Kernan, Illinois Weather
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Weather Forecast for Kernan, Illinois : LaSalle County
Issued: 9:07 pm CDT Jul 19, 2025 Latitude: 41.1428115 Longitude: -88.7397936 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
40% chance of thunderstorms on Tonight 60% chance of thunderstorms on Sunday 30% chance of thunderstorms on Monday Mostly Sunny on Tuesday Sunny on Wednesday Sunny on Thursday 20% chance of thunderstorms on Friday 20% chance of thunderstorms on Saturday
Low: 71°F High: 79°F High: 82°F High: 87°F High: 93°F High: 93°F High: 91°F High: 89°F
Low: 66°F Low: 67°F Low: 72°F Low: 75°F Low: 73°F Low: 72°F  
Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Sunny Sunny Thunderstorms Thunderstorms
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Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
73°
Clear
as of 9:55 PM CDST
Rel. Humidity: 94%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
75°
Clear
as of 9:55 PM CDST
Rel. Humidity: 88%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
5 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
PERU - (KVYS)
73°
Cloudy
as of 9:55 PM CDST
Rel. Humidity: 94%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 6500ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
75°
Partly Cloudy
as of 9:55 PM CDST
Rel. Humidity: 88%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 3100ft, Scattered at 3800ft
40% chance of thunderstorms Tonight Tonight... A slight chance of showers between midnight and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm. Chance of precipitation is 40%.
60% chance of thunderstorms Sunday Sunday... Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 79. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
60% chance of thunderstorms Sunday Night Sunday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
30% chance of thunderstorms Monday Monday... A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 67. East wind around 5 mph, with gusts as high as 15 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 87.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 72.
Sunny on Wednesday Wednesday... Sunny, with a high near 93.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 75.
Sunny on Thursday Thursday... Sunny, with a high near 93.
20% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 73.
20% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms. 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 72.
20% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Current Radar Image


Sun Almanac for Kernan, Illinois
Sunrise: 05:39 AM
Sunset: 8:23 PM
Civil Sunrise:05:07 AM
Civil Sunset: 8:56 PM
Nautical Sunrise: 04:27 AM
Nautical Sunset: 9:36 PM
Astro Sunrise: 03:40 AM
Astro Sunset: 10:22 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.