url:
Mount Pleasant, Illinois Weather Forecast
Mount Pleasant, Illinois Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

Change location by the zip code or city,state: or search for other weather forecast locations in Illinois by name.
Weather Forecast for Mount Pleasant, Illinois : Union County
Issued: 6:27 pm CST Jan 24, 2026 Latitude: 37.4519953 Longitude: -89.0736863 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
100% chance of snow & sleet on Tonight 100% chance of snow on Sunday Sunny on Monday Sunny on Tuesday Partly Sunny on Wednesday Partly Sunny on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday
Low: 13°F High: 18°F High: 16°F High: 28°F High: 26°F High: 20°F High: 20°F High: 23°F
Low: -1°F Low: 0 °F Low: 6 °F Low: 3 °F Low: 1 °F Low: 3 °F  
Snow & Sleet Snow Sunny Sunny Partly Sunny Partly Sunny Mostly Sunny Mostly Sunny
-
Current Conditions at
MARION - (KMWA)
10°
Feels like -2°F
Cloudy
Light Snow
as of 7:35 PM CST
Rel. Humidity: 84%
Dew Point: 7°F
Visibility: 1 1/4 Miles
Pressure: 30.30 in.
Flight Rule: IFR
Wind Data
9 MPH
020° North
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
CARBONDALE - (KMDH)
12°
Feels like -1°F
Cloudy
Light Snow Mist
as of 7:15 PM CST
Rel. Humidity: 85%
Dew Point: 9°F
Visibility: 3/4 Miles
Pressure: 30.30 in.
Flight Rule: MVFR
Wind Data
10 MPH
Gust: 18 MPH
030° Northeast
Current Conditions at
CAIRO - (KCIR)
14°
Feels like -1°F
Cloudy
as of 7:35 PM CST
Rel. Humidity: 85%
Dew Point: 10°F
Visibility: 1 1/4 Miles
Pressure: 30.25 in.
Flight Rule: IFR
Wind Data
15 MPH
Gust: 18 MPH
030° Northeast
Cloud Level(s): Broken at 1400ft, Solid Overcast at 2700ft
100% chance of snow & sleet Tonight Tonight... Snow before 1am, then snow, possibly mixed with sleet between 1am and 5am, then snow after 5am. Low around 13. Wind chill values as low as zero. North northeast wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow and sleet accumulation of 3 to 5 inches possible.

100% chance of snow Sunday Sunday... Snow, mainly before 2pm. High near 18. Wind chill values as low as -1. North wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Clearing on Sunday Night Sunday Night... Cloudy during the early evening, then gradual clearing, with a low around -1. Wind chill values as low as -14. North northwest wind 8 to 14 mph, with gusts as high as 25 mph.

Sunny on Monday Monday... Sunny, with a high near 16. Wind chill values as low as -15. Northwest wind 5 to 8 mph becoming light and variable in the afternoon.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 0. Calm wind becoming southwest 5 to 9 mph in the evening.

Sunny on Tuesday Tuesday... Sunny, with a high near 28. Southwest wind 5 to 9 mph becoming light in the afternoon.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 6. Calm wind.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 26. Calm wind becoming west around 5 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 3. Light and variable wind becoming north northwest around 5 mph after midnight.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 20. North northwest wind around 6 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 1. Light north wind.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 20. Calm wind becoming north around 6 mph.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 3. Calm wind.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 23. Calm wind becoming north northwest around 6 mph.

Current Radar Image


Sun Almanac for Mount Pleasant, Illinois
Sunrise: 07:05 AM
Sunset: 5:12 PM
Civil Sunrise:06:37 AM
Civil Sunset: 5:40 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 6:11 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:42 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.