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Johnsburg, Illinois Weather Forecast
Johnsburg, Illinois Weather
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Weather Forecast for Johnsburg, Illinois : McHenry County
Issued: 3:56 am CST Dec 7, 2025 Latitude: 42.3800209 Longitude: -88.2420315 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
100% chance of snow on Overnight 70% chance of snow on Sunday Mostly Cloudy on Monday 20% chance of rain & snow on Tuesday 20% chance of rain & snow on Wednesday 20% chance of snow on Thursday Partly Sunny on Friday Partly Sunny on Saturday
Low: 25°F High: 14 °F High: 24°F High: 36°F High: 35°F High: 25°F High: 16°F High: 11°F
Low: 14 °F Low: 14°F Low: 33°F Low: 14°F Low: 7°F Low: -1°F  
Snow Snow Mostly Cloudy Rain & Snow Rain & Snow Snow Partly Sunny Partly Sunny
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Current Conditions at
WAUKEGAN - (KUGN)
28°
Cloudy
Light Snow Mist
as of 4:00 AM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 1 Miles
Pressure: 29.99 in.
Flight Rule: IFR
Wind Data
3 MPH
340° North
Cloud Level(s): Scattered at 600ft, Solid Overcast at 1300ft
Current Conditions at
BURLINGTON MUNICIPAL AIR - (KBUU)
23°
Cloudy
as of 3:55 AM CST
Rel. Humidity: 92%
Dew Point: 21°F
Visibility: 1 1/4 Miles
Pressure: 30.02 in.
Flight Rule: IFR
Wind Data
6 MPH
010° North
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
CHICAGO/WHEELING - (KPWK)
28°
Clear
Light Snow Mist
as of 3:52 AM CST
Rel. Humidity: 100%
Dew Point: 28°F
Visibility: 1 Miles
Pressure: 30.01 in.
Flight Rule: IFR
Wind Data
6 MPH
010° North
100% chance of snow Overnight Overnight... Snow. The snow could be heavy at times. Steady temperature around 25. North wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

70% chance of snow Sunday Sunday... Snow likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 14 by 5pm. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

30% chance of snow Sunday Night Sunday Night... A 30 percent chance of snow showers, mainly between 8pm and midnight. Mostly cloudy, with a temperature rising to around 14 by 5am. Wind chill values as low as zero. North wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 24. Light southwest wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

30% chance of snow Monday Night Monday Night... A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 14. South wind 10 to 15 mph, with gusts as high as 25 mph.

20% chance of rain & snow Tuesday Tuesday... A slight chance of rain and snow after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.

90% chance of rain & snow Tuesday Night Tuesday Night... Rain, possibly mixed with snow, becoming all rain after 9pm. Low around 33. Chance of precipitation is 90%.

20% chance of rain & snow Wednesday Wednesday... A chance of rain and snow showers before 9am, then a chance of snow showers between 9am and noon. Mostly cloudy, with a high near 35.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 14.

20% chance of snow Thursday Thursday... A chance of snow after noon. Mostly cloudy, with a high near 25.

20% chance of snow Thursday Night Thursday Night... A chance of snow. Mostly cloudy, with a low around 7.

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

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -1.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 11.

Current Radar Image


Sun Almanac for Johnsburg, Illinois
Sunrise: 07:09 AM
Sunset: 4:20 PM
Civil Sunrise:06:37 AM
Civil Sunset: 4:52 PM
Nautical Sunrise: 06:02 AM
Nautical Sunset: 5:27 PM
Astro Sunrise: 05:28 AM
Astro Sunset: 6:01 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.