National Weather Service Forecast for: Evanston WY
Issued by: National Weather Service Salt Lake City, UT
Updated: 2:06 pm MST Dec 17, 2025
 
Tonight

Tonight: Mostly cloudy, with a low around 20. Wind chill values as low as 10. West wind 15 to 17 mph, with gusts as high as 32 mph.
Mostly Cloudy

Thursday

Thursday: A 40 percent chance of snow after 2pm.  Partly sunny, with a high near 39. West southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.  Little or no snow accumulation expected.
Mostly Sunny
then Chance
Snow
Thursday
Night
Thursday Night: Partly cloudy, with a steady temperature around 37. Southwest wind 18 to 20 mph, with gusts as high as 36 mph.
Partly Cloudy

Friday

Friday: A chance of rain after 11am, mixing with snow after 2pm.  Increasing clouds, with a high near 48. Breezy, with a southwest wind 21 to 25 mph, with gusts as high as 44 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.
Breezy.
Chance Rain
then Chance
Rain/Snow
Friday
Night
Friday Night: Rain and snow.  Low around 31. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 43 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Rain/Snow and
Breezy

Saturday

Saturday: Snow likely before 5pm, then a slight chance of rain.  Mostly cloudy, with a high near 39. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Snow Likely
then Chance
Rain/Snow
Saturday
Night
Saturday Night: A slight chance of rain before 8pm, then a slight chance of snow between 8pm and 11pm, then a slight chance of rain and snow after 11pm.  Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Slight Chance
Rain/Snow

Sunday

Sunday: A chance of rain.  Mostly cloudy, with a high near 44.
Chance Rain

Sunday
Night
Sunday Night: A chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 35.
Chance Rain

Lo 20 °F Hi 39 °F Lo 37 °F Hi 48 °F Lo 31 °F Hi 39 °F Lo 27 °F Hi 44 °F Lo 35 °F

 

Tonight
 
Mostly cloudy, with a low around 20. Wind chill values as low as 10. West wind 15 to 17 mph, with gusts as high as 32 mph.
Thursday
 
A 40 percent chance of snow after 2pm. Partly sunny, with a high near 39. West southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph. Little or no snow accumulation expected.
Thursday Night
 
Partly cloudy, with a steady temperature around 37. Southwest wind 18 to 20 mph, with gusts as high as 36 mph.
Friday
 
A chance of rain after 11am, mixing with snow after 2pm. Increasing clouds, with a high near 48. Breezy, with a southwest wind 21 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
 
Rain and snow. Low around 31. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday
 
Snow likely before 5pm, then a slight chance of rain. Mostly cloudy, with a high near 39. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
 
A slight chance of rain before 8pm, then a slight chance of snow between 8pm and 11pm, then a slight chance of rain and snow after 11pm. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Sunday
 
A chance of rain. Mostly cloudy, with a high near 44.
Sunday Night
 
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 35.
Monday
 
A slight chance of rain. Mostly cloudy, with a high near 46.
Monday Night
 
A slight chance of rain. Mostly cloudy, with a low around 30.
Tuesday
 
Partly sunny, with a high near 48.
Tuesday Night
 
Mostly cloudy, with a low around 32.
Wednesday
 
A chance of rain and snow. Mostly cloudy, with a high near 46.

 

Forecast from NOAA-NWS for Evanston WY.