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Unionville, Illinois Weather Forecast
Unionville, Illinois Weather
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Weather Forecast for Unionville, Illinois : Massac County
Issued: 10:51 pm CST Dec 19, 2025 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Christmas Day Friday
Mostly Clear on Overnight Increasing Clouds on Saturday Mostly Sunny on Sunday 30% chance of  on Monday 20% chance of rain on Tuesday Cloudy on Wednesday Partly Sunny on Christmas Day Mostly Cloudy on Friday
Low: 29°F High: 55°F High: 47°F High: 53°F High: 61°F High: 66°F High: 69°F High: 67°F
Low: 32°F Low: 30°F Low: 47°F Low: 54°F Low: 57°F Low: 55°F  
Mostly Clear Increasing Clouds Mostly Sunny Partly Sunny Rain Cloudy Partly Sunny Mostly Cloudy
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Current Conditions at
METROPOLIS MUNI ARP - (KM30)
28°
Clear
as of 12:55 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
PADUCAH - (KPAH)
30°
Clear
as of 12:53 AM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
3 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
36°
Clear
as of 12:55 AM CST
Rel. Humidity: 64%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
7 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
MARION - (KMWA)
34°
Clear
as of 12:50 AM CST
Rel. Humidity: 55%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 29. South wind 5 to 8 mph.

Increasing Clouds on Saturday Saturday... Increasing clouds, with a high near 55. South wind 6 to 14 mph, with gusts as high as 24 mph.

Increasing Clouds on Saturday Night Saturday Night... Increasing clouds, with a low around 32. Light and variable wind.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 47. Northeast wind 3 to 6 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 30. Light east wind.

30% chance of  Monday Monday... A 30 percent chance of showers. Partly sunny, with a high near 53. Light and variable wind becoming south 5 to 8 mph in the morning.

60% chance of thunderstorms Monday Night Monday Night... Showers likely, with thunderstorms also possible after midnight. Cloudy, with a low around 47. South wind around 6 mph. Chance of precipitation is 60%.

20% chance of rain Tuesday Tuesday... A chance of showers before noon. Cloudy, with a high near 61. South southwest wind 3 to 8 mph.

20% chance of rain Tuesday Night Tuesday Night... A chance of showers before midnight. Cloudy, with a low around 54. Light south wind.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 66. South southwest wind 3 to 8 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 57. South southwest wind around 7 mph.

Partly Sunny on Christmas Day Christmas Day... Partly sunny, with a high near 69. South southwest wind 8 to 15 mph, with gusts as high as 23 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 55. Southwest wind 6 to 8 mph.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 67. Southwest wind 6 to 8 mph.

Current Radar Image


Sun Almanac for Unionville, Illinois
Sunrise: 07:04 AM
Sunset: 4:40 PM
Civil Sunrise:06:35 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:02 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:30 AM
Astro Sunset: 6:14 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.