National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Clear with Haze

73°F

23°C

Humidity 53%
Wind Speed N 9 mph
Barometer 30.07 in
Dewpoint 55°F (13°C)
Visibility 6.00 mi
Last update 23 Aug 10:53 am CDT
Extended Forecast for

Algonquin IL

  • Today

    Today: Mostly sunny, with a high near 74. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. North northwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. North wind around 5 mph becoming calm.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 74. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 53. North northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 55. North wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Algonquin IL
 42.14°N 88.3°W
Last Update:
9:16 am CDT Aug 23, 2026
Forecast Valid:
11am CDT Aug 23, 2026-6pm CDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation