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

No Watches or Warnings for Mount Pleasant
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: 5:16 am CDT Sep 17, 2025 Latitude: 37.4519953 Longitude: -89.0736863 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on Today Mostly Clear on Tonight Sunny on Thursday Partly Sunny on Friday 20% chance of thunderstorms on Saturday 20% chance of thunderstorms on Sunday 20% chance of thunderstorms on Monday 10% chance of thunderstorms on Tuesday
High: 92°F Low: 63°F High: 93°F High: 92°F High: 88°F High: 88°F High: 87°F High: 87°F
Low: 64°F Low: 65°F Low: 65°F Low: 65°F Low: 65°F  
Sunny Mostly Clear Sunny Partly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms
-
Current Conditions at
MARION - (KMWA)
63°
Clear
as of 6:45 AM CDST
Rel. Humidity: 93%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CARBONDALE - (KMDH)
61°
Clear
Mist
as of 7:00 AM CDST
Rel. Humidity: 93%
Dew Point: 59°F
Visibility: 3 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
63°
Clear
as of 6:55 AM CDST
Rel. Humidity: 93%
Dew Point: 61°F
Visibility: 7 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
63°
Clear
as of 6:55 AM CDST
Rel. Humidity: 100%
Dew Point: 63°F
Visibility: 5 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 92. Light northeast wind.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 63. Calm wind.
Sunny on Thursday Thursday... Sunny, with a high near 93. Calm wind.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 64. Calm wind.
Partly Sunny on Friday Friday... Partly sunny, with a high near 92. Light and variable wind.
20% chance of thunderstorms Friday Night Friday Night... A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Calm wind.
20% chance of thunderstorms Saturday Saturday... A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
20% chance of rain Saturday Night Saturday Night... A chance of showers, mainly after 1am. Partly cloudy, with a low around 65. Calm wind.
20% chance of thunderstorms Sunday Sunday... A chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the morning.
20% chance of rain Sunday Night Sunday Night... A chance of showers, mainly after 1am. Mostly cloudy, with a low around 65. Light south wind.
20% chance of thunderstorms Monday Monday... A chance of showers and thunderstorms. Mostly sunny, with a high near 87. South southwest wind 3 to 7 mph.
20% chance of thunderstorms Monday Night Monday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Calm wind.
10% chance of thunderstorms Tuesday Tuesday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the morning.
Current Radar Image


Sun Almanac for Mount Pleasant, Illinois
Sunrise: 06:40 AM
Sunset: 7:01 PM
Civil Sunrise:06:14 AM
Civil Sunset: 7:27 PM
Nautical Sunrise: 05:44 AM
Nautical Sunset: 7:58 PM
Astro Sunrise: 05:12 AM
Astro Sunset: 8:29 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.