National Weather Service Forecast for: Evanston WY
Issued by: National Weather Service Salt Lake City, UT
Updated: 12:31 pm MDT Jun 18, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 44. West northwest wind 5 to 10 mph becoming light and variable  after midnight.
Partly Cloudy
Juneteenth

Juneteenth: Sunny, with a high near 84. Light and variable wind becoming west 5 to 10 mph in the morning.
Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 53. West wind 5 to 9 mph becoming north northeast in the evening.
Partly Cloudy
Saturday

Saturday: Sunny, with a high near 77. South southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.
Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 45. West wind 13 to 18 mph becoming light southwest  after midnight. Winds could gust as high as 32 mph.
Mostly Clear
Sunday

Sunday: Sunny, with a high near 76.
Sunny
Sunday
Night
Sunday Night: Clear, with a low around 44.
Clear
Monday

Monday: Sunny, with a high near 80.
Sunny
Monday
Night
Monday Night: Clear, with a low around 44.
Clear
Lo 44 °F Hi 84 °F Lo 53 °F Hi 77 °F Lo 45 °F Hi 76 °F Lo 44 °F Hi 80 °F Lo 44 °F

 

Tonight
 
Partly cloudy, with a low around 44. West northwest wind 5 to 10 mph becoming light and variable after midnight.
Juneteenth
 
Sunny, with a high near 84. Light and variable wind becoming west 5 to 10 mph in the morning.
Friday Night
 
Partly cloudy, with a low around 53. West wind 5 to 9 mph becoming north northeast in the evening.
Saturday
 
Sunny, with a high near 77. South southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.
Saturday Night
 
Mostly clear, with a low around 45. West wind 13 to 18 mph becoming light southwest after midnight. Winds could gust as high as 32 mph.
Sunday
 
Sunny, with a high near 76.
Sunday Night
 
Clear, with a low around 44.
Monday
 
Sunny, with a high near 80.
Monday Night
 
Clear, with a low around 44.
Tuesday
 
Sunny, with a high near 85.
Tuesday Night
 
Clear, with a low around 47.
Wednesday
 
Sunny, with a high near 86.
Wednesday Night
 
Mostly clear, with a low around 48.
Thursday
 
Sunny, with a high near 84.

 

Forecast from NOAA-NWS for Evanston WY.