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.

Overcast

65°F

18°C

Humidity 93%
Wind Speed N 9 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 Oct 12:52 am CDT
Extended Forecast for

Algonquin IL

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 4am. Cloudy, with a low around 60. North northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 63. Northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    High: 63 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54. Northeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, then rain and possibly a thunderstorm after 1pm. High near 58. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.

    High: 58 °F

    Rain Likely
    then Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 1am, then a slight chance of rain. Low around 48. East northeast wind 5 to 10 mph becoming northwest 10 to 15 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    Low: 48 °F

    Rain

  • Friday

    Friday: A 30 percent chance of rain before 1pm. Partly sunny, with a high near 54. Breezy.

    High: 54 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Partly Cloudy
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 55.

    High: 55 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 4am. Cloudy, with a low around 60. North northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 63. Northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 54. Northeast wind around 10 mph, with gusts as high as 15 mph.
Thursday
Rain likely, then rain and possibly a thunderstorm after 1pm. High near 58. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.
Thursday Night
Rain and possibly a thunderstorm before 1am, then a slight chance of rain. Low around 48. East northeast wind 5 to 10 mph becoming northwest 10 to 15 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Friday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 54. Breezy.
Friday Night
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33.
Saturday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 55.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Algonquin IL
 42.17°N 88.3°W
Last Update:
1:21 am CDT Oct 14, 2026
Forecast Valid:
1am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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