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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 18, 2025 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
90% chance of rain on Today Cloudy on Tonight Sunny on Friday Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday 10% chance of rain on Tuesday Mostly Cloudy on Wednesday
High: 58°F Low: 28°F High: 41°F High: 55°F High: 46°F High: 50°F High: 59°F High: 63°F
Low: 31°F Low: 29°F Low: 28°F Low: 43°F Low: 51°F  
Rain Cloudy Sunny Sunny Mostly Sunny Mostly Sunny Rain Mostly Cloudy
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Current Conditions at
METROPOLIS MUNI ARP - (KM30)
54°
Cloudy
as of 3:35 AM CST
Rel. Humidity: 62%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
5 MPH
170° South
Cloud Level(s): Solid Overcast at 6000ft
Current Conditions at
PADUCAH - (KPAH)
54°
Cloudy
as of 2:53 AM CST
Rel. Humidity: 66%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
7 MPH
Cloud Level(s): Broken at 6000ft, Broken at 7500ft, Solid Overcast at 9000ft
Current Conditions at
CAIRO - (KCIR)
54°
Cloudy
as of 3:35 AM CST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 21 MPH
170° South
Cloud Level(s): Scattered at 2500ft, Solid Overcast at 3100ft
Current Conditions at
MARION - (KMWA)
52°
Cloudy
as of 3:35 AM CST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: MVFR
Wind Data
14 MPH
Gust: 22 MPH
170° South
Cloud Level(s): Broken at 2400ft, Broken at 3100ft, Solid Overcast at 4800ft
90% chance of rain Today Today... Showers, mainly between 11am and 5pm. High near 58. South wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 90%.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 28. West northwest wind 9 to 17 mph, with gusts as high as 25 mph.

Sunny on Friday Friday... Sunny, with a high near 41. West northwest wind around 6 mph becoming calm in the afternoon.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 31. Calm wind becoming south 5 to 7 mph in the evening.

Sunny on Saturday Saturday... Sunny, with a high near 55. South wind 6 to 14 mph, with gusts as high as 24 mph.

20% chance of rain Saturday Night Saturday Night... A 20 percent chance of showers before midnight. Partly cloudy, with a low around 29. Southwest wind around 5 mph becoming light and variable after midnight.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 46. North northeast wind 3 to 6 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 28. Light east northeast wind.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 50. Southeast wind 3 to 6 mph.

20% chance of rain Monday Night Monday Night... A chance of showers. Mostly cloudy, with a low around 43. South southwest wind 3 to 6 mph.

10% chance of rain Tuesday Tuesday... A slight chance of showers. Mostly cloudy, with a high near 59. South southwest wind 6 to 8 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 51. South southwest wind around 5 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 63. South southwest wind 5 to 8 mph.

Current Radar Image


Sun Almanac for Unionville, Illinois
Sunrise: 07:03 AM
Sunset: 4:39 PM
Civil Sunrise:06:34 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:01 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:29 AM
Astro Sunset: 6:13 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.