McLean, Illinois Weather
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Weather Forecast for McLean, Illinois : McLean County
Issued: 12:41 am CDT Jul 21, 2025 Latitude: 40.3144833 Longitude: -89.169809 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
40% chance of thunderstorms on Overnight 30% chance of thunderstorms on Monday Mostly Sunny on Tuesday Sunny on Wednesday Sunny on Thursday 30% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday Mostly Sunny on Sunday
Low: 70°F High: 84°F High: 88°F High: 93°F High: 92°F High: 91°F High: 90°F High: 90°F
Low: 69°F Low: 72°F Low: 74°F Low: 74°F Low: 73°F Low: 72°F  
Thunderstorms Thunderstorms Mostly Sunny Sunny Sunny Thunderstorms Thunderstorms Mostly Sunny
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Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
75°
Cloudy
as of 12:35 AM CDST
Rel. Humidity: 100%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: MVFR
Wind Data
3 MPH
090° East
Cloud Level(s): Broken at 2100ft, Broken at 9000ft, Solid Overcast at 11000ft
Current Conditions at
BLOOMINGTON - (KBMI)
72°
Mostly Cloudy
Mist
as of 12:17 AM CDST
Rel. Humidity: 100%
Dew Point: 72°F
Visibility: 5 Miles
Pressure: 30.02 in.
Flight Rule: IFR
Wind Data
7 MPH
070° East
Cloud Level(s): Broken at 500ft
Current Conditions at
PEORIA - (KPIA)
75°
Cloudy
as of 11:54 PM CDST
Rel. Humidity: 88%
Dew Point: 72°F
Visibility: 9 Miles
Pressure: 29.98 in.
Flight Rule: IFR
Wind Data
8 MPH
090° East
Cloud Level(s): Solid Overcast at 800ft
Current Conditions at
DECATUR - (KDEC)
75°
Mostly Cloudy
as of 11:54 PM CDST
Rel. Humidity: 94%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
8 MPH
170° South
Cloud Level(s): Few at 500ft, Broken at 7500ft
40% chance of thunderstorms Overnight Overnight... A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 70. East wind around 6 mph, with gusts as high as 15 mph.
30% chance of thunderstorms Monday Monday... A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 84. East wind 6 to 8 mph.
20% chance of thunderstorms Monday Night Monday Night... A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. East southeast wind around 6 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 88. South southeast wind around 8 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 72. South southeast wind around 7 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 93. South southwest wind around 8 mph.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 74. South wind around 7 mph.
Sunny on Thursday Thursday... Sunny, with a high near 92.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 74.
30% chance of thunderstorms Friday Friday... A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
20% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 73.
20% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 72.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 90.
Current Radar Image


Sun Almanac for McLean, Illinois
Sunrise: 05:45 AM
Sunset: 8:21 PM
Civil Sunrise:05:14 AM
Civil Sunset: 8:53 PM
Nautical Sunrise: 04:34 AM
Nautical Sunset: 9:32 PM
Astro Sunrise: 03:50 AM
Astro Sunset: 10:16 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.