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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: 2:56 am CST Jan 7, 2026 Latitude: 41.5680556 Longitude: -88.2208333 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Patchy Fog on Overnight Fog on Wednesday 90% chance of rain on Thursday 30% chance of rain on Friday 20% chance of rain & snow on Saturday Partly Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday
Low: 34°F High: 47°F High: 56°F High: 50°F High: 40°F High: 29°F High: 38°F High: 41°F
Low: 36°F Low: 44°F Low: 36°F Low: 22°F Low: 20°F Low: 28°F  
Patchy Fog Fog Rain Rain Rain & Snow Partly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
JOLIET - (KJOT)
37°
Cloudy
Mist
as of 2:55 AM CST
Rel. Humidity: 100%
Dew Point: 37°F
Visibility: 5 Miles
Pressure: 29.85 in.
Flight Rule: IFR
Wind Data
7 MPH
280° West
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
ROMEOVILLE WFO - (KLOT)
36°
Cloudy
Mist
as of 2:50 AM CST
Rel. Humidity: 100%
Dew Point: 36°F
Visibility: 5 Miles
Pressure: 29.84 in.
Flight Rule: IFR
Wind Data
7 MPH
250° West
Cloud Level(s): Solid Overcast at 500ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
36°
Feels like 28°F
Cloudy
Mist
as of 2:55 AM CST
Rel. Humidity: 100%
Dew Point: 36°F
Visibility: 4 Miles
Pressure: 29.84 in.
Flight Rule: LIFR
Wind Data
10 MPH
290° West
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
AURORA - (KARR)
34°
Feels like 24°F
Cloudy
Mist
as of 2:52 AM CST
Rel. Humidity: 100%
Dew Point: 34°F
Visibility: 3 Miles
Pressure: 29.84 in.
Flight Rule: LIFR
Wind Data
13 MPH
280° West
Cloud Level(s): Solid Overcast at 400ft
Patchy Fog on Overnight Overnight... Patchy fog. Otherwise, cloudy, with a low around 34. West wind around 5 mph.

Fog on Wednesday Wednesday... Areas of dense fog before noon. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 47. West wind 5 to 10 mph becoming south in the afternoon.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 36. South wind around 10 mph.

90% chance of rain Thursday Thursday... Rain after noon. High near 56. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

90% chance of thunderstorms Thursday Night Thursday Night... Rain and possibly a thunderstorm before 9pm, then rain between 9pm and midnight, then a chance of rain and thunderstorms after midnight. Low around 44. South southeast wind around 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

30% chance of rain Friday Friday... A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 50.

50% chance of rain Friday Night Friday Night... A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 36.

20% chance of rain & snow Saturday Saturday... Rain likely before noon, then a chance of rain and snow. Mostly cloudy, with a high near 40.

20% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 22.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 29.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 20.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 38.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 28.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 41.

Current Radar Image


Sun Almanac for Fond du Lac, Illinois
Sunrise: 07:19 AM
Sunset: 4:39 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:45 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:18 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.