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Mount Pleasant, Illinois Weather Forecast
Mount Pleasant, Illinois Weather
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Weather Forecast for Mount Pleasant, Illinois : Union County
Issued: 4:32 am CST Dec 31, 2025 Latitude: 37.4519953 Longitude: -89.0736863 View on Google Maps

MouseOver for Detail Forecast
Today Tonight New Year's Day Friday Saturday Sunday Monday Tuesday
Increasing Clouds on Today Mostly Clear on Tonight Mostly Sunny on New Year's Day Cloudy on Friday Mostly Sunny on Saturday Partly Sunny on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday
High: 43°F Low: 27°F High: 44°F High: 48°F High: 42°F High: 45°F High: 55°F High: 54°F
Low: 32°F Low: 29°F Low: 24°F Low: 34°F Low: 40°F  
Increasing Clouds Mostly Clear Mostly Sunny Cloudy Mostly Sunny Partly Sunny Partly Sunny Mostly Cloudy
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Current Conditions at
MARION - (KMWA)
27°
Clear
as of 6:47 AM CST
Rel. Humidity: 68%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CARBONDALE - (KMDH)
30°
Clear
as of 6:52 AM CST
Rel. Humidity: 58%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
3 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
28°
Clear
as of 6:55 AM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
28°
Clear
as of 6:55 AM CST
Rel. Humidity: 86%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
3 MPH
230° Southwest
Cloud Level(s): Clear
Increasing Clouds on Today Today... Increasing clouds, with a high near 43. Northwest wind around 6 mph becoming calm in the afternoon.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 27. Calm wind.
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 44. Light east wind.
Increasing Clouds on Thursday Night Thursday Night... Increasing clouds, with a low around 32. Calm wind.
Cloudy on Friday Friday... Cloudy, with a high near 48. Calm wind becoming northeast around 5 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 29. North northeast wind 3 to 6 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 42. North wind 3 to 6 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 24. Calm wind.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 45. Light and variable wind.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 34. Calm wind becoming south around 5 mph after midnight.
Partly Sunny on Monday Monday... Partly sunny, with a high near 55. South southwest wind 5 to 7 mph.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 40. Light southwest wind.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 54. West wind 3 to 6 mph.
Current Radar Image


Sun Almanac for Mount Pleasant, Illinois
Sunrise: 07:11 AM
Sunset: 4:48 PM
Civil Sunrise:06:42 AM
Civil Sunset: 5:17 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:22 PM
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