Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

A Few Clouds

85°F

29°C

Humidity 68%
Wind Speed SW 7 mph
Barometer 29.97 in (1014.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 2 Sep 10:52 am CDT
Extended Forecast for

Algonquin IL

Heat Advisory September 2, 12:00pm until September 2, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Mostly sunny, with a high near 91. Heat index values as high as 100. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Partly cloudy, with a low around 73. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87. Heat index values as high as 97. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 87 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 71. Southeast wind around 5 mph.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 86. Calm wind becoming east southeast around 5 mph in the morning.

    High: 86 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 69.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 91. Heat index values as high as 100. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 73. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Heat index values as high as 97. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Southeast wind around 5 mph.
Friday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Calm wind becoming east southeast around 5 mph in the morning.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Partly sunny, with a high near 82.
Sunday Night
A chance of showers after 1am. Partly cloudy, with a low around 65.
Labor Day
A chance of showers. Partly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 63.
Tuesday
Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Algonquin IL
 42.17°N 88.3°W
9:56 am CDT Sep 2, 2026
11am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
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Additional Resources

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