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Unionville, Illinois Weather Forecast
Unionville, Illinois Weather
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Click for Hazardous Weather Outlook for Unionville, Illinois
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Weather Forecast for Unionville, Illinois : Massac County
Issued: 2:56 am CST Nov 29, 2025 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Cloudy on Overnight 100% chance of rain, snow, & sleet on Saturday Mostly Sunny on Sunday 20% chance of snow on Monday 20% chance of rain & snow on Tuesday Mostly Sunny on Wednesday Partly Sunny on Thursday 20% chance of on Friday
Low: 33°F High: 44°F High: 36°F High: 38°F High: 34°F High: 40°F High: 32°F High: 40°F
Low: 31°F Low: 23°F Low: 26°F Low: 18°F Low: 22°F Low: 22°F  
Cloudy Rain, Snow, & Sleet Mostly Sunny Snow Rain & Snow Mostly Sunny Partly Sunny Partly Sunny
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Current Conditions at
METROPOLIS MUNI ARP - (KM30)
36°
Cloudy
as of 2:35 AM CST
Rel. Humidity: 59%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 10000ft
Current Conditions at
PADUCAH - (KPAH)
34°
Cloudy
as of 1:53 AM CST
Rel. Humidity: 59%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
7 MPH
120° Southeast
Cloud Level(s): Solid Overcast at 10000ft
Current Conditions at
CAIRO - (KCIR)
37°
Cloudy
as of 2:35 AM CST
Rel. Humidity: 64%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
7 MPH
130° Southeast
Cloud Level(s): Solid Overcast at 11000ft
Cloudy on Overnight Overnight... Cloudy, with a steady temperature around 33. East southeast wind 3 to 5 mph.
100% chance of rain, snow, & sleet Saturday Saturday... A chance of rain showers, snow showers, and sleet before 9am, then rain showers. High near 44. South wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.
80% chance of rain Saturday Night Saturday Night... Showers, mainly before 11pm. Low around 31. South wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 36. Northwest wind 6 to 9 mph.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 23. North northeast wind 3 to 5 mph.
20% chance of snow Monday Monday... A slight chance of snow showers after noon, mixing with rain after 3pm. Partly sunny, with a high near 38. East northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 20%.
80% chance of rain & snow Monday Night Monday Night... Rain and snow showers likely before 9pm, then snow showers. Low around 26. Light and variable wind. Chance of precipitation is 80%.
20% chance of rain & snow Tuesday Tuesday... A chance of rain and snow showers before noon. Mostly cloudy, with a high near 34. North northwest wind 3 to 6 mph.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 18. Calm wind.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 40. Calm wind becoming south southwest around 5 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 22. Light and variable wind.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 32. North northwest wind around 5 mph becoming calm in the afternoon.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 22. Calm wind.
20% chance of Friday Friday... A chance of showers. Partly sunny, with a high near 40. Calm wind becoming southwest 5 to 7 mph.
Sun Almanac for Unionville, Illinois
Sunrise: 06:48 AM
Sunset: 4:38 PM
Civil Sunrise:06:19 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 05:47 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:16 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.