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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: 3:16 am CST Nov 28, 2025 Latitude: 37.4519953 Longitude: -89.0736863 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Clear on Overnight Sunny on Friday 100% chance of rain, snow, & sleet on Saturday Mostly Cloudy on Sunday Mostly Cloudy on Monday Partly Sunny on Tuesday Mostly Sunny on Wednesday Partly Sunny on Thursday
Low: 28°F High: 40°F High: 40°F High: 34°F High: 33°F High: 34°F High: 40°F High: 38°F
Low: 30°F Low: 27°F Low: 21°F Low: 22°F Low: 20°F Low: 26°F  
Clear Sunny Rain, Snow, & Sleet Mostly Cloudy Mostly Cloudy Partly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
CARBONDALE - (KMDH)
28°
Clear
as of 2:52 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.45 in.
Flight Rule: VFR
Wind Data
6 MPH
350° North
Cloud Level(s): Clear
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
32°
Cloudy
as of 2:55 AM CST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.44 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 6500ft
Current Conditions at
CAIRO - (KCIR)
32°
Partly Cloudy
as of 2:55 AM CST
Rel. Humidity: 74%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.45 in.
Flight Rule: VFR
Wind Data
3 MPH
330° Northwest
Cloud Level(s): Scattered at 6000ft
Clear on Overnight Overnight... Clear, with a steady temperature around 28. Light northwest wind.

Sunny on Friday Friday... Sunny, with a high near 40. North wind around 6 mph becoming calm in the afternoon.

30% chance of snow Friday Night Friday Night... A 30 percent chance of snow, mainly after 5am. Mostly cloudy, with a low around 30. Calm wind becoming southeast 5 to 7 mph after midnight.

100% chance of rain, snow, & sleet Saturday Saturday... Rain and snow likely, possibly mixed with sleet before 9am, then rain likely, possibly mixed with snow between 9am and 11am, then rain after 11am. High near 40. Southeast wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

90% chance of rain Saturday Night Saturday Night... Rain, mainly before midnight. Low around 27. South wind 10 to 13 mph becoming west northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%.

Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 34. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 21. North wind around 6 mph.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 33. East northeast wind 3 to 6 mph.

20% chance of snow Monday Night Monday Night... A chance of snow. Mostly cloudy, with a low around 22. Calm wind.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 34. Calm wind becoming north northwest around 6 mph.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 20. Calm wind.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 40. Calm wind becoming south southwest around 6 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 26. Light and variable wind.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 38. North northwest wind 3 to 6 mph.

Current Radar Image


Sun Almanac for Mount Pleasant, Illinois
Sunrise: 06:50 AM
Sunset: 4:39 PM
Civil Sunrise:06:21 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 05:49 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:17 AM
Astro Sunset: 6:11 PM
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