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Unionville, Illinois Weather Forecast
Unionville, Illinois Weather
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Weather Forecast for Unionville, Illinois : Massac County
Issued: 10:46 pm CST Dec 6, 2025 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
10% chance of on Tonight 10% chance of on Sunday Mostly Cloudy on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday 20% chance of rain on Thursday Partly Sunny on Friday Sunny on Saturday
Low: 34°F High: 46°F High: 38°F High: 48°F High: 52°F High: 44°F High: 33°F High: 30°F
Low: 27°F Low: 25°F Low: 40°F Low: 30°F Low: 24°F Low: 12°F  
Morning Fog Morning Fog Mostly Cloudy Mostly Sunny Partly Sunny Rain Partly Sunny Sunny
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Current Conditions at
METROPOLIS MUNI ARP - (KM30)
37°
Partly Cloudy
Mist
as of 11:15 PM CST
Rel. Humidity: 93%
Dew Point: 36°F
Visibility: 5 Miles
Pressure: 30.00 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Scattered at 900ft, Scattered at 12000ft
Current Conditions at
PADUCAH - (KPAH)
36°
Clear
Mist
as of 10:53 PM CST
Rel. Humidity: 93%
Dew Point: 34°F
Visibility: 5 Miles
Pressure: 29.99 in.
Flight Rule: MVFR
Wind Data
3 MPH
100° East
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
37°
Clear
as of 11:15 PM CST
Rel. Humidity: 93%
Dew Point: 36°F
Visibility: 3 Miles
Pressure: 30.00 in.
Flight Rule: MVFR
Wind Data
3 MPH
100° East
Cloud Level(s): Clear
10% chance of Tonight Tonight... A slight chance of drizzle after 4am. Patchy fog before 4am, then patchy fog after 5am. Otherwise, cloudy, with a low around 34. Calm wind.
10% chance of Sunday Sunday... A slight chance of drizzle. Patchy fog before 9am. Otherwise, cloudy, with a high near 46. Calm wind becoming north northwest around 6 mph in the afternoon.
20% chance of rain Sunday Night Sunday Night... A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 27. North wind around 6 mph.
Mostly Cloudy on Monday Monday... Mostly cloudy, then gradually becoming sunny, with a high near 38. North wind around 6 mph becoming calm in the afternoon.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 25. Calm wind becoming south southwest around 5 mph after midnight.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 48. South southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 40. South southwest wind 9 to 11 mph, with gusts as high as 23 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 52. Southwest wind 5 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
10% chance of rain Wednesday Night Wednesday Night... A slight chance of showers. Mostly cloudy, with a low around 30. Light and variable wind becoming east around 5 mph after midnight.
20% chance of rain Thursday Thursday... A chance of showers, mainly before noon. Mostly cloudy, with a high near 44. East wind 5 to 7 mph becoming west in the afternoon.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 24. Northwest wind around 6 mph.
Partly Sunny on Friday Friday... Partly sunny, with a high near 33. North northwest wind 6 to 8 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 12. North northwest wind around 6 mph.
Sunny on Saturday Saturday... Sunny, with a high near 30. Northwest wind 5 to 7 mph.
Sun Almanac for Unionville, Illinois
Sunrise: 06:55 AM
Sunset: 4:37 PM
Civil Sunrise:06:26 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 05:54 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:22 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.