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

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Overcast

58°F

14°C

Humidity 75%
Wind Speed NE 6 mph
Barometer 30.20 in (1022.7 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 16 Oct 1:52 am CDT
Extended Forecast for

Algonquin IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 54. Northeast wind around 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 4pm. Partly sunny, with a high near 68. Southeast wind 5 to 10 mph.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 55. East southeast wind 5 to 10 mph.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 76. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 72. Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 1pm. Partly sunny, with a high near 58. Breezy.

    High: 58 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 54. Northeast wind around 5 mph.
Thursday
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 68. Southeast wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 55. East southeast wind 5 to 10 mph.
Friday
Partly sunny, with a high near 76. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 72. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Sunday
A chance of showers before 1pm. Partly sunny, with a high near 58. Breezy.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 65.
Monday Night
A chance of showers. Partly cloudy, with a low around 47.
Tuesday
A chance of showers. Mostly sunny, with a high near 62.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Algonquin IL
 42.17°N 88.3°W
Last Update:
1:46 am CDT Oct 16, 2025
Forecast Valid:
2am CDT Oct 16, 2025-6pm CDT Oct 22, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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