National Weather Service Forecast for: Evanston WY
Issued by: National Weather Service Salt Lake City, UT
Updated: 2:11 pm MST Feb 1, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 23. South southwest wind 3 to 5 mph.
Mostly Cloudy
Monday

Monday: Partly sunny, then gradually becoming sunny, with a high near 44. Light and variable wind becoming west 5 to 10 mph in the morning.
Becoming
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 20. West northwest wind around 6 mph becoming light and variable  in the evening.
Mostly Clear
Tuesday

Tuesday: Mostly sunny, with a high near 45. Southwest wind 5 to 9 mph.
Mostly Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 19. West wind around 6 mph becoming calm  in the evening.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 48.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 22.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 52.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 23.
Mostly Clear
Lo 23 °F Hi 44 °F Lo 20 °F Hi 45 °F Lo 19 °F Hi 48 °F Lo 22 °F Hi 52 °F Lo 23 °F

 

Tonight
 
Mostly cloudy, with a low around 23. South southwest wind 3 to 5 mph.
Monday
 
Partly sunny, then gradually becoming sunny, with a high near 44. Light and variable wind becoming west 5 to 10 mph in the morning.
Monday Night
 
Mostly clear, with a low around 20. West northwest wind around 6 mph becoming light and variable in the evening.
Tuesday
 
Mostly sunny, with a high near 45. Southwest wind 5 to 9 mph.
Tuesday Night
 
Mostly clear, with a low around 19. West wind around 6 mph becoming calm in the evening.
Wednesday
 
Sunny, with a high near 48.
Wednesday Night
 
Mostly clear, with a low around 22.
Thursday
 
Sunny, with a high near 52.
Thursday Night
 
Mostly clear, with a low around 23.
Friday
 
Sunny, with a high near 52.
Friday Night
 
Mostly clear, with a low around 25.
Saturday
 
Mostly sunny, with a high near 50.
Saturday Night
 
Mostly clear, with a low around 24.
Sunday
 
Sunny, with a high near 50.

 

Forecast from NOAA-NWS for Evanston WY.