National Weather Service Forecast for: Hoffman Estates IL
Issued by: National Weather Service Chicago, IL
Updated: 7:46 am CDT Jun 30, 2026
 
Today

Today: Sunny, with a high near 94. Heat index values as high as 106. Southwest wind around 15 mph, with gusts as high as 30 mph.
Sunny

 Tonight

Tonight: Mostly clear, with a low around 77. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Mostly Clear

 Wednesday

Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 105. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Hot

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 78. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Clear

 Thursday

Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny then
Slight Chance
T-storms
 Thursday
Night
Thursday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Slight Chance
T-storms then
Showers
Likely
 Friday

Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Showers
Likely

 Friday
Night
Friday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.
Chance
T-storms

 Independence
Day
Independence Day: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87.
Chance
Showers then
Chance
T-storms
Hi 94 °F Lo 77 °F Hi 95 °F Lo 78 °F Hi 94 °F Lo 74 °F Hi 91 °F Lo 71 °F Hi 87 °F

Hazardous Weather Outlook
Extreme Heat Warning
 

Today
 
 Sunny, with a high near 94. Heat index values as high as 106. Southwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
 
 Mostly clear, with a low around 77. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
 
 Sunny and hot, with a high near 95. Heat index values as high as 105. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
 
 Mostly clear, with a low around 78. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
 
 A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Friday
 
 Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Friday Night
 
 A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.
Independence Day
 
 A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87.
Saturday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Sunday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Monday
 
 Mostly sunny, with a high near 85.

 

Forecast from NOAA-NWS for Hoffman Estates IL.