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Unionville, Illinois Weather Forecast
Unionville, Illinois Weather
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Weather Forecast for Unionville, Illinois : Massac County
Issued: 9:56 pm CST Nov 21, 2025 Latitude: 37.1222782 Longitude: -88.5467121 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Thanksgiving Day Friday
Morning Fog on Overnight Morning Fog on Saturday Sunny on Sunday 50% chance of rain on Monday 20% chance of  on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thanksgiving Day 10% chance of rain on Friday
Low: 52°F High: 61°F High: 62°F High: 62°F High: 66°F High: 52°F High: 49°F High: 49°F
Low: 40°F Low: 41°F Low: 52°F Low: 38°F Low: 29°F Low: 30°F  
Morning Fog Morning Fog Sunny Rain Partly Sunny Mostly Sunny Mostly Sunny Rain
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Current Conditions at
METROPOLIS MUNI ARP - (KM30)
59°
Clear
as of 12:35 AM CST
Rel. Humidity: 93%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
PADUCAH - (KPAH)
59°
Mostly Cloudy
as of 11:53 PM CST
Rel. Humidity: 93%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 11000ft
Current Conditions at
CAIRO - (KCIR)
55°
Mostly Cloudy
as of 12:35 AM CST
Rel. Humidity: 100%
Dew Point: 55°F
Visibility: 1 1/2 Miles
Pressure: 29.93 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Broken at 7000ft
Morning Fog on Overnight Overnight... Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 52. Northwest wind 3 to 6 mph.

Morning Fog on Saturday Saturday... Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 61. North wind 5 to 7 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 40. North northwest wind around 5 mph becoming calm in the evening.

Sunny on Sunday Sunday... Sunny, with a high near 62. Calm wind.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 41. Calm wind.

50% chance of rain Monday Monday... A 50 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 62. Calm wind becoming southeast around 6 mph in the morning.

100% chance of rain Monday Night Monday Night... Showers. Low around 52. Southeast wind around 6 mph becoming south southwest after midnight. Chance of precipitation is 100%.

20% chance of  Tuesday Tuesday... A chance of showers before noon. Partly sunny, with a high near 66. West southwest wind 5 to 8 mph becoming light and variable in the afternoon.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 38. Calm wind becoming north northwest around 5 mph after midnight.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 52. North northwest wind 3 to 8 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 29. Calm wind.

Mostly Sunny on Thanksgiving Day Thanksgiving Day... Mostly sunny, with a high near 49. Calm wind becoming west 5 to 7 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 30. Calm wind.

10% chance of rain Friday Friday... A slight chance of showers. Mostly sunny, with a high near 49. Calm wind becoming north around 5 mph.

Sun Almanac for Unionville, Illinois
Sunrise: 06:41 AM
Sunset: 4:40 PM
Civil Sunrise:06:13 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 05:41 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:10 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.