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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: 3:41 am CST Nov 25, 2025 Latitude: 37.4519953 Longitude: -89.0736863 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thanksgiving Day Friday Saturday Sunday Monday
30% chance of rain on Today Mostly Clear on Tonight Sunny on Wednesday Sunny on Thanksgiving Day Sunny on Friday 70% chance of rain & snow on Saturday 20% chance of rain on Sunday 20% chance of rain on Monday
High: 62°F Low: 37°F High: 47°F High: 44°F High: 41°F High: 43°F High: 44°F High: 44°F
Low: 29°F Low: 22°F Low: 31°F Low: 33°F Low: 31°F  
Rain Mostly Clear Sunny Sunny Sunny Rain & Snow Rain Rain
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Current Conditions at
CARBONDALE - (KMDH)
54°
Cloudy
Mist
as of 8:19 AM CST
Rel. Humidity: 100%
Dew Point: 54°F
Visibility: 1 1/4 Miles
Pressure: 29.85 in.
Flight Rule: LIFR
Wind Data
5 MPH
220° Southwest
Cloud Level(s): Broken at 400ft, Solid Overcast at 1300ft
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
55°
Cloudy
Mist
as of 8:35 AM CST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 2 1/2 Miles
Pressure: 29.86 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
CAIRO - (KCIR)
55°
Cloudy
as of 8:35 AM CST
Rel. Humidity: 100%
Dew Point: 55°F
Visibility: 5 Miles
Pressure: 29.86 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 400ft
30% chance of rain Today Today... A slight chance of showers before 9am, then a chance of showers after noon. Cloudy, with a high near 62. West wind 3 to 6 mph. Chance of precipitation is 30%.

Mostly Clear on Tonight Tonight... Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Light west wind becoming west northwest 8 to 13 mph in the evening. Winds could gust as high as 28 mph.

Sunny on Wednesday Wednesday... Sunny, with a high near 47. West northwest wind 8 to 17 mph, with gusts as high as 29 mph.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 29. West northwest wind 3 to 6 mph.

Sunny on Thanksgiving Day Thanksgiving Day... Sunny, with a high near 44. Light west northwest wind increasing to 5 to 9 mph in the morning.

Clear on Thursday Night Thursday Night... Clear, with a low around 22. Calm wind.

Sunny on Friday Friday... Sunny, with a high near 41. Light and variable wind.

20% chance of rain & snow Friday Night Friday Night... A chance of rain and snow showers after midnight. 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 43. South southeast wind 6 to 9 mph.

Rain on Saturday Night Saturday Night... Showers likely, mainly before midnight. Cloudy, with a low around 33. South southeast wind around 7 mph becoming north northwest after midnight.

20% chance of rain Sunday Sunday... A chance of showers. Mostly cloudy, with a high near 44. North wind 7 to 9 mph becoming east in the afternoon. Winds could gust as high as 18 mph.

20% chance of rain Sunday Night Sunday Night... A chance of showers. Mostly cloudy, with a low around 31. South southeast wind around 7 mph.

20% chance of rain Monday Monday... A chance of showers. Mostly cloudy, with a high near 44. South southeast wind around 8 mph becoming north northwest in the afternoon.

Current Radar Image


Sun Almanac for Mount Pleasant, Illinois
Sunrise: 06:47 AM
Sunset: 4:40 PM
Civil Sunrise:06:18 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 05:46 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:15 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.