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.

Fair

62°F

17°C

Humidity 62%
Wind Speed S 10 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 17 Oct 9:52 am CDT
Extended Forecast for

Algonquin IL

  • Today

    Today: A 20 percent chance of showers before 11am. Partly sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 61. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Mostly Cloudy
    then Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 72. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 48. Southwest wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Partly sunny, with a high near 58. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 58 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. Breezy.

    High: 66 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A chance of showers. Partly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. Breezy.

    High: 56 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
A 20 percent chance of showers before 11am. Partly sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
A chance of showers and thunderstorms between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 61. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 72. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 48. Southwest wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Sunday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Partly sunny, with a high near 58. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 66. Breezy.
Monday Night
A chance of showers. Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 56. Breezy.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Algonquin IL
 42.19°N 88.3°W
Last Update:
10:06 am CDT Oct 17, 2025
Forecast Valid:
10am CDT Oct 17, 2025-6pm CDT Oct 23, 2025
 
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