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Unionville, Illinois Weather Forecast
Unionville, Illinois Weather
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Weather Forecast for Unionville, Illinois : Massac County
Issued: 1:06 am CST Dec 13, 2025 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Mostly Cloudy on Overnight 20% chance of freezing rain & snow on Saturday Sunny on Sunday Sunny on Monday Sunny on Tuesday Partly Sunny on Wednesday Rain on Thursday 10% chance of rain on Friday
Low: 29°F High: 39°F High: 19°F High: 35°F High: 47°F High: 54°F High: 59°F High: 48°F
Low: 10°F Low: 8 °F Low: 23°F Low: 35°F Low: 46°F Low: 29°F  
Mostly Cloudy Freezing Rain & Snow Sunny Sunny Sunny Partly Sunny Rain Rain
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Current Conditions at
METROPOLIS MUNI ARP - (KM30)
34°
Cloudy
as of 1:55 AM CST
Rel. Humidity: 93%
Dew Point: 32°F
Visibility: 7 Miles
Pressure: 30.22 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
PADUCAH - (KPAH)
34°
Cloudy
Mist
as of 1:53 AM CST
Rel. Humidity: 86%
Dew Point: 30°F
Visibility: 6 Miles
Pressure: 30.20 in.
Flight Rule: IFR
Wind Data
6 MPH
0° North
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
CAIRO - (KCIR)
34°
Cloudy
as of 1:55 AM CST
Rel. Humidity: 93%
Dew Point: 32°F
Visibility: 4 Miles
Pressure: 30.21 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 700ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 29. Calm wind.
20% chance of freezing rain & snow Saturday Saturday... A slight chance of drizzle and snow before 4pm, then a slight chance of freezing rain between 4pm and 5pm. Mostly cloudy, with a high near 39. Calm wind becoming north 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
20% chance of freezing rain Saturday Night Saturday Night... A slight chance of freezing rain before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 10. Wind chill values as low as -1. North wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunny on Sunday Sunday... Sunny, with a high near 19. Wind chill values as low as -3. North wind 5 to 11 mph, with gusts as high as 20 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 8. Calm wind.
Sunny on Monday Monday... Sunny, with a high near 35. Calm wind becoming south southwest 5 to 8 mph in the morning.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 23. Southwest wind 3 to 5 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 47. South southwest wind 3 to 8 mph.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 35. South southwest wind around 6 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 54. South southwest wind 6 to 9 mph.
20% chance of rain Wednesday Night Wednesday Night... A chance of showers. Mostly cloudy, with a low around 46. South wind 6 to 10 mph, with gusts as high as 20 mph.
Rain on Thursday Thursday... Showers likely. Mostly cloudy, with a high near 59. South southwest wind 7 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
20% chance of rain Thursday Night Thursday Night... A chance of showers. Partly cloudy, with a low around 29. Northwest wind around 6 mph becoming light and variable in the evening.
10% chance of rain Friday Friday... A slight chance of showers. Mostly sunny, with a high near 48. Light and variable wind becoming east southeast around 6 mph.
Sun Almanac for Unionville, Illinois
Sunrise: 06:59 AM
Sunset: 4:38 PM
Civil Sunrise:06:30 AM
Civil Sunset: 5:07 PM
Nautical Sunrise: 05:58 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:26 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.