National Weather Service Forecast for: Romeoville IL
Issued by: National Weather Service Chicago, IL
Updated: 2:41 pm CST Feb 2, 2026
 
This
Afternoon
This Afternoon: Intermittent flurries before 5pm. Mostly cloudy, with a high near 30. West northwest wind around 5 mph, with gusts as high as 10 mph.
Intermittent
Flurries
 Tonight

Tonight: A 30 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 17. West northwest wind around 5 mph.
Mostly Cloudy
then Chance
Snow
 Tuesday

Tuesday: Mostly sunny, with a high near 27. North wind 5 to 10 mph.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 11. North northwest wind around 5 mph, with gusts as high as 10 mph.
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 27. Northwest wind around 5 mph, with gusts as high as 10 mph.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 13.
Partly Cloudy

 Thursday

Thursday: Mostly cloudy, with a high near 32.
Mostly Cloudy

 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 27.
Mostly Cloudy

 Friday

Friday: Mostly cloudy, with a high near 38.
Mostly Cloudy
Hi 30 °F Lo 17 °F Hi 27 °F Lo 11 °F Hi 27 °F Lo 13 °F Hi 32 °F Lo 27 °F Hi 38 °F

Hazardous Weather Outlook
 

This Afternoon
 
 Intermittent flurries before 5pm. Mostly cloudy, with a high near 30. West northwest wind around 5 mph, with gusts as high as 10 mph.
Tonight
 
 A 30 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 17. West northwest wind around 5 mph.
Tuesday
 
 Mostly sunny, with a high near 27. North wind 5 to 10 mph.
Tuesday Night
 
 Partly cloudy, with a low around 11. North northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday
 
 Mostly sunny, with a high near 27. Northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
 
 Partly cloudy, with a low around 13.
Thursday
 
 Mostly cloudy, with a high near 32.
Thursday Night
 
 Mostly cloudy, with a low around 27.
Friday
 
 Mostly cloudy, with a high near 38.
Friday Night
 
 Partly cloudy, with a low around 13.
Saturday
 
 Mostly sunny, with a high near 28.
Saturday Night
 
 Mostly cloudy, with a low around 14.
Sunday
 
 Mostly sunny, with a high near 32.
Sunday Night
 
 Partly cloudy, with a low around 17.
Monday
 
 Mostly sunny, with a high near 36.

 

Forecast from NOAA-NWS for Romeoville IL.