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Unionville, Illinois Weather Forecast
Unionville, Illinois Weather
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Weather Forecast for Unionville, Illinois : Massac County
Issued: 7:52 pm CST Dec 9, 2025 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
20% chance of rain on Tonight Mostly Sunny on Wednesday Partly Sunny on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday 10% chance of  on Tuesday
Low: 41°F High: 47 °F High: 40°F High: 53°F High: 42°F High: 28°F High: 39°F High: 43°F
Low: 26°F Low: 34°F Low: 25°F Low: 16°F Low: 16°F Low: 26°F  
Rain Mostly Sunny Partly Sunny Mostly Sunny Partly Sunny Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
METROPOLIS MUNI ARP - (KM30)
43°
Feels like 36°F
Clear
as of 11:15 PM CST
Rel. Humidity: 65%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 18 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
PADUCAH - (KPAH)
43°
Feels like 36°F
Clear
as of 10:53 PM CST
Rel. Humidity: 70%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 20 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
43°
Feels like 34°F
Partly Cloudy
as of 11:15 PM CST
Rel. Humidity: 81%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 29 MPH
210° Southwest
Cloud Level(s): Scattered at 1700ft
20% chance of rain Tonight Tonight... A 20 percent chance of showers after 5am. Cloudy, with a low around 41. Southwest wind 14 to 16 mph, with gusts as high as 29 mph.

Mostly Sunny on Wednesday Wednesday... Cloudy, then gradually becoming mostly sunny, with a temperature rising to near 47 by 9am, then falling to around 37 during the remainder of the day. Breezy, with a west northwest wind 16 to 21 mph becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 37 mph.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 26. Northwest wind around 6 mph becoming calm in the evening.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 40. Light and variable wind.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 34. Calm wind becoming south around 5 mph after midnight.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 53. Southwest wind 5 to 8 mph becoming northwest in the afternoon.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 25. Light north wind.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 42. Northeast wind 3 to 5 mph.

10% chance of rain Saturday Night Saturday Night... A slight chance of showers before midnight. Mostly cloudy, with a low around 16. North wind 3 to 6 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 28. North wind 5 to 7 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 16. Light and variable wind.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 39. Calm wind becoming south southeast around 5 mph.

20% chance of freezing rain Monday Night Monday Night... A chance of rain or freezing rain. Mostly cloudy, with a low around 26. Light south wind.

10% chance of  Tuesday Tuesday... A slight chance of showers. Partly sunny, with a high near 43. South southeast wind 3 to 5 mph.

Sun Almanac for Unionville, Illinois
Sunrise: 06:57 AM
Sunset: 4:37 PM
Civil Sunrise:06:28 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 05:56 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:24 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.