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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: 3:16 am CST Dec 24, 2025 Latitude: 37.4519953 Longitude: -89.0736863 View on Google Maps

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Today Tonight Christmas Day Friday Saturday Sunday Monday Tuesday
Morning Fog on Today Mostly Cloudy on Tonight Partly Sunny on Christmas Day Partly Sunny on Friday Mostly Cloudy on Saturday 20% chance of rain on Sunday Sunny on Monday Mostly Sunny on Tuesday
High: 68°F Low: 57°F High: 69°F High: 72°F High: 70°F High: 61°F High: 29°F High: 33°F
Low: 59°F Low: 52°F Low: 51°F Low: 21°F Low: 16°F  
Morning Fog Mostly Cloudy Partly Sunny Partly Sunny Mostly Cloudy Rain Sunny Mostly Sunny
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Current Conditions at
MARION - (KMWA)
54°
Cloudy
Mist
as of 5:35 AM CST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 2 Miles
Pressure: 30.23 in.
Flight Rule: IFR
Wind Data
3 MPH
040° Northeast
Cloud Level(s): Broken at 500ft, Solid Overcast at 1300ft
Current Conditions at
CARBONDALE - (KMDH)
54°
Cloudy
Mist
as of 5:34 AM CST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 2 1/2 Miles
Pressure: 30.22 in.
Flight Rule: IFR
Wind Data
3 MPH
060° Northeast
Cloud Level(s): Broken at 800ft, Solid Overcast at 1300ft
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
59°
Cloudy
Fog
as of 5:35 AM CST
Rel. Humidity: 93%
Dew Point: 57°F
Visibility: 1/4 Miles
Pressure: 30.24 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Broken at 200ft, Solid Overcast at 1000ft
Current Conditions at
CAIRO - (KCIR)
61°
Cloudy
as of 5:35 AM CST
Rel. Humidity: 100%
Dew Point: 61°F
Visibility: 5 Miles
Pressure: 30.23 in.
Flight Rule: MVFR
Wind Data
5 MPH
210° Southwest
Cloud Level(s): Scattered at 1400ft, Scattered at 4800ft, Solid Overcast at 6000ft
Morning Fog on Today Today... Patchy drizzle before 11am. Areas of dense fog before 9am. Otherwise, mostly cloudy, with a high near 68. Light and variable wind becoming south 5 to 7 mph in the morning.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 57. Southwest wind around 6 mph.
Partly Sunny on Christmas Day Christmas Day... Partly sunny, with a high near 69. Southwest wind around 6 mph.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 59. South southwest wind 3 to 8 mph.
Partly Sunny on Friday Friday... Partly sunny, with a high near 72. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 52. Light and variable wind.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 70. Calm wind becoming south 5 to 9 mph in the morning.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 51. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph.
20% chance of rain Sunday Sunday... A chance of showers. Mostly cloudy, with a high near 61. Northwest wind 10 to 14 mph, with gusts as high as 25 mph.
10% chance of rain & snow Sunday Night Sunday Night... A slight chance of rain and snow showers before midnight. Partly cloudy, with a low around 21. North northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Sunny on Monday Monday... Sunny, with a high near 29. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 16. Northwest wind 3 to 6 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 33. Light and variable wind becoming west 5 to 8 mph in the morning.
Current Radar Image


Sun Almanac for Mount Pleasant, Illinois
Sunrise: 07:09 AM
Sunset: 4:44 PM
Civil Sunrise:06:39 AM
Civil Sunset: 5:13 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:17 PM
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