National Weather Service Forecast for: Old Faithful WY
Issued by: National Weather Service Riverton, WY
Updated: 4:32 pm MST Dec 19, 2025
 
This
Afternoon
This Afternoon: Snow showers. Some thunder is also possible. Areas of blowing snow. High near 35. West southwest wind around 14 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.
Snow Showers
and Areas
Blowing Snow
 Tonight

Tonight: Snow showers before 11pm, then a slight chance of snow showers after 3am. The snow could be heavy at times. Some thunder is also possible. Patchy blowing snow before 9pm. Low around 9. West wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Heavy Snow
and Patchy
Blowing Snow
 Saturday

Saturday: A 30 percent chance of snow showers, mainly before 11am. Mostly sunny, with a high near 24. Southwest wind 5 to 8 mph, with gusts as high as 23 mph.
Chance Snow
Showers then
Mostly Sunny
 Saturday
Night
Saturday Night: A 40 percent chance of snow showers after 11pm. Increasing clouds, with a low around 14. Southwest wind around 6 mph, with gusts as high as 23 mph. New snow accumulation of less than one inch possible.
Chance Snow
Showers
 Sunday

Sunday: Snow showers. High near 35. Southwest wind 5 to 7 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Snow Showers

 Sunday
Night
Sunday Night: Snow showers before 11pm, then rain and snow showers. Low around 28. Southwest wind 8 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Rain/Snow

 Monday

Monday: Snow showers. High near 37. Southwest wind 8 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.
Snow Showers

 Monday
Night
Monday Night: Snow showers. Low around 26. Chance of precipitation is 80%.
Snow Showers

 Tuesday

Tuesday: Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Snow Showers
Likely
Hi 35 °F Lo 9 °F Hi 24 °F Lo 14 °F Hi 35 °F Lo 28 °F Hi 37 °F Lo 26 °F Hi 39 °F

Hazardous Weather Outlook
Winter Storm Warning
 

This Afternoon
 
 Snow showers. Some thunder is also possible. Areas of blowing snow. High near 35. West southwest wind around 14 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
 
 Snow showers before 11pm, then a slight chance of snow showers after 3am. The snow could be heavy at times. Some thunder is also possible. Patchy blowing snow before 9pm. Low around 9. West wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
 
 A 30 percent chance of snow showers, mainly before 11am. Mostly sunny, with a high near 24. Southwest wind 5 to 8 mph, with gusts as high as 23 mph.
Saturday Night
 
 A 40 percent chance of snow showers after 11pm. Increasing clouds, with a low around 14. Southwest wind around 6 mph, with gusts as high as 23 mph. New snow accumulation of less than one inch possible.
Sunday
 
 Snow showers. High near 35. Southwest wind 5 to 7 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday Night
 
 Snow showers before 11pm, then rain and snow showers. Low around 28. Southwest wind 8 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Monday
 
 Snow showers. High near 37. Southwest wind 8 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.
Monday Night
 
 Snow showers. Low around 26. Chance of precipitation is 80%.
Tuesday
 
 Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Tuesday Night
 
 A 20 percent chance of snow showers. Mostly cloudy, with a low around 25.
Wednesday
 
 Snow showers. Mostly cloudy, with a high near 39.
Wednesday Night
 
 Snow showers likely. Mostly cloudy, with a low around 18.
Christmas Day
 
 Snow showers likely. Mostly cloudy, with a high near 36.
Thursday Night
 
 Snow showers likely. Mostly cloudy, with a low around 22.
Friday
 
 Snow showers likely. Mostly cloudy, with a high near 34.

 

Forecast from NOAA-NWS for Old Faithful WY.