National Weather Service Forecast for: Jackson WY
Issued by: National Weather Service Riverton, WY
Updated: 8:17 pm MDT Jun 18, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 43. Light and variable wind.
Partly Cloudy

 Juneteenth

Juneteenth: Mostly sunny, with a high near 86. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Mostly Sunny

 Friday
Night
Friday Night: Increasing clouds, with a low around 49. West wind 5 to 9 mph becoming calm in the evening.
Increasing
Clouds

 Saturday

Saturday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 78. Light and variable wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Chance
Showers then
Showers
 Saturday
Night
Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 42. West wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 70%.
Showers
Likely then
Slight Chance
Showers
 Sunday

Sunday: A chance of showers, with thunderstorms also possible after 9am. Mostly sunny, with a high near 76. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Chance
Showers then
Chance
T-storms
 Sunday
Night
Sunday Night: Mostly clear, with a low around 40. West wind 5 to 8 mph becoming southeast after midnight.
Mostly Clear

 Monday

Monday: Sunny, with a high near 80.
Sunny

 Monday
Night
Monday Night: Clear, with a low around 41.
Clear
Lo 43 °F Hi 86 °F Lo 49 °F Hi 78 °F Lo 42 °F Hi 76 °F Lo 40 °F Hi 80 °F Lo 41 °F

 

Tonight
 
 Partly cloudy, with a low around 43. Light and variable wind.
Juneteenth
 
 Mostly sunny, with a high near 86. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
 
 Increasing clouds, with a low around 49. West wind 5 to 9 mph becoming calm in the evening.
Saturday
 
 A chance of showers, then showers and possibly a thunderstorm after noon. High near 78. Light and variable wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Saturday Night
 
 Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 42. West wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 70%.
Sunday
 
 A chance of showers, with thunderstorms also possible after 9am. Mostly sunny, with a high near 76. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Sunday Night
 
 Mostly clear, with a low around 40. West wind 5 to 8 mph becoming southeast after midnight.
Monday
 
 Sunny, with a high near 80.
Monday Night
 
 Clear, with a low around 41.
Tuesday
 
 Sunny, with a high near 86.
Tuesday Night
 
 Clear, with a low around 44.
Wednesday
 
 Sunny, with a high near 87.
Wednesday Night
 
 Mostly clear, with a low around 45.
Thursday
 
 Sunny, with a high near 84.

 

Forecast from NOAA-NWS for Jackson WY.