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Fond du Lac, Illinois Weather Forecast
Fond du Lac, Illinois Weather
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Weather Forecast for Fond du Lac, Illinois : Will County
Issued: 5:36 pm CST Jan 9, 2026 Latitude: 41.5680556 Longitude: -88.2208333 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
50% chance of rain on Tonight 90% chance of rain & snow on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday 20% chance of rain on Tuesday 20% chance of rain & snow on Wednesday Partly Sunny on Thursday 20% chance of snow on Friday
Low: 34°F High: 37°F High: 32°F High: 41°F High: 46°F High: 34°F High: 29°F High: 34°F
Low: 21°F Low: 24°F Low: 32°F Low: 30°F Low: 18°F Low: 22°F  
Rain Rain & Snow Mostly Sunny Mostly Sunny Rain Rain & Snow Partly Sunny Snow
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Current Conditions at
JOLIET - (KJOT)
43°
Cloudy
as of 5:15 PM CST
Rel. Humidity: 81%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: MVFR
Wind Data
3 MPH
240° Southwest
Cloud Level(s): Solid Overcast at 1600ft
Current Conditions at
ROMEOVILLE WFO - (KLOT)
43°
Cloudy
as of 4:45 PM CST
Rel. Humidity: 81%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
41°
Cloudy
as of 5:15 PM CST
Rel. Humidity: 86%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
AURORA - (KARR)
39°
Cloudy
as of 4:52 PM CST
Rel. Humidity: 86%
Dew Point: 36°F
Visibility: 8 Miles
Pressure: 30.15 in.
Flight Rule: MVFR
Wind Data
3 MPH
080° East
Cloud Level(s): Solid Overcast at 1500ft
50% chance of rain Tonight Tonight... A 50 percent chance of rain, mainly after 2am. Cloudy, with a low around 34. North wind around 5 mph becoming south after midnight.
90% chance of rain & snow Saturday Saturday... Rain and snow before noon, then a chance of snow showers. High near 37. South wind 5 to 10 mph becoming west 10 to 15 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
40% chance of snow Saturday Night Saturday Night... Scattered snow showers, mainly before midnight. Mostly cloudy, with a low around 21. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 32. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 24. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 41.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 32.
20% chance of rain Tuesday Tuesday... A chance of rain after noon. Mostly cloudy, with a high near 46.
20% chance of rain Tuesday Night Tuesday Night... A chance of rain. Mostly cloudy, with a low around 30.
20% chance of rain & snow Wednesday Wednesday... A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 34.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 18.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 29.
20% chance of snow Thursday Night Thursday Night... A chance of snow. Mostly cloudy, with a low around 22.
20% chance of snow Friday Friday... A chance of snow. Mostly cloudy, with a high near 34.
Current Radar Image


Sun Almanac for Fond du Lac, Illinois
Sunrise: 07:19 AM
Sunset: 4:41 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:47 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:20 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.