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Unionville, Illinois Weather Forecast
Unionville, Illinois Weather
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Weather Forecast for Unionville, Illinois : Massac County
Issued: 3:16 am CST Dec 29, 2025 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday New Year's Day Friday Saturday Sunday
Mostly Clear on Overnight Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on New Year's Day 10% chance of rain on Friday Partly Sunny on Saturday Sunny on Sunday
Low: 23°F High: 32°F High: 35°F High: 45°F High: 43°F High: 44°F High: 44°F High: 44°F
Low: 18°F Low: 26°F Low: 27°F Low: 26°F Low: 30°F Low: 25°F  
Mostly Clear Sunny Sunny Mostly Sunny Mostly Sunny Rain Partly Sunny Sunny
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Current Conditions at
METROPOLIS MUNI ARP - (KM30)
28°
Feels like 18°F
Clear
as of 2:55 AM CST
Rel. Humidity: 54%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 18 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
PADUCAH - (KPAH)
28°
Clear
as of 2:53 AM CST
Rel. Humidity: 54%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
8 MPH
Gust: 20 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
30°
Feels like 20°F
Clear
as of 2:55 AM CST
Rel. Humidity: 54%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 26 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
MARION - (KMWA)
25°
Feels like 12°F
Clear
as of 2:55 AM CST
Rel. Humidity: 49%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 22 MPH
270° West
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 23. West northwest wind 13 to 16 mph, with gusts as high as 31 mph.

Sunny on Monday Monday... Sunny, with a high near 32. West northwest wind 11 to 17 mph, with gusts as high as 29 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 18. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 35. Northwest wind 5 to 7 mph becoming light and variable in the afternoon.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 26. Calm wind becoming west southwest around 5 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 45. West wind 3 to 6 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 27. Calm wind.

Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 43. Calm wind becoming north around 5 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 26. Calm wind.

10% chance of rain Friday Friday... A slight chance of showers after noon. Mostly cloudy, with a high near 44. Light east wind.

20% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 30. Light north northeast wind.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 44. Light north wind.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 25. Calm wind.

Sunny on Sunday Sunday... Sunny, with a high near 44. Calm wind becoming south around 5 mph.

Current Radar Image


Sun Almanac for Unionville, Illinois
Sunrise: 07:07 AM
Sunset: 4:46 PM
Civil Sunrise:06:38 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 5:47 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:19 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.