Detailed Forecast
Today
Mostly sunny, with a high near 92. South southwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 75. South wind 5 to 10 mph, with gusts
as high as 15 mph.
Monday
Sunny and hot, with a high near 96. Heat index values as high as 104.
South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 77. South southwest wind around 5 mph,
with gusts as high as 10 mph.
Tuesday
Sunny and hot, with a high near 98. Southwest wind 5 to 10 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am.
Partly cloudy, with a low around 74.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly
sunny, with a high near 85.
Wednesday Night
Mostly cloudy, with a low around 69.
Thursday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a
high near 85.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around
69.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near
83.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Sunny, with a high near 84.
Additional Forecasts and Information
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
409 AM CDT Sun Aug 25 2024
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-260915-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
409 AM CDT Sun Aug 25 2024 /509 AM EDT Sun Aug 25 2024/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk this morning, mainly near and west of
I-39.
DISCUSSION...
There is a slight chance for isolated thunderstorms this morning,
mainly near and west of I-39 in north central and northwest
Illinois.
DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday...
Significant Excessive Heat Risk.
Tuesday...
Limited Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Extreme Excessive Heat Risk.
Wednesday through Friday...
Limited Thunderstorm Risk.
DISCUSSION...
Dangerously hot and humid conditions are expected Monday into
Tuesday, with the hottest conditions expected on Tuesday. Peak
afternoon heat indices of 105 to 115 degrees are possible.
There is a chance of scattered thunderstorms Tuesday,
particularly Tuesday night. Some of these storms could be severe,
with damaging winds the primary threat.
SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the southeast at around 20 mph.
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