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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: 9:31 am CST Dec 25, 2025 Latitude: 37.4519953 Longitude: -89.0736863 View on Google Maps

MouseOver for Detail Forecast
Christmas Day Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Cloudy on Christmas Day 20% chance of rain on Tonight Mostly Cloudy on Friday Partly Sunny on Saturday 60% chance of rain on Sunday Mostly Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday
High: 72°F Low: 61°F High: 72°F High: 68°F High: 70°F High: 29°F High: 34°F High: 42°F
  Low: 51°F Low: 61°F Low: 24°F Low: 18°F Low: 23°F  
Mostly Cloudy Rain Mostly Cloudy Partly Sunny Rain Mostly Sunny Sunny Mostly Sunny
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Current Conditions at
MARION - (KMWA)
61°
Cloudy
Mist
as of 8:47 AM CST
Rel. Humidity: 100%
Dew Point: 61°F
Visibility: 5 Miles
Pressure: 30.11 in.
Flight Rule: IFR
Wind Data
6 MPH
220° Southwest
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
CARBONDALE - (KMDH)
63°
Cloudy
Mist
as of 8:52 AM CST
Rel. Humidity: 93%
Dew Point: 61°F
Visibility: 6 Miles
Pressure: 30.10 in.
Flight Rule: IFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
59°
Cloudy
Mist
as of 9:15 AM CST
Rel. Humidity: 100%
Dew Point: 59°F
Visibility: 1 3/4 Miles
Pressure: 30.14 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 400ft
Current Conditions at
CAIRO - (KCIR)
59°
Cloudy
as of 9:15 AM CST
Rel. Humidity: 100%
Dew Point: 59°F
Visibility: 1/4 Miles
Pressure: 30.14 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 300ft
Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 72. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
20% chance of rain Tonight Tonight... A slight chance of showers between 3am and 5am. Mostly cloudy, with a low around 61. South southwest wind 5 to 9 mph. Chance of precipitation is 20%.
Mostly Cloudy on Friday Friday... Mostly cloudy, then gradually becoming sunny, with a high near 72. South southwest wind 5 to 10 mph becoming light west in the afternoon. Winds could gust as high as 20 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 51. Calm wind.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 68. Calm wind becoming south 5 to 8 mph in the morning.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 61. South southwest wind around 8 mph.
60% chance of rain Sunday Sunday... Showers likely, mainly after noon. Cloudy, with a high near 70. South southwest wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
20% chance of rain & snow Sunday Night Sunday Night... Rain showers likely before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 24. West southwest wind around 15 mph becoming northwest in the evening. Winds could gust as high as 25 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 29. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 18. North northwest wind 5 to 9 mph becoming light northwest after midnight.
Sunny on Tuesday Tuesday... Sunny, with a high near 34. Light and variable wind becoming west northwest 5 to 7 mph in the morning.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 23. Southwest wind 3 to 5 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 42. Southwest wind 5 to 8 mph.
Current Radar Image


Sun Almanac for Mount Pleasant, Illinois
Sunrise: 07:09 AM
Sunset: 4:44 PM
Civil Sunrise:06:40 AM
Civil Sunset: 5:13 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:18 PM
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