Fullerton, Illinois Weather
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Weather Forecast for Fullerton, Illinois : De Witt County
Issued: 5:25 am CDT Sep 16, 2025 Latitude: 40.2103131 Longitude: -88.7445158 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on Today Mostly Clear on Tonight Sunny on Wednesday Sunny on Thursday Partly Sunny on Friday 40% chance of on Saturday 20% chance of on Sunday 20% chance of on Monday
High: 90°F Low: 57°F High: 88°F High: 91°F High: 88°F High: 81°F High: 81°F High: 83°F
Low: 60°F Low: 63°F Low: 63°F Low: 62°F Low: 64°F  
Sunny Mostly Clear Sunny Sunny Partly Sunny Partly Sunny Partly Sunny Partly Sunny
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Current Conditions at
BLOOMINGTON - (KBMI)
57°
Clear
as of 4:56 AM CDST
Rel. Humidity: 93%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
6 MPH
060° Northeast
Cloud Level(s): Clear
Current Conditions at
DECATUR - (KDEC)
61°
Clear
as of 4:54 AM CDST
Rel. Humidity: 82%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
3 MPH
050° Northeast
Cloud Level(s): Clear
Current Conditions at
CHAMPAIGN - (KCMI)
63°
Clear
as of 4:53 AM CDST
Rel. Humidity: 77%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
6 MPH
070° East
Cloud Level(s): Clear
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
59°
Clear
as of 5:15 AM CDST
Rel. Humidity: 100%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 90. East northeast wind 6 to 8 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 57. East northeast wind 5 to 7 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 88. East wind around 5 mph.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 60. East wind around 6 mph.
Sunny on Thursday Thursday... Sunny, with a high near 91. South southeast wind around 6 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 63. Southeast wind around 7 mph.
Partly Sunny on Friday Friday... Partly sunny, with a high near 88. East southeast wind 6 to 9 mph becoming south southwest in the afternoon.
40% chance of rain Friday Night Friday Night... A 40 percent chance of showers. Mostly cloudy, with a low around 63.
40% chance of Saturday Saturday... A 40 percent chance of showers. Partly sunny, with a high near 81.
30% chance of rain Saturday Night Saturday Night... A 30 percent chance of showers. Mostly cloudy, with a low around 62.
20% chance of Sunday Sunday... A chance of showers. Partly sunny, with a high near 81.
20% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
20% chance of Monday Monday... A chance of showers. Partly sunny, with a high near 83.
Current Radar Image


Sun Almanac for Fullerton, Illinois
Sunrise: 06:37 AM
Sunset: 7:02 PM
Civil Sunrise:06:10 AM
Civil Sunset: 7:29 PM
Nautical Sunrise: 05:38 AM
Nautical Sunset: 8:01 PM
Astro Sunrise: 05:05 AM
Astro Sunset: 8:34 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.