National Weather Service Forecast for: Evanston WY
Issued by: National Weather Service Salt Lake City, UT
Updated: 12:31 pm MDT Oct 6, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 75. Northwest wind around 6 mph.
Mostly Sunny

Tonight

Tonight: Mostly clear, with a low around 42. South wind 5 to 7 mph becoming calm  after midnight.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 75. Calm wind becoming northwest around 6 mph in the afternoon.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 42. South wind around 5 mph becoming calm  in the evening.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 74. Calm wind becoming west northwest around 6 mph in the afternoon.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 42.
Mostly Clear

Friday

Friday: Sunny, with a high near 74.
Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 48.
Mostly Clear

Saturday

Saturday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 68.
Mostly Sunny
then Chance
Showers
Hi 75 °F Lo 42 °F Hi 75 °F Lo 42 °F Hi 74 °F Lo 42 °F Hi 74 °F Lo 48 °F Hi 68 °F

 

This Afternoon
 
Mostly sunny, with a high near 75. Northwest wind around 6 mph.
Tonight
 
Mostly clear, with a low around 42. South wind 5 to 7 mph becoming calm after midnight.
Wednesday
 
Sunny, with a high near 75. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 42. South wind around 5 mph becoming calm in the evening.
Thursday
 
Sunny, with a high near 74. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
 
Mostly clear, with a low around 42.
Friday
 
Sunny, with a high near 74.
Friday Night
 
Mostly clear, with a low around 48.
Saturday
 
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Saturday Night
 
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 44.
Sunday
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 58.
Sunday Night
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 37.
Columbus Day
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 55.

 

Forecast from NOAA-NWS for Evanston WY.