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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: 5:21 am CST Jan 18, 2026 Latitude: 41.5680556 Longitude: -88.2208333 View on Google Maps

MouseOver for Detail Forecast
Today Tonight M.L.King Day Tuesday Wednesday Thursday Friday Saturday
60% chance of snow on Today 90% chance of snow on Tonight Mostly Sunny on M.L.King Day Mostly Sunny on Tuesday 20% chance of snow on Wednesday Mostly Sunny on Thursday 20% chance of snow on Friday 20% chance of snow on Saturday
High: 20°F Low: 1 °F High: 8 °F High: 23°F High: 30°F High: 21°F High: 29°F High: 17°F
Low: 3 °F Low: 16°F Low: 12°F Low: 14°F Low: 10°F  
Snow Snow Mostly Sunny Mostly Sunny Snow Mostly Sunny Snow Snow
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Current Conditions at
JOLIET - (KJOT)
10°
Cloudy
as of 7:15 AM CST
Rel. Humidity: 72%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: MVFR
Wind Data
7 MPH
270° West
Cloud Level(s): Solid Overcast at 1900ft
Current Conditions at
ROMEOVILLE WFO - (KLOT)
Feels like -8°F
Mostly Cloudy
as of 6:45 AM CST
Rel. Humidity: 77%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: MVFR
Wind Data
12 MPH
Gust: 23 MPH
250° West
Cloud Level(s): Broken at 1800ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
Feels like -6°F
Cloudy
as of 7:15 AM CST
Rel. Humidity: 71%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: MVFR
Wind Data
12 MPH
280° West
Cloud Level(s): Solid Overcast at 1800ft
Current Conditions at
AURORA - (KARR)
Feels like -12°F
Clear
as of 6:52 AM CST
Rel. Humidity: 71%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
15 MPH
260° West
Cloud Level(s): Clear
60% chance of snow Today Today... Snow likely, mainly after 5pm. Mostly cloudy, with a high near 20. Wind chill values as low as -6. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

90% chance of snow Tonight Tonight... Snow, mainly before 11pm. Low around 1. Wind chill values as low as -18. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Mostly Sunny on M.L.King Day M.L.King Day... Mostly sunny and cold, with a high near 8. Wind chill values as low as -20. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 3. Wind chill values as low as -10. West wind 5 to 10 mph, with gusts as high as 20 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 23. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

40% chance of snow Tuesday Night Tuesday Night... A 40 percent chance of snow. Mostly cloudy, with a low around 16.

20% chance of snow Wednesday Wednesday... A 20 percent chance of snow after noon. Mostly cloudy, with a high near 30.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 12.

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

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

20% chance of snow Friday Friday... A chance of snow. Mostly cloudy, with a high near 29.

20% chance of snow Friday Night Friday Night... A chance of snow. Mostly cloudy, with a low around 10.

20% chance of snow Saturday Saturday... A chance of snow. Partly sunny, with a high near 17.

Current Radar Image


Sun Almanac for Fond du Lac, Illinois
Sunrise: 07:15 AM
Sunset: 4:51 PM
Civil Sunrise:06:45 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 6:29 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.