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Unionville, Illinois Weather Forecast
Unionville, Illinois Weather
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Weather Forecast for Unionville, Illinois : Massac County
Issued: 6:06 am CST Dec 17, 2025 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Mostly Cloudy on Today 30% chance of rain on Tonight 90% chance of thunderstorms on Thursday Sunny on Friday Mostly Sunny on Saturday 10% chance of on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday
High: 57°F Low: 48°F High: 57°F High: 40°F High: 55°F High: 50°F High: 50°F High: 57°F
Low: 25°F Low: 31°F Low: 34°F Low: 33°F Low: 42°F  
Mostly Cloudy Rain Thunderstorms Sunny Mostly Sunny Partly Sunny Partly Sunny Mostly Cloudy
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Current Conditions at
METROPOLIS MUNI ARP - (KM30)
46°
Clear
as of 6:35 AM CST
Rel. Humidity: 42%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
PADUCAH - (KPAH)
46°
Mostly Cloudy
as of 5:53 AM CST
Rel. Humidity: 42%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
8 MPH
210° Southwest
Cloud Level(s): Broken at 4900ft
Current Conditions at
CAIRO - (KCIR)
45°
Clear
as of 6:35 AM CST
Rel. Humidity: 52%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
5 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
MARION - (KMWA)
37°
Clear
as of 6:35 AM CST
Rel. Humidity: 60%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Clear
Mostly Cloudy on Today Today... Mostly cloudy, then gradually becoming sunny, with a high near 57. Southwest wind around 6 mph.
30% chance of rain Tonight Tonight... A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 48. South wind 5 to 11 mph, with gusts as high as 28 mph.
90% chance of thunderstorms Thursday Thursday... Showers likely, then showers and possibly a thunderstorm after 9am. High near 57. South wind 11 to 18 mph becoming west in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 90%.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 25. West northwest wind 3 to 8 mph.
Sunny on Friday Friday... Sunny, with a high near 40. Light and variable wind becoming west northwest around 5 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 31. Calm wind becoming south 5 to 8 mph after midnight.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 55. South wind 7 to 15 mph, with gusts as high as 23 mph.
10% chance of rain Saturday Night Saturday Night... A slight chance of showers. Mostly cloudy, with a low around 34. Southwest wind around 6 mph becoming north after midnight.
10% chance of Sunday Sunday... A slight chance of showers. Partly sunny, with a high near 50. North northeast wind around 6 mph.
10% chance of rain Sunday Night Sunday Night... A slight chance of showers before midnight. Mostly cloudy, with a low around 33. Light northeast wind.
Partly Sunny on Monday Monday... Partly sunny, with a high near 50. East northeast wind 3 to 6 mph.
10% chance of rain Monday Night Monday Night... A slight chance of showers. Mostly cloudy, with a low around 42. Light and variable wind becoming south southwest around 5 mph after midnight.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 57. Southwest wind 5 to 8 mph.
Current Radar Image


Sun Almanac for Unionville, Illinois
Sunrise: 07:02 AM
Sunset: 4:39 PM
Civil Sunrise:06:33 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:00 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:29 AM
Astro Sunset: 6:12 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.