Knox, Illinois Weather
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Weather Forecast for Knox, Illinois : Knox County
Issued: 6:26 pm CDT Jul 19, 2025 Latitude: 40.9342048 Longitude: -90.2548467 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
60% chance of thunderstorms on Tonight 70% chance of thunderstorms on Sunday 30% chance of thunderstorms on Monday Mostly Sunny on Tuesday Sunny on Wednesday Sunny on Thursday Mostly Sunny on Friday 20% chance of thunderstorms on Saturday
Low: 70°F High: 84°F High: 84°F High: 91°F High: 94°F High: 94°F High: 92°F High: 92°F
Low: 67°F Low: 70°F Low: 73°F Low: 74°F Low: 73°F Low: 72°F  
Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Sunny Sunny Mostly Sunny Thunderstorms
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Current Conditions at
GALESBURG - (KGBG)
77°
Mostly Cloudy
as of 9:35 PM CDST
Rel. Humidity: 100%
Dew Point: 77°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 3300ft, Broken at 10000ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
77°
Partly Cloudy
as of 9:35 PM CDST
Rel. Humidity: 94%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 10000ft
Current Conditions at
PEORIA - (KPIA)
81°
Mostly Cloudy
as of 8:54 PM CDST
Rel. Humidity: 83%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 2900ft, Broken at 10000ft
Current Conditions at
MOLINE - (KMLI)
79°
Cloudy
as of 8:52 PM CDST
Rel. Humidity: 88%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 9500ft
60% chance of thunderstorms Tonight Tonight... Showers and thunderstorms likely, mainly after 3am. Mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
70% chance of thunderstorms Sunday Sunday... Showers and thunderstorms likely before 7am, then showers likely and possibly a thunderstorm between 7am and 4pm, then showers and thunderstorms likely after 4pm. Mostly cloudy, with a high near 84. Northeast wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
70% chance of thunderstorms Sunday Night Sunday Night... Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 67. East wind around 6 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
30% chance of thunderstorms Monday Monday... A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 84. East southeast wind around 7 mph. Chance of precipitation is 30%.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 70. East southeast wind around 6 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 91. South southeast wind 6 to 9 mph, with gusts as high as 16 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 73. South southeast wind around 7 mph, with gusts as high as 15 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 94.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 74.
Sunny on Thursday Thursday... Sunny, with a high near 94.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 73.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 92.
Cloudy on Friday Night Friday Night... 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 92.
Current Radar Image


Sun Almanac for Knox, Illinois
Sunrise: 05:46 AM
Sunset: 8:29 PM
Civil Sunrise:05:14 AM
Civil Sunset: 9:01 PM
Nautical Sunrise: 04:34 AM
Nautical Sunset: 9:41 PM
Astro Sunrise: 03:48 AM
Astro Sunset: 10:27 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.