National Weather Service Forecast for: Plainfield IL
Issued by: National Weather Service Chicago, IL
Updated: 10:36 am CST Feb 2, 2026
 
Today

Today: Scattered flurries before 5pm. Mostly cloudy, with a high near 29. West northwest wind 5 to 10 mph.
Scattered
Flurries
 Tonight

Tonight: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 17. West northwest wind around 5 mph.
Mostly Cloudy
then Slight
Chance Snow
 Tuesday

Tuesday: Mostly sunny, with a high near 26. North wind 5 to 10 mph.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 10. North northwest wind 5 to 10 mph.
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 26. West northwest wind around 5 mph, with gusts as high as 10 mph.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 12.
Partly Cloudy

 Thursday

Thursday: Partly sunny, with a high near 32.
Partly Sunny

 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 29.
Mostly Cloudy

 Friday

Friday: Mostly cloudy, with a high near 35.
Mostly Cloudy
Hi 29 °F Lo 17 °F Hi 26 °F Lo 10 °F Hi 26 °F Lo 12 °F Hi 32 °F Lo 29 °F Hi 35 °F

 

Today
 
 Scattered flurries before 5pm. Mostly cloudy, with a high near 29. West northwest wind 5 to 10 mph.
Tonight
 
 A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 17. West northwest wind around 5 mph.
Tuesday
 
 Mostly sunny, with a high near 26. North wind 5 to 10 mph.
Tuesday Night
 
 Partly cloudy, with a low around 10. North northwest wind 5 to 10 mph.
Wednesday
 
 Mostly sunny, with a high near 26. West northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
 
 Partly cloudy, with a low around 12.
Thursday
 
 Partly sunny, with a high near 32.
Thursday Night
 
 Mostly cloudy, with a low around 29.
Friday
 
 Mostly cloudy, with a high near 35.
Friday Night
 
 Partly cloudy, with a low around 12.
Saturday
 
 Mostly sunny, with a high near 25.
Saturday Night
 
 Partly cloudy, with a low around 16.
Sunday
 
 Mostly sunny, with a high near 30.

 

Forecast from NOAA-NWS for Plainfield IL.