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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: 1:47 am MST Jan 24, 2026
 
Overnight

Overnight: Mostly clear, with a low around -14. Calm wind.
Mostly Clear

 Saturday

Saturday: A 30 percent chance of snow showers, mainly after 4pm. Mostly sunny, with a high near 13. Wind chill values as low as -15. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Sunny then
Chance Snow
Showers
 Saturday
Night
Saturday Night: A 40 percent chance of snow showers, mainly before 4am. Mostly cloudy, with a low around -4. West southwest wind 5 to 8 mph. Little or no snow accumulation expected.
Chance Snow
Showers
 Sunday

Sunday: Partly sunny, then gradually becoming sunny, with a high near 17. Wind chill values as low as -5. Light northwest wind.
Becoming
Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around -6. Light south southwest wind.
Mostly Clear

 Monday

Monday: Sunny, with a high near 24. Southwest wind 3 to 5 mph.
Sunny

 Monday
Night
Monday Night: Mostly cloudy, with a low around 3. Calm wind.
Mostly Cloudy

 Tuesday

Tuesday: Mostly sunny, with a high near 29.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 2.
Mostly Clear
Lo -14 °F Hi 13 °F Lo -4 °F Hi 17 °F Lo -6 °F Hi 24 °F Lo 3 °F Hi 29 °F Lo 2 °F

Hazardous Weather Outlook
 

Overnight
 
 Mostly clear, with a low around -14. Calm wind.
Saturday
 
 A 30 percent chance of snow showers, mainly after 4pm. Mostly sunny, with a high near 13. Wind chill values as low as -15. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Saturday Night
 
 A 40 percent chance of snow showers, mainly before 4am. Mostly cloudy, with a low around -4. West southwest wind 5 to 8 mph. Little or no snow accumulation expected.
Sunday
 
 Partly sunny, then gradually becoming sunny, with a high near 17. Wind chill values as low as -5. Light northwest wind.
Sunday Night
 
 Mostly clear, with a low around -6. Light south southwest wind.
Monday
 
 Sunny, with a high near 24. Southwest wind 3 to 5 mph.
Monday Night
 
 Mostly cloudy, with a low around 3. Calm wind.
Tuesday
 
 Mostly sunny, with a high near 29.
Tuesday Night
 
 Mostly clear, with a low around 2.
Wednesday
 
 Mostly sunny, with a high near 33.
Wednesday Night
 
 Partly cloudy, with a low around 7.
Thursday
 
 Partly sunny, with a high near 33.
Thursday Night
 
 Partly cloudy, with a low around 8.
Friday
 
 Mostly sunny, with a high near 34.

 

Forecast from NOAA-NWS for Old Faithful WY.

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






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