National Weather Service Forecast for: Jackson WY
Issued by: National Weather Service Riverton, WY
Updated: 12:47 am MDT Aug 20, 2026
 
Overnight

Overnight: Mostly clear, with a low around 46. Light east southeast wind.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 91. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Sunny

Thursday
Night
Thursday Night: Partly cloudy, with a low around 53. West wind 5 to 9 mph becoming east southeast in the evening.
Partly Cloudy

Friday

Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 95. Calm wind becoming west southwest around 5 mph in the afternoon.
Mostly Sunny
then Slight
Chance
T-storms
Friday
Night
Friday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers after midnight.  Mostly cloudy, with a low around 55. Calm wind becoming east around 5 mph.  Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
Saturday

Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 40%.
Slight Chance
Showers then
Chance
T-storms
Saturday
Night
Saturday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 50. South southwest wind around 5 mph becoming calm  in the evening.
Chance
T-storms then
Mostly Cloudy
Sunday

Sunday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 80.
Mostly Sunny
then Chance
T-storms
Sunday
Night
Sunday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 47.
Slight Chance
T-storms then
Partly Cloudy
Lo 46 °F Hi 91 °F Lo 53 °F Hi 95 °F Lo 55 °F Hi 84 °F Lo 50 °F Hi 80 °F Lo 47 °F

 

Overnight
 
Mostly clear, with a low around 46. Light east southeast wind.
Thursday
 
Sunny, with a high near 91. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Thursday Night
 
Partly cloudy, with a low around 53. West wind 5 to 9 mph becoming east southeast in the evening.
Friday
 
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
 
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers after midnight. Mostly cloudy, with a low around 55. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.
Saturday
 
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
 
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. South southwest wind around 5 mph becoming calm in the evening.
Sunday
 
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Sunday Night
 
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47.
Monday
 
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Monday Night
 
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Tuesday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Tuesday Night
 
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Wednesday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.

 

Forecast from NOAA-NWS for Jackson WY.