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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: 12:31 pm CST Nov 24, 2025 Latitude: 37.4519953 Longitude: -89.0736863 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Tuesday Wednesday Thanksgiving Day Friday Saturday Sunday
50% chance of rain on This Afternoon 90% chance of rain on Tonight 20% chance of rain on Tuesday Sunny on Wednesday Sunny on Thanksgiving Day Mostly Sunny on Friday 70% chance of rain & snow on Saturday Rain on Sunday
High: 55°F Low: 51°F High: 63°F High: 47°F High: 44°F High: 42°F High: 42°F High: 48°F
Low: 37°F Low: 29°F Low: 22°F Low: 31°F Low: 34°F  
Rain Rain Rain Sunny Sunny Mostly Sunny Rain & Snow Rain
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Current Conditions at
MARION - (KMWA)
50°
Cloudy
as of 11:47 AM CST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 7 Miles
Pressure: 30.06 in.
Flight Rule: IFR
Wind Data
6 MPH
130° Southeast
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
CARBONDALE - (KMDH)
50°
Feels like 46°F
Cloudy
as of 11:52 AM CST
Rel. Humidity: 87%
Dew Point: 46°F
Visibility: 9 Miles
Pressure: 30.02 in.
Flight Rule: IFR
Wind Data
9 MPH
100° East
Cloud Level(s): Broken at 900ft, Solid Overcast at 9500ft
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
52°
Mostly Cloudy
as of 12:15 PM CST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Broken at 700ft, Broken at 11000ft
Current Conditions at
CAIRO - (KCIR)
55°
Clear
as of 12:15 PM CST
Rel. Humidity: 82%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
3 MPH
240° Southwest
Cloud Level(s): Clear
50% chance of rain This Afternoon This Afternoon... A 50 percent chance of rain, mainly after 2pm. Cloudy, with a high near 55. South southeast wind around 6 mph.
90% chance of rain Tonight Tonight... Rain, mainly before 5am. Low around 51. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%.
20% chance of rain Tuesday Tuesday... A 20 percent chance of rain before 7am. Mostly cloudy, with a high near 63. Calm wind becoming west southwest around 6 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Light west wind becoming west northwest 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 47. West northwest wind 7 to 14 mph, with gusts as high as 23 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 29. West northwest wind 3 to 5 mph.
Sunny on Thanksgiving Day Thanksgiving Day... Sunny, with a high near 44. Light west northwest wind increasing to 5 to 9 mph.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 22. Calm wind.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 42. Light and variable wind.
20% chance of rain & snow Friday Night Friday Night... A slight chance of snow showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. Calm wind becoming southeast around 6 mph after midnight.
70% chance of rain & snow Saturday Saturday... Rain likely, possibly mixed with snow showers. Cloudy, with a high near 42. South southeast wind 6 to 9 mph.
Rain on Saturday Night Saturday Night... Showers likely. Cloudy, with a low around 34. Southeast wind around 6 mph.
Rain on Sunday Sunday... Showers likely. Cloudy, with a high near 48. East wind 6 to 8 mph becoming south in the morning.
Current Radar Image


Sun Almanac for Mount Pleasant, Illinois
Sunrise: 06:46 AM
Sunset: 4:40 PM
Civil Sunrise:06:17 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 05:45 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:14 AM
Astro Sunset: 6:12 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.