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

25°F

-4°C

Humidity 48%
Wind Speed N 9 mph
Barometer 30.46 in (1032.6 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 23 Feb 11:52 am CST
Extended Forecast for

Algonquin IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 27. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 27 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 15 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 41. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph. Chance of precipitation is 20%.

    High: 41 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 32. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Partly sunny, with a high near 36.

    High: 36 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 27. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 16. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 15 mph.
Tuesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 41. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 20. West northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 32. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20.
Thursday
A 30 percent chance of snow before noon. Partly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
A chance of snow. Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Algonquin IL
 42.17°N 88.3°W
Last Update:
12:21 pm CST Feb 23, 2026
Forecast Valid:
12pm CST Feb 23, 2026-6pm CST Mar 1, 2026
 
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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