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Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
64°F
18°C
| Humidity | 73% |
| Wind Speed | S 7 mph |
| Barometer | 29.81 in (1009.0 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 26 Mar 5:53 am CDT |
Extended Forecast for
Charleston IL
Today
High: 83 °F
Sunny then
Sunny and
BreezyTonight

Low: 39 °F
T-storms
Friday
High: 48 °F
Showers
Likely then
Mostly SunnyFriday Night

Low: 29 °F
Mostly Clear
Saturday

High: 51 °F
Sunny
Saturday Night

Low: 37 °F
Partly Cloudy
Sunday

High: 60 °F
Partly Sunny
Sunday Night

Low: 52 °F
Mostly Cloudy
Monday

High: 75 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 83. Breezy, with a south southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.
Tonight
Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers likely after 4am. Low around 39. South southwest wind 14 to 18 mph becoming north northeast after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers likely, mainly before 7am. Partly sunny, with a high near 48. North wind 16 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly clear, with a low around 29. North northwest wind 6 to 13 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 51. Light and variable wind becoming north northeast around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 37. South southeast wind 5 to 8 mph, with gusts as high as 16 mph.
Sunday
Partly sunny, with a high near 60. South southeast wind 9 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 75.
Monday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Tuesday
A chance of rain. Partly sunny, with a high near 77.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 60.
Wednesday
A chance of rain. Partly sunny, with a high near 76. Breezy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Charleston IL
39.5°N 88.19°W (Elev. 650 ft)
39.5°N 88.19°W (Elev. 650 ft)
6:46 am CDT Mar 26, 2026
6am CDT Mar 26, 2026-6pm CDT Apr 1, 2026



