National Weather Service Forecast for: Evanston WY
Issued by: National Weather Service Salt Lake City, UT
Updated: 1:31 pm MDT Jun 29, 2026
 
Tonight

Tonight: Clear, with a low around 33. West wind 5 to 7 mph becoming light and variable after midnight.
Clear

 Tuesday

Tuesday: A 10 percent chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 68. Light and variable wind becoming south southwest 5 to 9 mph in the afternoon.
Sunny then
Slight Chance
T-storms
 Tuesday
Night
Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 36. South southeast wind 5 to 8 mph.
Decreasing
Clouds
 Wednesday

Wednesday: A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 73. Light and variable wind becoming southwest 6 to 11 mph in the afternoon.
Sunny then
Slight Chance
T-storms
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 40. Southwest wind 5 to 8 mph becoming light and variable after midnight.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 76.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 43.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 78.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 42.
Mostly Clear
Lo 33 °F Hi 68 °F Lo 36 °F Hi 73 °F Lo 40 °F Hi 76 °F Lo 43 °F Hi 78 °F Lo 42 °F

 

Tonight
 
 Clear, with a low around 33. West wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
 
 A 10 percent chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 68. Light and variable wind becoming south southwest 5 to 9 mph in the afternoon.
Tuesday Night
 
 Mostly cloudy, then gradually becoming clear, with a low around 36. South southeast wind 5 to 8 mph.
Wednesday
 
 A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 73. Light and variable wind becoming southwest 6 to 11 mph in the afternoon.
Wednesday Night
 
 Partly cloudy, with a low around 40. Southwest wind 5 to 8 mph becoming light and variable after midnight.
Thursday
 
 Mostly sunny, with a high near 76.
Thursday Night
 
 Partly cloudy, with a low around 43.
Friday
 
 Mostly sunny, with a high near 78.
Friday Night
 
 Mostly clear, with a low around 42.
Independence Day
 
 Sunny, with a high near 80.
Saturday Night
 
 Clear, with a low around 43.
Sunday
 
 Sunny, with a high near 84.
Sunday Night
 
 Mostly clear, with a low around 48.
Monday
 
 Sunny, with a high near 87.

 

Forecast from NOAA-NWS for Evanston WY.