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Unionville, Illinois Weather Forecast
Unionville, Illinois Weather
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Weather Forecast for Unionville, Illinois : Massac County
Issued: 4:26 am CST Jan 22, 2026 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Sunny on Today Increasing Clouds on Tonight Partly Sunny on Friday 90% chance of snow on Saturday 60% chance of snow on Sunday Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday
High: 41°F Low: 21°F High: 26°F High: 17°F High: 19°F High: 20°F High: 30°F High: 32°F
Low: 10°F Low: 13°F Low: 1 °F Low: 5 °F Low: 17°F  
Sunny Increasing Clouds Partly Sunny Snow Snow Sunny Mostly Sunny Partly Sunny
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Current Conditions at
PADUCAH - (KPAH)
32°
Clear
as of 3:53 AM CST
Rel. Humidity: 80%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
6 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
34°
Clear
as of 4:15 AM CST
Rel. Humidity: 69%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.31 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MARION - (KMWA)
30°
Clear
as of 4:15 AM CST
Rel. Humidity: 42%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
5 MPH
340° North
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 41. North northeast wind 3 to 6 mph.

Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 21. Light northeast wind becoming north northeast 6 to 11 mph after midnight. Winds could gust as high as 21 mph.

Partly Sunny on Friday Friday... Partly sunny, with a high near 26. North northeast wind 8 to 11 mph, with gusts as high as 21 mph.

20% chance of snow Friday Night Friday Night... A 20 percent chance of snow showers after midnight. Cloudy, with a low around 10. Wind chill values as low as -2. North northeast wind around 9 mph, with gusts as high as 18 mph.

90% chance of snow Saturday Saturday... Snow showers. High near 17. Northeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.

90% chance of snow & sleet Saturday Night Saturday Night... Snow showers, possibly mixed with sleet, becoming all snow after 3am. Low around 13. Northeast wind around 6 mph. Chance of precipitation is 90%.

60% chance of snow Sunday Sunday... Snow showers likely, mainly before noon. Mostly cloudy, with a high near 19. North wind 6 to 8 mph. Chance of precipitation is 60%.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 1. North northwest wind around 5 mph becoming calm in the evening.

Sunny on Monday Monday... Sunny, with a high near 20. Calm wind becoming west around 5 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 5. Calm wind.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 30. Calm wind becoming southwest around 6 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 17. Calm wind.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 32. Calm wind becoming west around 6 mph.

Current Radar Image


Sun Almanac for Unionville, Illinois
Sunrise: 07:04 AM
Sunset: 5:08 PM
Civil Sunrise:06:36 AM
Civil Sunset: 5:36 PM
Nautical Sunrise: 06:04 AM
Nautical Sunset: 6:08 PM
Astro Sunrise: 05:33 AM
Astro Sunset: 6:39 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.