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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: 7:52 pm CST Nov 12, 2025 Latitude: 37.4519953 Longitude: -89.0736863 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Clear on Tonight Mostly Sunny on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday Sunny on Sunday 10% chance of thunderstorms on Monday 20% chance of  on Tuesday 20% chance of rain on Wednesday
Low: 38°F High: 64°F High: 73°F High: 74°F High: 64°F High: 61°F High: 62°F High: 58°F
Low: 48°F Low: 58°F Low: 50°F Low: 41°F Low: 47°F Low: 44°F  
Mostly Clear Mostly Sunny Mostly Sunny Mostly Sunny Sunny Thunderstorms Partly Sunny Rain
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Current Conditions at
CARBONDALE - (KMDH)
41°
Clear
as of 8:52 PM CST
Rel. Humidity: 80%
Dew Point: 36°F
Visibility: 8 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
3 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
43°
Clear
as of 9:15 PM CST
Rel. Humidity: 75%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
43°
Clear
as of 9:15 PM CST
Rel. Humidity: 86%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 38. Calm wind.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 64. Calm wind becoming south around 5 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 48. Light south wind.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 73. Light south wind becoming south southwest 5 to 9 mph in the morning.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 58. South southwest wind 5 to 7 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 74. South southwest wind 8 to 15 mph, with gusts as high as 24 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 50. Southwest wind 7 to 10 mph becoming north northwest after midnight. Winds could gust as high as 21 mph.

Sunny on Sunday Sunday... Sunny, with a high near 64. North northwest wind 3 to 8 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 41. Light and variable wind.

10% chance of thunderstorms Monday Monday... A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61. East southeast wind 3 to 8 mph.

Thunderstorms on Monday Night Monday Night... Showers and thunderstorms likely. Mostly cloudy, with a low around 47. Southeast wind around 7 mph.

20% chance of  Tuesday Tuesday... A chance of showers. Partly sunny, with a high near 62. South southeast wind 7 to 10 mph becoming west in the afternoon.

20% chance of rain Tuesday Night Tuesday Night... A chance of showers. Mostly cloudy, with a low around 44. South wind 3 to 6 mph.

20% chance of rain Wednesday Wednesday... A chance of showers. Mostly cloudy, with a high near 58. South wind 3 to 6 mph.

Current Radar Image


Sun Almanac for Mount Pleasant, Illinois
Sunrise: 06:33 AM
Sunset: 4:48 PM
Civil Sunrise:06:06 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 05:34 AM
Nautical Sunset: 5:47 PM
Astro Sunrise: 05:03 AM
Astro Sunset: 6:18 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.