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Algonquin, Illinois Weather Forecast
Algonquin, Illinois Weather
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Weather Forecast for Algonquin, Illinois : McHenry County
Issued: 12:11 am CST Jan 25, 2026 Latitude: 42.1655801 Longitude: -88.2942493 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
20% chance of snow on Overnight 20% chance of snow on Sunday Sunny on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday
Low: -1°F High: 10°F High: 9 °F High: 16°F High: 13°F High: 13°F High: 16°F High: 21°F
Low: -2°F Low: 3 °F Low: 0°F Low: 0°F Low: 1°F Low: 5°F  
Snow Snow Sunny Partly Sunny Mostly Cloudy Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
WEST CHICAGO - (KDPA)
Feels like -11°F
Cloudy
Light Snow
as of 12:12 AM CST
Rel. Humidity: 84%
Dew Point: -0°F
Visibility: 2 1/2 Miles
Pressure: 30.34 in.
Flight Rule: IFR
Wind Data
9 MPH
010° North
Cloud Level(s): Solid Overcast at 3700ft
Current Conditions at
CHICAGO/WHEELING - (KPWK)
Clear
Light Snow
as of 12:42 AM CST
Rel. Humidity: 77%
Dew Point: -0°F
Visibility: 2 1/2 Miles
Pressure: 30.35 in.
Flight Rule: IFR
Wind Data
5 MPH
350° North
Current Conditions at
CHICAGO-OHARE - (KORD)
Cloudy
Light Snow
as of 12:22 AM CST
Rel. Humidity: 77%
Dew Point: -0°F
Visibility: 1 3/4 Miles
Pressure: 30.34 in.
Flight Rule: IFR
Wind Data
7 MPH
350° North
Cloud Level(s): Solid Overcast at 1700ft
Current Conditions at
DE KALB TAYLOR MUNICIPAL - (KDKB)
Cloudy
Light Snow
as of 12:35 AM CST
Rel. Humidity: 77%
Dew Point: -4°F
Visibility: 3 Miles
Pressure: 30.34 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 3600ft
20% chance of snow Overnight Overnight... A 20 percent chance of snow before 3am. Cloudy, with a low around -1. Wind chill values as low as -14. North wind 5 to 10 mph, with gusts as high as 15 mph.

20% chance of snow Sunday Sunday... A 20 percent chance of snow before 9am. Cloudy and cold, with a high near 10. Wind chill values as low as -15. North wind 10 to 15 mph, with gusts as high as 25 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around -2. Wind chill values as low as -20. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

Sunny on Monday Monday... Sunny and cold, with a high near 9. Wind chill values as low as -21. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 3. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 16.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 0.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 13.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 0.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 13.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 1.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 16.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 5.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 21.

Current Radar Image


Sun Almanac for Algonquin, Illinois
Sunrise: 07:12 AM
Sunset: 4:59 PM
Civil Sunrise:06:42 AM
Civil Sunset: 5:29 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 6:03 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:36 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.