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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 pm CST Jan 19, 2026 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Tonight Sunny on Tuesday 30% chance of rain & snow on Wednesday Sunny on Thursday 10% chance of snow on Friday 20% chance of snow on Saturday 10% chance of snow on Sunday Sunny on Monday
Low: 12°F High: 37°F High: 45°F High: 41°F High: 28°F High: 18°F High: 25°F High: 33°F
Low: 28 °F Low: 28°F Low: 20°F Low: 8 °F Low: 8 °F Low: 8 °F  
Mostly Clear Sunny Rain & Snow Sunny Snow Snow Snow Sunny
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Current Conditions at
PADUCAH - (KPAH)
21°
Clear
as of 5:53 PM CST
Rel. Humidity: 37%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.40 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
23°
Clear
as of 6:15 PM CST
Rel. Humidity: 41%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.43 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MARION - (KMWA)
18°
Mostly Clear
as of 5:45 PM CST
Rel. Humidity: 44%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.40 in.
Flight Rule: VFR
Wind Data
5 MPH
320° Northwest
Cloud Level(s): Few at 12000ft
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 12. Calm wind.

Sunny on Tuesday Tuesday... Sunny, with a high near 37. Light south wind becoming south southwest 5 to 10 mph in the afternoon.

Increasing Clouds on Tuesday Night Tuesday Night... Increasing clouds, with a temperature falling to near 28 by 8pm, then rising to around 34 during the remainder of the night. South wind 3 to 8 mph. Winds could gust as high as 18 mph.

30% chance of rain & snow Wednesday Wednesday... A chance of rain and snow showers before 9am, then a chance of rain showers between 9am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 45. Southwest wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 28. Light and variable wind.

Sunny on Thursday Thursday... Sunny, with a high near 41. Light north wind.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 20. Calm wind becoming north northeast around 5 mph after midnight.

10% chance of snow Friday Friday... A slight chance of snow showers after noon. Mostly cloudy, with a high near 28. North northeast wind 6 to 9 mph.

20% chance of snow Friday Night Friday Night... A chance of snow showers. Cloudy, with a low around 8. North northeast wind around 8 mph.

20% chance of snow Saturday Saturday... A chance of snow showers. Mostly cloudy, with a high near 18. North northeast wind 7 to 9 mph.

20% chance of snow Saturday Night Saturday Night... A chance of snow showers. Mostly cloudy, with a low around 8. North northeast wind around 6 mph.

10% chance of snow Sunday Sunday... A slight chance of snow showers. Mostly sunny, with a high near 25. North wind around 6 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 8. Light and variable wind.

Sunny on Monday Monday... Sunny, with a high near 33. Calm wind becoming west southwest around 5 mph.

Current Radar Image


Sun Almanac for Unionville, Illinois
Sunrise: 07:05 AM
Sunset: 5:05 PM
Civil Sunrise:06:37 AM
Civil Sunset: 5:33 PM
Nautical Sunrise: 06:05 AM
Nautical Sunset: 6:05 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:36 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.