National Weather Service Forecast for: Plainfield IL
Issued by: National Weather Service Chicago, IL
Updated: 4:46 am CST Dec 5, 2025
 
Today

Today: Patchy freezing fog before 9am. Partly sunny, with a high near 27. Wind chill values as low as -8. South southwest wind around 10 mph, with gusts as high as 20 mph.
Patchy
Freezing Fog
then Partly
Sunny
 Tonight

Tonight: Patchy snow and freezing rain between 9pm and 3am. Mostly cloudy, with a temperature rising to around 30 by 1am. South southwest wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Patchy Wintry
Mix

 Saturday

Saturday: Partly sunny, with a temperature falling to around 22 by 5pm. West northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.
Partly Sunny

 Saturday
Night
Saturday Night: Snow likely, mainly after midnight. Cloudy, with a low around 17. Calm wind becoming northeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Slight Chance
Snow then
Snow Likely
 Sunday

Sunday: Snow likely before noon. Partly sunny, with a high near 26. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Snow Likely
then Partly
Sunny
 Sunday
Night
Sunday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 6.
Slight Chance
Snow Showers
then Mostly
Cloudy
 Monday

Monday: Partly sunny, with a high near 20.
Partly Sunny

 Monday
Night
Monday Night: A chance of snow. Mostly cloudy, with a low around 12.
Chance Snow

 Tuesday

Tuesday: Mostly cloudy, with a high near 34.
Mostly Cloudy
Hi 27 °F Lo 24 °F⇑ Hi 26 °F⇓ Lo 17 °F Hi 26 °F Lo 6 °F Hi 20 °F Lo 12 °F Hi 34 °F

Hazardous Weather Outlook
Hydrologic Outlook
 

Today
 
 Patchy freezing fog before 9am. Partly sunny, with a high near 27. Wind chill values as low as -8. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
 
 Patchy snow and freezing rain between 9pm and 3am. Mostly cloudy, with a temperature rising to around 30 by 1am. South southwest wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday
 
 Partly sunny, with a temperature falling to around 22 by 5pm. West northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
 
 Snow likely, mainly after midnight. Cloudy, with a low around 17. Calm wind becoming northeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday
 
 Snow likely before noon. Partly sunny, with a high near 26. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
 
 A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 6.
Monday
 
 Partly sunny, with a high near 20.
Monday Night
 
 A chance of snow. Mostly cloudy, with a low around 12.
Tuesday
 
 Mostly cloudy, with a high near 34.
Tuesday Night
 
 A chance of rain and snow before midnight, then rain likely. Cloudy, with a low around 29.
Wednesday
 
 A chance of rain and snow. Cloudy, with a high near 35.
Wednesday Night
 
 A chance of snow. Mostly cloudy, with a low around 13.
Thursday
 
 Partly sunny, with a high near 22.

 

Forecast from NOAA-NWS for Plainfield IL.