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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 am CST Jan 17, 2026 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday M.L.King Day Tuesday Wednesday Thursday Friday
20% chance of snow on Overnight 30% chance of snow on Saturday Sunny on Sunday Mostly Sunny on M.L.King Day Sunny on Tuesday Partly Sunny on Wednesday 20% chance of rain on Thursday 10% chance of rain on Friday
Low: 26°F High: 34°F High: 32°F High: 26°F High: 36°F High: 45°F High: 39°F High: 40°F
Low: 14°F Low: 19°F Low: 11°F Low: 26°F Low: 24°F Low: 22°F  
Snow Snow Sunny Mostly Sunny Sunny Partly Sunny Rain Rain
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Current Conditions at
PADUCAH - (KPAH)
32°
Clear
as of 2:53 AM CST
Rel. Humidity: 54%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
8 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
32°
Clear
as of 2:55 AM CST
Rel. Humidity: 74%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
8 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
MARION - (KMWA)
28°
Clear
as of 2:55 AM CST
Rel. Humidity: 58%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
3 MPH
320° Northwest
Cloud Level(s): Clear
20% chance of snow Overnight Overnight... A chance of flurries. Partly cloudy, with a low around 26. West northwest wind around 7 mph, with gusts as high as 18 mph.
30% chance of snow Saturday Saturday... A chance of snow showers or flurries before 1pm, then a slight chance of snow showers between 1pm and 3pm, then a chance of flurries after 3pm. Partly sunny, with a high near 34. West northwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 14. West northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Sunny on Sunday Sunday... Sunny, with a high near 32. Calm wind becoming southwest 5 to 9 mph in the morning.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 19. 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 26. Northwest wind 3 to 8 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 11. Calm wind.
Sunny on Tuesday Tuesday... Sunny, with a high near 36. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 26. South southwest wind 5 to 8 mph, with gusts as high as 18 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 45. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
20% chance of rain Wednesday Night Wednesday Night... A chance of showers. Mostly cloudy, with a low around 24. Light and variable wind.
20% chance of rain Thursday Thursday... A chance of showers. Mostly sunny, with a high near 39. North wind 3 to 6 mph.
10% chance of rain & snow Thursday Night Thursday Night... A slight chance of rain and snow showers. Partly cloudy, with a low around 22. Calm wind.
10% chance of rain Friday Friday... A slight chance of showers. Mostly sunny, with a high near 40. Calm wind becoming south around 6 mph.
Current Radar Image


Sun Almanac for Unionville, Illinois
Sunrise: 07:06 AM
Sunset: 5:03 PM
Civil Sunrise:06:38 AM
Civil Sunset: 5:31 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 6:03 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:34 PM
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