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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: 4:01 pm CST Jan 18, 2026 Latitude: 41.5680556 Longitude: -88.2208333 View on Google Maps

MouseOver for Detail Forecast
Tonight M.L.King Day Tuesday Wednesday Thursday Friday Saturday Sunday
90% chance of snow on Tonight Mostly Sunny on M.L.King Day Sunny on Tuesday 20% chance of snow on Wednesday Mostly Sunny on Thursday Partly Sunny on Friday 20% chance of snow on Saturday Partly Sunny on Sunday
Low: 1 °F High: 8 °F High: 22°F High: 30°F High: 19°F High: 19°F High: 11°F High: 10°F
Low: 5 °F Low: 16°F Low: 11°F Low: 8°F Low: 2°F Low: -3°F  
Snow Mostly Sunny Sunny Snow Mostly Sunny Partly Sunny Snow Partly Sunny
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Current Conditions at
JOLIET - (KJOT)
19°
Cloudy
Light Snow
as of 7:55 PM CST
Rel. Humidity: 85%
Dew Point: 16°F
Visibility: 5 Miles
Pressure: 29.92 in.
Flight Rule: MVFR
Wind Data
6 MPH
220° Southwest
Cloud Level(s): Scattered at 1800ft, Scattered at 2400ft, Solid Overcast at 8500ft
Current Conditions at
ROMEOVILLE WFO - (KLOT)
18°
Feels like 4°F
Mostly Cloudy
Light Snow Mist
as of 7:55 PM CST
Rel. Humidity: 85%
Dew Point: 14°F
Visibility: 6 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
12 MPH
210° Southwest
Cloud Level(s): Few at 1700ft, Broken at 4900ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
19°
Feels like 6°F
Cloudy
as of 7:55 PM CST
Rel. Humidity: 67%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
14 MPH
240° Southwest
Cloud Level(s): Scattered at 1900ft, Solid Overcast at 8000ft
Current Conditions at
AURORA - (KARR)
18°
Feels like 4°F
Cloudy
as of 7:52 PM CST
Rel. Humidity: 72%
Dew Point: 10°F
Visibility: 9 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
12 MPH
220° Southwest
Cloud Level(s): Scattered at 4100ft, Solid Overcast at 7000ft
90% chance of snow Tonight Tonight... Snow, mainly before 11pm, then scattered snow showers after midnight. Low around 1. Wind chill values as low as -19. Blustery, with a southwest wind 10 to 15 mph becoming west northwest 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one 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 -22. Blustery, with a west northwest wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Mostly Clear on Monday Night Monday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around 5. Wind chill values as low as -10. West wind 5 to 15 mph, with gusts as high as 20 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 22. Wind chill values as low as -7. West wind 5 to 10 mph, with gusts as high as 15 mph.
50% chance of snow Tuesday Night Tuesday Night... A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 16. South wind 5 to 15 mph.
20% chance of snow Wednesday Wednesday... A 20 percent chance of snow before noon. Mostly cloudy, with a high near 30.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 11.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 19.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 8.
Partly Sunny on Friday Friday... Partly sunny, with a high near 19.
20% chance of snow Friday Night Friday Night... A chance of snow. Mostly cloudy, with a low around 2.
20% chance of snow Saturday Saturday... A chance of snow. Mostly cloudy, with a high near 11.
20% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around -3.
Partly Sunny on Sunday Sunday... Partly sunny and cold, with a high near 10.
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
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