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

56°F

13°C

Humidity 65%
Wind Speed SE 5 mph
Barometer 30.31 in (1026.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 1 Nov 1:52 am CST
Extended Forecast for

Algonquin IL

  • Overnight

    Overnight: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Cloudy, with a low around 51. South southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly cloudy, with a high near 64. South southeast wind around 5 mph.

    High: 64 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 52. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 52 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of showers after 5pm. Cloudy, with a high near 65. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 65 °F

    Cloudy then
    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers. Cloudy, with a low around 57. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 57 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Rain, mainly after noon. High near 72. Breezy. Chance of precipitation is 80%.

    High: 72 °F

    Chance Rain
    and Breezy
    then Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 66.

    High: 66 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before midnight. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Cloudy, with a low around 51. South southeast wind around 5 mph. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 64. South southeast wind around 5 mph.
Sunday Night
A 20 percent chance of showers before 7pm. Mostly cloudy, with a low around 52. South wind around 5 mph, with gusts as high as 15 mph.
Monday
A 40 percent chance of showers after 5pm. Cloudy, with a high near 65. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 50 percent chance of showers. Cloudy, with a low around 57. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Rain, mainly after noon. High near 72. Breezy. Chance of precipitation is 80%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 55. Chance of precipitation is 80%.
Wednesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 66.
Wednesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 49.
Thursday
A chance of rain after noon. Mostly cloudy, with a high near 62.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 46.
Friday
A chance of rain. Mostly cloudy, with a high near 58.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Algonquin IL
 42.17°N 88.3°W
Last Update:
1:21 am CDT Nov 1, 2026
Forecast Valid:
2am CST Nov 1, 2026-6pm CST Nov 7, 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