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Unionville, Illinois Weather Forecast
Unionville, Illinois Weather
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Weather Forecast for Unionville, Illinois : Massac County
Issued: 12:31 am CST Dec 14, 2025 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Cloudy on Overnight Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Thunderstorms on Thursday Mostly Sunny on Friday 20% chance of thunderstorms on Saturday
Low: 10°F High: 18°F High: 36°F High: 46°F High: 53°F High: 60°F High: 43°F High: 59°F
Low: 8 °F Low: 24°F Low: 36°F Low: 45°F Low: 26°F Low: 33°F  
Cloudy Sunny Sunny Mostly Sunny Partly Sunny Thunderstorms Mostly Sunny Thunderstorms
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Current Conditions at
METROPOLIS MUNI ARP - (KM30)
18°
Feels like 4°F
Clear
as of 12:15 AM CST
Rel. Humidity: 67%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.44 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 18 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
PADUCAH - (KPAH)
18°
Feels like 4°F
Partly Cloudy
as of 11:53 PM CST
Rel. Humidity: 72%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.42 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 22 MPH
340° North
Cloud Level(s): Scattered at 2200ft
Current Conditions at
CAIRO - (KCIR)
18°
Feels like 2°F
Clear
as of 12:15 AM CST
Rel. Humidity: 78%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.45 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 22 MPH
0° North
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a low around 10. Wind chill values as low as -3. North wind 10 to 13 mph, with gusts as high as 23 mph.
Sunny on Sunday Sunday... Sunny, with a high near 18. Wind chill values as low as -3. North wind 6 to 11 mph, with gusts as high as 20 mph.
Clear on Sunday Night Sunday Night... Clear, with a low around 8. Light and variable wind.
Sunny on Monday Monday... Sunny, with a high near 36. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 24. Southwest wind 3 to 5 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 46. South southwest wind 3 to 8 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 36. South southwest wind around 6 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 53. South southwest wind around 6 mph.
20% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 45. South wind 5 to 11 mph, with gusts as high as 22 mph.
Thunderstorms on Thursday Thursday... Showers and possibly a thunderstorm before noon, then showers likely. Mostly cloudy, with a high near 60. South wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.
10% chance of rain Thursday Night Thursday Night... A slight chance of showers. Mostly clear, with a low around 26. West northwest wind 3 to 6 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 43. Light and variable wind becoming east around 5 mph.
10% chance of rain Friday Night Friday Night... A slight chance of showers. Partly cloudy, with a low around 33. South wind 3 to 7 mph.
20% chance of thunderstorms Saturday Saturday... A chance of showers and thunderstorms. Partly sunny, with a high near 59. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Sun Almanac for Unionville, Illinois
Sunrise: 07:00 AM
Sunset: 4:38 PM
Civil Sunrise:06:31 AM
Civil Sunset: 5:07 PM
Nautical Sunrise: 05:59 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:27 AM
Astro Sunset: 6:11 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.