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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: 2:26 pm CST Dec 30, 2025 Latitude: 37.4519953 Longitude: -89.0736863 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday New Year's Day Friday Saturday Sunday Monday
Partly Sunny on This Afternoon Mostly Clear on Tonight Mostly Sunny on Wednesday Mostly Sunny on New Year's Day Cloudy on Friday Mostly Sunny on Saturday Partly Sunny on Sunday Mostly Sunny on Monday
High: 35°F Low: 26°F High: 43°F High: 42°F High: 48°F High: 42°F High: 47°F High: 52°F
Low: 28°F Low: 33°F Low: 28°F Low: 27°F Low: 35°F  
Partly Sunny Mostly Clear Mostly Sunny Mostly Sunny Cloudy Mostly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
MARION - (KMWA)
32°
Feels like 23°F
Mostly Cloudy
as of 1:45 PM CST
Rel. Humidity: 46%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
10 MPH
270° West
Cloud Level(s): Broken at 10000ft
Current Conditions at
CARBONDALE - (KMDH)
32°
Feels like 23°F
Clear
as of 1:52 PM CST
Rel. Humidity: 43%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
10 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
METROPOLIS MUNI ARP - (KM30)
34°
Clear
as of 2:15 PM CST
Rel. Humidity: 43%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
34°
Feels like 26°F
Clear
as of 2:15 PM CST
Rel. Humidity: 55%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
9 MPH
270° West
Cloud Level(s): Clear
Partly Sunny on This Afternoon This Afternoon... Partly sunny, with a high near 35. West wind around 7 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 26. Southwest wind 3 to 5 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 43. West northwest wind 3 to 6 mph.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 28. Calm wind.
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 42. Light and variable wind.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 33. Calm wind.
Cloudy on Friday Friday... Cloudy, with a high near 48. Calm wind becoming north northeast around 5 mph in the afternoon.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 28. North northeast wind around 5 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 42. North northeast wind 3 to 6 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 27. Calm wind.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 47. Calm wind becoming south around 6 mph in the afternoon.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 35. Southwest wind 3 to 5 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 52. West southwest wind 5 to 7 mph becoming northwest in the afternoon.
Current Radar Image


Sun Almanac for Mount Pleasant, Illinois
Sunrise: 07:11 AM
Sunset: 4:48 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:17 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:21 PM
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