . Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Saturday
 
 Rain and snow showers likely, becoming all rain after noon. Some thunder is also possible. Snow level 8000 feet rising to 8700 feet in the afternoon. Mostly cloudy, with a high near 44. Chance of precipitation is 70%.
Saturday Night
 
 Rain showers likely before 9pm, then rain and snow showers. Snow level 8600 feet lowering to 8000 feet after midnight . Low around 27. Chance of precipitation is 80%.
Sunday
 
 Rain and snow showers. Snow level 7700 feet. Cloudy, with a high near 42.
Sunday Night
 
 Snow showers. Mostly cloudy, with a low around 21.
Monday
 
 A chance of snow showers. Partly sunny, with a high near 38.

 

Forecast from NOAA-NWS for Old Faithful WY.

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






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