Union Grove, Illinois Weather
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Weather Forecast for Union Grove, Illinois : Whiteside County
Issued: 12:46 pm CDT Jun 2, 2025 Latitude: 41.8341951 Longitude: -90.0265103 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Smoke on This Afternoon Smoke on Tonight 30% chance of rain on Tuesday 50% chance of on Wednesday Mostly Cloudy on Thursday 30% chance of rain on Friday Mostly Sunny on Saturday 40% chance of rain on Sunday
High: 86°F Low: 68°F High: 79°F High: 70°F High: 76°F High: 76°F High: 78°F High: 79°F
Low: 58°F Low: 55°F Low: 57°F Low: 55°F Low: 58°F  
Smoke Smoke Rain Partly Sunny Mostly Cloudy Rain Mostly Sunny Rain
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Current Conditions at
CLINTON - (KCWI)
81°
Clear
as of 12:56 PM CDST
Rel. Humidity: 44%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
14 MPH
190° South
Cloud Level(s): Clear
Smoke on This Afternoon This Afternoon... Patchy smoke. Mostly sunny, with a high near 86. South wind around 10 mph.
Smoke on Tonight Tonight... Patchy smoke before 10pm. Partly cloudy, with a low around 68. South wind 10 to 15 mph, with gusts as high as 20 mph.
30% chance of rain Tuesday Tuesday... A 30 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 79. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.
100% chance of thunderstorms Tuesday Night Tuesday Night... Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 58. Southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
50% chance of Wednesday Wednesday... A 50 percent chance of showers. Partly sunny, with a high near 70. New precipitation amounts between a quarter and half of an inch possible.
30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of showers. Partly cloudy, with a low around 55.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 76.
30% chance of rain Thursday Night Thursday Night... A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 57.
30% chance of rain Friday Friday... A 30 percent chance of showers. Mostly sunny, with a high near 76.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 55.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 78.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 58.
40% chance of rain Sunday Sunday... A 40 percent chance of showers. Mostly sunny, with a high near 79.
Sun Almanac for Union Grove, Illinois
Sunrise: 05:27 AM
Sunset: 8:30 PM
Civil Sunrise:04:53 AM
Civil Sunset: 9:03 PM
Nautical Sunrise: 04:10 AM
Nautical Sunset: 9:46 PM
Astro Sunrise: 03:20 AM
Astro Sunset: 10:37 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.