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Unionville, Illinois Weather Forecast
Unionville, Illinois Weather
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Weather Forecast for Unionville, Illinois : Massac County
Issued: 10:11 pm CST Dec 10, 2025 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Cloudy on Overnight Partly Sunny on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Sunny on Sunday Sunny on Monday Mostly Cloudy on Tuesday 20% chance of rain on Wednesday
Low: 31°F High: 41°F High: 50°F High: 39°F High: 22°F High: 37°F High: 43°F High: 50°F
Low: 35°F Low: 25°F Low: 11°F Low: 11°F Low: 25°F Low: 35°F  
Mostly Cloudy Partly Sunny Mostly Sunny Partly Sunny Sunny Sunny Mostly Cloudy Rain
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Current Conditions at
METROPOLIS MUNI ARP - (KM30)
28°
Clear
as of 11:55 PM CST
Rel. Humidity: 79%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
PADUCAH - (KPAH)
28°
Clear
as of 11:53 PM CST
Rel. Humidity: 79%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
3 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
32°
Clear
as of 11:55 PM CST
Rel. Humidity: 74%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a steady temperature around 31. Calm wind.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 41. Calm wind becoming south southwest around 5 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 35. Calm wind becoming south around 6 mph in the evening.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 50. Southwest wind 6 to 9 mph becoming north northwest in the afternoon.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 25. North northwest wind around 5 mph becoming calm in the evening.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 39. Calm wind becoming north around 5 mph.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 11. North wind 3 to 6 mph.

Sunny on Sunday Sunday... Sunny, with a high near 22. North wind 5 to 8 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 11. Light and variable wind.

Sunny on Monday Monday... Sunny, with a high near 37. Calm wind becoming south around 6 mph.

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

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 43. Calm wind becoming south southwest around 6 mph in the morning.

20% chance of rain Tuesday Night Tuesday Night... A chance of showers. Mostly cloudy, with a low around 35. South wind 3 to 6 mph.

20% chance of rain Wednesday Wednesday... A chance of showers. Mostly cloudy, with a high near 50. South wind 6 to 8 mph.

Sun Almanac for Unionville, Illinois
Sunrise: 06:58 AM
Sunset: 4:37 PM
Civil Sunrise:06:29 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 05:57 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:25 AM
Astro Sunset: 6:10 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.