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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: 3:02 am MDT Mar 23, 2026
 
Today

Today: Partly sunny, with a high near 50. Calm wind becoming southwest around 5 mph.
Partly Sunny


 Tonight

Tonight: Mostly cloudy, with a low around 31. Calm wind becoming south around 5 mph after midnight.
Mostly Cloudy


 Tuesday

Tuesday: Isolated showers after 3pm. Snow level 7600 feet rising to 9000 feet in the afternoon. Partly sunny, with a high near 54. Southwest wind 5 to 8 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Mostly Cloudy
then Isolated
Showers

 Tuesday
Night
Tuesday Night: Isolated showers before 11pm. Partly cloudy, with a low around 37. Southwest wind 6 to 8 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Isolated
Showers then
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 58. Southwest wind 6 to 11 mph, with gusts as high as 37 mph.
Mostly Sunny


 Wednesday
Night
Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 32. Southwest wind 5 to 9 mph becoming light. Winds could gust as high as 33 mph.
Partly Cloudy
then Slight
Chance
Showers
 Thursday

Thursday: A chance of rain and snow showers before noon, then a slight chance of snow showers. Mostly sunny, with a high near 48. West southwest wind 5 to 7 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Chance
Rain/Snow
then Slight
Chance Snow
Showers
 Thursday
Night
Thursday Night: Mostly clear, with a low around 18.
Mostly Clear


 Friday

Friday: Sunny, with a high near 50.
Sunny
Hi 50 °F Lo 31 °F Hi 54 °F Lo 37 °F Hi 58 °F Lo 32 °F Hi 48 °F Lo 18 °F Hi 50 °F

 

Today
 
 Partly sunny, with a high near 50. Calm wind becoming southwest around 5 mph.
Tonight
 
 Mostly cloudy, with a low around 31. Calm wind becoming south around 5 mph after midnight.
Tuesday
 
 Isolated showers after 3pm. Snow level 7600 feet rising to 9000 feet in the afternoon. Partly sunny, with a high near 54. Southwest wind 5 to 8 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tuesday Night
 
 Isolated showers before 11pm. Partly cloudy, with a low around 37. Southwest wind 6 to 8 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday
 
 Mostly sunny, with a high near 58. Southwest wind 6 to 11 mph, with gusts as high as 37 mph.
Wednesday Night
 
 A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 32. Southwest wind 5 to 9 mph becoming light. Winds could gust as high as 33 mph.
Thursday
 
 A chance of rain and snow showers before noon, then a slight chance of snow showers. Mostly sunny, with a high near 48. West southwest wind 5 to 7 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Thursday Night
 
 Mostly clear, with a low around 18.
Friday
 
 Sunny, with a high near 50.
Friday Night
 
 Partly cloudy, with a low around 23.
Saturday
 
 Mostly sunny, with a high near 57.
Saturday Night
 
 Partly cloudy, with a low around 30.
Sunday
 
 Mostly sunny, with a high near 59.

 

Forecast from NOAA-NWS for Old Faithful WY.

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






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