National Weather Service Forecast for: Elgin IL
Issued by: National Weather Service Chicago, IL
Updated: 12:21 am CST Dec 23, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 34. Southwest wind around 10 mph, with gusts as high as 15 mph.
Mostly Cloudy

 Tuesday

Tuesday: Partly sunny, with a high near 45. West southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Partly Sunny

 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 28. Northwest wind 5 to 10 mph becoming east after midnight.
Mostly Cloudy

 Wednesday

Wednesday: A 30 percent chance of rain or drizzle after noon. Cloudy, with a high near 41. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Mostly Cloudy
then Chance
Rain
 Wednesday
Night
Wednesday Night: Rain or drizzle likely before midnight, then a slight chance of drizzle after midnight. Patchy fog. Otherwise, cloudy, with a low around 37. Calm wind becoming north northeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%.
Rain Likely
and Patchy
Fog
 Christmas
Day
Christmas Day: Cloudy, with a high near 44.
Cloudy

 Thursday
Night
Thursday Night: Rain likely, mainly after midnight. Cloudy, with a low around 40. Chance of precipitation is 60%.
Rain Likely

 Friday

Friday: Mostly cloudy, with a high near 49.
Mostly Cloudy

 Friday
Night
Friday Night: Mostly cloudy, with a low around 36.
Mostly Cloudy
Lo 34 °F Hi 45 °F Lo 28 °F Hi 41 °F Lo 37 °F Hi 44 °F Lo 40 °F Hi 49 °F Lo 36 °F

 

Overnight
 
 Mostly cloudy, with a low around 34. Southwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday
 
 Partly sunny, with a high near 45. West southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
 
 Mostly cloudy, with a low around 28. Northwest wind 5 to 10 mph becoming east after midnight.
Wednesday
 
 A 30 percent chance of rain or drizzle after noon. Cloudy, with a high near 41. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
 
 Rain or drizzle likely before midnight, then a slight chance of drizzle after midnight. Patchy fog. Otherwise, cloudy, with a low around 37. Calm wind becoming north northeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%.
Christmas Day
 
 Cloudy, with a high near 44.
Thursday Night
 
 Rain likely, mainly after midnight. Cloudy, with a low around 40. Chance of precipitation is 60%.
Friday
 
 Mostly cloudy, with a high near 49.
Friday Night
 
 Mostly cloudy, with a low around 36.
Saturday
 
 Mostly cloudy, with a high near 50.
Saturday Night
 
 Mostly cloudy, with a low around 25. Blustery.
Sunday
 
 Mostly sunny, with a high near 31. Blustery.
Sunday Night
 
 Partly cloudy, with a low around 12. Blustery.
Monday
 
 Mostly sunny, with a high near 25. Blustery.

 

Forecast from NOAA-NWS for Elgin IL.