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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: 11:26 pm CST Nov 26, 2025 Latitude: 37.4519953 Longitude: -89.0736863 View on Google Maps

MouseOver for Detail Forecast
Overnight Thanksgiving Day Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Cloudy on Overnight Partly Sunny on Thanksgiving Day Sunny on Friday 80% chance of rain & snow on Saturday 10% chance of snow on Sunday 20% chance of snow on Monday 10% chance of snow on Tuesday Mostly Sunny on Wednesday
Low: 32°F High: 43°F High: 40°F High: 40°F High: 37°F High: 33°F High: 35°F High: 41°F
Low: 24°F Low: 28°F Low: 29°F Low: 21°F Low: 23°F Low: 20°F  
Mostly Cloudy Partly Sunny Sunny Rain & Snow Snow Snow Snow Mostly Sunny
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Current Conditions at
CARBONDALE - (KMDH)
37°
Clear
as of 12:52 AM CST
Rel. Humidity: 51%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
8 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
39°
Clear
as of 1:15 AM CST
Rel. Humidity: 48%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
3 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
41°
Partly Cloudy
as of 1:15 AM CST
Rel. Humidity: 56%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
7 MPH
320° Northwest
Cloud Level(s): Scattered at 12000ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 32. Northwest wind 3 to 5 mph.

Partly Sunny on Thanksgiving Day Thanksgiving Day... Partly sunny through mid morning, then becoming sunny, with a high near 43. Northwest wind 5 to 9 mph.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 24. 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.

80% chance of rain & snow Saturday Saturday... Rain, possibly mixed with snow showers. High near 40. South southeast wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

80% chance of rain Saturday Night Saturday Night... Showers, mainly before midnight. Low around 29. South wind 7 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

10% chance of snow Sunday Sunday... A slight chance of snow showers before noon. Mostly cloudy, with a high near 37. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.

10% chance of freezing rain & snow Sunday Night Sunday Night... A slight chance of snow showers and freezing rain. Mostly cloudy, with a low around 21. North northeast wind 3 to 6 mph.

20% chance of snow Monday Monday... A chance of snow showers, mainly after noon. Mostly cloudy, with a high near 33. North northeast wind around 6 mph.

20% chance of snow Monday Night Monday Night... A chance of snow showers. Mostly cloudy, with a low around 23. Light north wind.

10% chance of snow Tuesday Tuesday... A slight chance of snow showers. Partly sunny, with a high near 35. North wind 3 to 6 mph.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 20. Light and variable wind.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 41. South wind 3 to 6 mph.

Current Radar Image


Sun Almanac for Mount Pleasant, Illinois
Sunrise: 06:49 AM
Sunset: 4:39 PM
Civil Sunrise:06:20 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 05:48 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:17 AM
Astro Sunset: 6:12 PM
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