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Unionville, Illinois Weather Forecast
Unionville, Illinois Weather
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Weather Forecast for Unionville, Illinois : Massac County
Issued: 4:31 am CST Dec 3, 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 Mostly Cloudy on Tonight Partly Sunny on Thursday 20% chance of freezing rain on Friday Partly Sunny on Saturday Partly Sunny on Sunday Partly Sunny on Monday Mostly Sunny on Tuesday
High: 39°F Low: 24°F High: 33°F High: 41°F High: 45°F High: 44°F High: 40°F High: 47°F
Low: 21°F Low: 25°F Low: 28°F Low: 26°F Low: 26°F  
Mostly Cloudy Mostly Cloudy Partly Sunny Freezing Rain Partly Sunny Partly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
METROPOLIS MUNI ARP - (KM30)
27°
Cloudy
as of 4:35 AM CST
Rel. Humidity: 79%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: MVFR
Wind Data
3 MPH
220° Southwest
Cloud Level(s): Solid Overcast at 1100ft
Current Conditions at
PADUCAH - (KPAH)
27°
Cloudy
as of 3:53 AM CST
Rel. Humidity: 86%
Dew Point: 23°F
Visibility: 8 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Wind Data
3 MPH
200° South
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
CAIRO - (KCIR)
30°
Cloudy
as of 4:35 AM CST
Rel. Humidity: 86%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: MVFR
Wind Data
7 MPH
180° South
Cloud Level(s): Solid Overcast at 1200ft
Mostly Cloudy on Today Today... Mostly cloudy, then gradually becoming sunny, with a high near 39. South southwest wind around 5 mph becoming calm in the afternoon.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 24. Calm wind becoming north around 6 mph after midnight.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 33. North wind 3 to 7 mph.

30% chance of freezing rain & snow Thursday Night Thursday Night... A chance of snow showers after midnight, mixing with freezing rain after 3am. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 30%.

20% chance of freezing rain Friday Friday... A slight chance of freezing rain before 9am, then a slight chance of rain showers between 9am and noon. Partly sunny, with a high near 41. Calm wind. Chance of precipitation is 20%.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 25. Calm wind.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 45. Calm wind.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 28. Calm wind.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 44. Calm wind becoming northeast around 6 mph.

10% chance of rain Sunday Night Sunday Night... A slight chance of showers before midnight. Mostly cloudy, with a low around 26. Light north wind.

Partly Sunny on Monday Monday... Partly sunny, with a high near 40. Light northwest wind.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 26. Calm wind becoming south southwest around 5 mph after midnight.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 47. Southwest wind 5 to 8 mph.

Sun Almanac for Unionville, Illinois
Sunrise: 06:51 AM
Sunset: 4:37 PM
Civil Sunrise:06:23 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 05:50 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:19 AM
Astro Sunset: 6:09 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.