National Weather Service Forecast for: Des Plaines IL
Issued by: National Weather Service Chicago, IL
Updated: 1:26 am CDT Aug 11, 2025
 
Overnight

Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 75. South southwest wind around 10 mph.
Slight Chance
T-storms

 Monday

Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. West southwest wind around 10 mph, with gusts as high as 15 mph.
Chance
Showers then
Chance
T-storms
 Monday
Night
Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind around 5 mph.
Chance
T-storms

 Tuesday

Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Chance
T-storms

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 69. West southwest wind around 5 mph, with gusts as high as 10 mph.
Partly Cloudy

 Wednesday

Wednesday: Sunny, with a high near 83.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 66.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 82.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 68.
Mostly Clear
Lo 75 °F Hi 88 °F Lo 72 °F Hi 85 °F Lo 69 °F Hi 83 °F Lo 66 °F Hi 82 °F Lo 68 °F

Hazardous Weather Outlook
 

Overnight
 
 A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 75. South southwest wind around 10 mph.
Monday
 
 A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. West southwest wind around 10 mph, with gusts as high as 15 mph.
Monday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind around 5 mph.
Tuesday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
 
 Partly cloudy, with a low around 69. West southwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday
 
 Sunny, with a high near 83.
Wednesday Night
 
 Mostly clear, with a low around 66.
Thursday
 
 Sunny, with a high near 82.
Thursday Night
 
 Mostly clear, with a low around 68.
Friday
 
 Sunny, with a high near 89.
Friday Night
 
 Mostly clear, with a low around 72.
Saturday
 
 Sunny, with a high near 92.
Saturday Night
 
 Partly cloudy, with a low around 74.
Sunday
 
 Mostly sunny, with a high near 90.

 

Forecast from NOAA-NWS for Des Plaines IL.