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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 pm CST Jan 18, 2026 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight M.L.King Day Tuesday Wednesday Thursday Friday Saturday
Mostly Sunny on This Afternoon Cloudy on Tonight Mostly Sunny on M.L.King Day Sunny on Tuesday 30% chance of rain & snow on Wednesday Sunny on Thursday Partly Sunny on Friday 20% chance of rain & snow on Saturday
High: 31°F Low: 18°F High: 25°F High: 37°F High: 44°F High: 38°F High: 42°F High: 33°F
Low: 12°F Low: 26°F Low: 24°F Low: 23°F Low: 24°F  
Mostly Sunny Cloudy Mostly Sunny Sunny Rain & Snow Sunny Partly Sunny Rain & Snow
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Current Conditions at
PADUCAH - (KPAH)
28°
Mostly Clear
as of 3:53 PM CST
Rel. Humidity: 42%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
8 MPH
Gust: 20 MPH
200° South
Cloud Level(s): Few at 10000ft
Current Conditions at
CAIRO - (KCIR)
30°
Partly Cloudy
as of 4:35 PM CST
Rel. Humidity: 42%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
8 MPH
Gust: 16 MPH
200° South
Cloud Level(s): Scattered at 10000ft
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 31. South southwest wind around 7 mph.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 18. Southwest wind around 6 mph becoming northwest after midnight.

Mostly Sunny on M.L.King Day M.L.King Day... Mostly sunny, with a high near 25. Northwest wind 5 to 9 mph becoming calm in the afternoon.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 12. Calm wind.

Sunny on Tuesday Tuesday... Sunny, with a high near 37. Calm wind becoming south southwest around 6 mph.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 26. Calm wind becoming south southwest 5 to 7 mph in the evening.

30% chance of rain & snow Wednesday Wednesday... A chance of rain and snow showers before noon, then a chance of rain showers. Mostly cloudy, with a high near 44. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

10% chance of rain Wednesday Night Wednesday Night... A slight chance of showers before midnight. Partly cloudy, with a low around 24. Light and variable wind.

Sunny on Thursday Thursday... Sunny, with a high near 38. Calm wind becoming northwest around 6 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 23. Light and variable wind.

Partly Sunny on Friday Friday... Partly sunny, with a high near 42. Light and variable wind becoming south southwest around 6 mph in the morning.

20% chance of rain & snow Friday Night Friday Night... A chance of rain and snow showers. Mostly cloudy, with a low around 24. North northeast wind 3 to 6 mph.

20% chance of rain & snow Saturday Saturday... A chance of rain and snow showers. Mostly cloudy, with a high near 33. North northeast wind 6 to 8 mph.

Sun Almanac for Unionville, Illinois
Sunrise: 07:06 AM
Sunset: 5:04 PM
Civil Sunrise:06:37 AM
Civil Sunset: 5:32 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 6:04 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:35 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.