National Weather Service Forecast for: Evanston WY
Issued by: National Weather Service Salt Lake City, UT
Updated: 12:31 pm MDT May 4, 2026
 
This
Afternoon
This Afternoon: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 64. West wind around 11 mph.
Chance
Showers

Tonight

Tonight: A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am.  Mostly cloudy, with a low around 35. South wind 5 to 9 mph.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers

Tuesday

Tuesday: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm.  High near 53. Southeast wind 6 to 10 mph becoming north in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers

Tuesday
Night
Tuesday Night: Rain showers likely before 9pm, then rain and snow showers likely between 9pm and midnight, then a chance of snow showers after midnight. Some thunder is also possible.  Mostly cloudy, with a low around 24. North northwest wind 10 to 14 mph becoming east northeast after midnight.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Rain/Snow
Likely then
Chance Snow
Showers
Wednesday

Wednesday: Sunny, with a high near 52. East wind 8 to 10 mph becoming north northwest in the afternoon.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 30.
Mostly Clear

Thursday

Thursday: Mostly sunny, with a high near 64.
Mostly Sunny

Thursday
Night
Thursday Night: Partly cloudy, with a low around 38.
Partly Cloudy

Friday

Friday: Sunny, with a high near 67.
Sunny

Hi 64 °F Lo 35 °F Hi 53 °F Lo 24 °F Hi 52 °F Lo 30 °F Hi 64 °F Lo 38 °F Hi 67 °F

 

This Afternoon
 
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 64. West wind around 11 mph.
Tonight
 
A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 35. South wind 5 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 53. Southeast wind 6 to 10 mph becoming north in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
 
Rain showers likely before 9pm, then rain and snow showers likely between 9pm and midnight, then a chance of snow showers after midnight. Some thunder is also possible. Mostly cloudy, with a low around 24. North northwest wind 10 to 14 mph becoming east northeast after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
 
Sunny, with a high near 52. East wind 8 to 10 mph becoming north northwest in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 30.
Thursday
 
Mostly sunny, with a high near 64.
Thursday Night
 
Partly cloudy, with a low around 38.
Friday
 
Sunny, with a high near 67.
Friday Night
 
Partly cloudy, with a low around 39.
Saturday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 61.
Saturday Night
 
Partly cloudy, with a low around 33.
Sunday
 
A slight chance of showers and thunderstorms. Sunny, with a high near 63.

 

Forecast from NOAA-NWS for Evanston WY.