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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: 7:41 am CST Nov 26, 2025 Latitude: 37.4519953 Longitude: -89.0736863 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thanksgiving Day Friday Saturday Sunday Monday Tuesday
Sunny on Today Mostly Cloudy on Tonight Partly Sunny on Thanksgiving Day Sunny on Friday 70% chance of rain & snow on Saturday 20% chance of rain on Sunday 20% chance of rain & snow on Monday 20% chance of on Tuesday
High: 45°F Low: 32°F High: 43°F High: 40°F High: 41°F High: 41°F High: 33°F High: 36°F
Low: 23°F Low: 28°F Low: 32°F Low: 22°F Low: 21°F  
Sunny Mostly Cloudy Partly Sunny Sunny Rain & Snow Rain Rain & Snow Partly Sunny
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Current Conditions at
MARION - (KMWA)
39°
Feels like 30°F
Mostly Cloudy
as of 8:45 AM CST
Rel. Humidity: 60%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 26 MPH
280° West
Cloud Level(s): Broken at 3500ft
Current Conditions at
CARBONDALE - (KMDH)
39°
Feels like 30°F
Clear
as of 8:52 AM CST
Rel. Humidity: 55%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 32 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
41°
Feels like 33°F
Clear
as of 8:55 AM CST
Rel. Humidity: 52%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 24 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
43°
Feels like 34°F
Clear
as of 8:55 AM CST
Rel. Humidity: 56%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 29 MPH
290° West
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 45. West northwest wind 9 to 16 mph, with gusts as high as 31 mph.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 32. West northwest wind 3 to 7 mph.
Partly Sunny on Thanksgiving Day Thanksgiving Day... Partly sunny, then gradually becoming sunny, with a high near 43. Northwest wind 3 to 8 mph.
Clear on Thursday Night Thursday Night... Clear, with a low around 23. Calm wind.
Sunny on Friday Friday... Sunny, with a high near 40. Calm wind.
20% chance of snow Friday Night Friday Night... A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 28. Calm wind becoming southeast around 6 mph after midnight.
70% chance of rain & snow Saturday Saturday... Rain likely, possibly mixed with snow showers, mainly after noon. Cloudy, with a high near 41. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Rain on Saturday Night Saturday Night... Showers. Cloudy, with a low around 32. South wind 6 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 41. North northwest wind 7 to 9 mph.
20% chance of rain & snow Sunday Night Sunday Night... A chance of rain showers before midnight, then a chance of snow showers. Mostly cloudy, with a low around 22. North wind around 6 mph.
20% chance of rain & snow Monday Monday... A chance of rain and snow showers. Partly sunny, with a high near 33. North wind around 6 mph.
20% chance of snow Monday Night Monday Night... A chance of snow showers. Mostly cloudy, with a low around 21. North wind 3 to 5 mph.
20% chance of Tuesday Tuesday... A chance of showers. Partly sunny, with a high near 36. North northwest wind 5 to 7 mph.
Current Radar Image


Sun Almanac for Mount Pleasant, Illinois
Sunrise: 06:48 AM
Sunset: 4:40 PM
Civil Sunrise:06:19 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 05:47 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:16 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.