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Unionville, Illinois Weather Forecast
Unionville, Illinois Weather
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Weather Forecast for Unionville, Illinois : Massac County
Issued: 9:51 am CST Dec 6, 2025 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Sunny on Today Cloudy on Tonight Mostly Cloudy on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday 10% chance of  on Wednesday 10% chance of rain on Thursday Partly Sunny on Friday
High: 47°F Low: 34°F High: 48°F High: 38°F High: 47°F High: 51°F High: 43°F High: 36°F
Low: 27°F Low: 23°F Low: 38°F Low: 30°F Low: 26°F  
Sunny Cloudy Mostly Cloudy Mostly Sunny Mostly Sunny Partly Sunny Rain Partly Sunny
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Current Conditions at
METROPOLIS MUNI ARP - (KM30)
36°
Cloudy
Mist
as of 10:35 AM CST
Rel. Humidity: 93%
Dew Point: 34°F
Visibility: 4 Miles
Pressure: 30.07 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
PADUCAH - (KPAH)
36°
Cloudy
Mist
as of 9:53 AM CST
Rel. Humidity: 86%
Dew Point: 32°F
Visibility: 4 Miles
Pressure: 30.06 in.
Flight Rule: IFR
Wind Data
5 MPH
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
CAIRO - (KCIR)
37°
Cloudy
as of 10:35 AM CST
Rel. Humidity: 86%
Dew Point: 34°F
Visibility: 5 Miles
Pressure: 30.06 in.
Flight Rule: IFR
Wind Data
5 MPH
160° South
Cloud Level(s): Solid Overcast at 600ft
Sunny on Today Today... Sunny, with a high near 47. Calm wind.

Cloudy on Tonight Tonight... Cloudy, with a low around 34. Calm wind.

Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 48. Calm wind becoming north northwest around 6 mph in the afternoon.

30% chance of freezing rain & snow Sunday Night Sunday Night... A chance of rain and snow showers before midnight, then a slight chance of snow showers between midnight and 3am, then a slight chance of freezing rain after 3am. Cloudy, with a low around 27. North wind around 6 mph. Chance of precipitation is 30%.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 38. North wind around 6 mph becoming calm in the afternoon.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 23. Light and variable wind.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 47. South southwest wind 5 to 11 mph, with gusts as high as 20 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 38. South southwest wind 7 to 10 mph, with gusts as high as 22 mph.

10% chance of  Wednesday Wednesday... A slight chance of showers after noon. Partly sunny, with a high near 51. Southwest wind 6 to 14 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 before midnight. Mostly cloudy, with a low around 30. North northwest wind 3 to 5 mph.

10% chance of rain Thursday Thursday... A slight chance of showers. Mostly cloudy, with a high near 43. Light and variable wind becoming north northwest 5 to 7 mph in the morning.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 26. Light and variable wind becoming north northwest around 5 mph after midnight.

Partly Sunny on Friday Friday... Partly sunny, with a high near 36. North northwest wind 5 to 7 mph.

Sun Almanac for Unionville, Illinois
Sunrise: 06:54 AM
Sunset: 4:37 PM
Civil Sunrise:06:25 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 05:53 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:21 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.