Union, Illinois Weather
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Weather Forecast for Union, Illinois : Logan County
Issued: 2:56 am CDT Jun 4, 2025 Latitude: 40.2875415 Longitude: -89.3670402 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
100% chance of thunderstorms on Overnight 80% chance of thunderstorms on Wednesday Mostly Sunny on Thursday 50% chance of rain on Friday Mostly Sunny on Saturday 40% chance of rain on Sunday Sunny on Monday Mostly Sunny on Tuesday
Low: 66°F High: 72°F High: 78°F High: 77°F High: 77°F High: 80°F High: 77°F High: 79°F
Low: 59°F Low: 61°F Low: 60°F Low: 58°F Low: 59°F Low: 55°F  
Thunderstorms Thunderstorms Mostly Sunny Rain Mostly Sunny Rain Sunny Mostly Sunny
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Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
70°
Cloudy
Light Rain
as of 4:55 AM CDST
Rel. Humidity: 100%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: MVFR
Wind Data
3 MPH
230° Southwest
Cloud Level(s): Scattered at 900ft, Solid Overcast at 1900ft
Current Conditions at
BLOOMINGTON - (KBMI)
68°
Cloudy
Light Rain
as of 4:56 AM CDST
Rel. Humidity: 100%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: MVFR
Wind Data
5 MPH
230° Southwest
Cloud Level(s): Solid Overcast at 2800ft
Current Conditions at
PEORIA - (KPIA)
68°
Cloudy
Light Rain Mist
as of 4:54 AM CDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 6 Miles
Pressure: 29.89 in.
Flight Rule: LIFR
Wind Data
6 MPH
230° Southwest
Cloud Level(s): Broken at 300ft, Solid Overcast at 600ft
Current Conditions at
SPRINGFIELD - (KSPI)
68°
Cloudy
Light Rain
as of 4:52 AM CDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: IFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Broken at 900ft, Broken at 4200ft, Solid Overcast at 12000ft
100% chance of thunderstorms Overnight Overnight... Showers and possibly a thunderstorm. Low around 66. South southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
80% chance of thunderstorms Wednesday Wednesday... Showers and possibly a thunderstorm. High near 72. South southwest wind 8 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
60% chance of thunderstorms Wednesday Night Wednesday Night... Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 11pm. Mostly cloudy, with a low around 59. North northeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 78. Northeast wind around 8 mph.
30% chance of rain Thursday Night Thursday Night... A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 61. East wind around 6 mph.
50% chance of rain Friday Friday... A 50 percent chance of showers. Mostly cloudy, with a high near 77. North wind around 7 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 60. North wind around 6 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 77.
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 after 1pm. Mostly sunny, with a high near 80.
20% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Sunny on Monday Monday... Sunny, with a high near 77.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 55.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 79.
Current Radar Image


Sun Almanac for Union, Illinois
Sunrise: 05:29 AM
Sunset: 8:23 PM
Civil Sunrise:04:56 AM
Civil Sunset: 8:56 PM
Nautical Sunrise: 04:15 AM
Nautical Sunset: 9:37 PM
Astro Sunrise: 03:27 AM
Astro Sunset: 10:25 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.