National Weather Service Forecast for: Evanston WY
Issued by: National Weather Service Salt Lake City, UT
Updated: 12:31 am MDT Jun 22, 2026
 
Overnight

Overnight: Mostly clear, with a low around 45. Light southeast wind.
Mostly Clear

Monday

Monday: Patchy smoke after noon. Sunny, with a high near 81. Light and variable wind becoming west 11 to 16 mph in the morning.
Mostly Sunny
then Patchy
Smoke
Monday
Night
Monday Night: Mostly clear, with a low around 45. West wind 9 to 14 mph becoming light and variable  after midnight.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 83. Light and variable wind becoming west 9 to 14 mph in the afternoon.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 47. West wind 5 to 14 mph becoming east southeast after midnight.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 84.
Sunny

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 48.
Partly Cloudy

Thursday

Thursday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82.
Sunny then
Slight Chance
T-storms
Thursday
Night
Thursday Night: Partly cloudy, with a low around 48.
Partly Cloudy

Lo 45 °F Hi 81 °F Lo 45 °F Hi 83 °F Lo 47 °F Hi 84 °F Lo 48 °F Hi 82 °F Lo 48 °F

 

Overnight
 
Mostly clear, with a low around 45. Light southeast wind.
Monday
 
Patchy smoke after noon. Sunny, with a high near 81. Light and variable wind becoming west 11 to 16 mph in the morning.
Monday Night
 
Mostly clear, with a low around 45. West wind 9 to 14 mph becoming light and variable after midnight.
Tuesday
 
Sunny, with a high near 83. Light and variable wind becoming west 9 to 14 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 47. West wind 5 to 14 mph becoming east southeast after midnight.
Wednesday
 
Sunny, with a high near 84.
Wednesday Night
 
Partly cloudy, with a low around 48.
Thursday
 
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Thursday Night
 
Partly cloudy, with a low around 48.
Friday
 
Sunny, with a high near 83. Breezy.
Friday Night
 
Partly cloudy, with a low around 48.
Saturday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71. Breezy.
Saturday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 39. Breezy.
Sunday
 
Sunny, with a high near 62. Breezy.

 

Forecast from NOAA-NWS for Evanston WY.