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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
82°F
28°C
Humidity | 41% |
Wind Speed | S 13 G 23 mph |
Barometer | 30.07 in (1017.9 mb) |
Dewpoint | 56°F (13°C) |
Visibility | 10.00 mi |
Heat Index | 82°F (28°C) |
Last update | 5 Oct 3:53 pm CDT |
Extended Forecast for
Charleston IL
Tonight
Low: 61 °F
Mostly Clear
Monday
High: 84 °F
Chance
ShowersMonday Night
Low: 64 °F
Chance
T-storms then
Showers
LikelyTuesday
High: 76 °F
Showers
LikelyTuesday Night
Low: 47 °F
Decreasing
CloudsWednesday
High: 71 °F
Sunny
Wednesday Night
Low: 43 °F
Clear
Thursday
High: 70 °F
Sunny
Thursday Night
Low: 42 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 61. South wind 6 to 10 mph, with gusts as high as 20 mph.
Monday
A slight chance of showers between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 84. South wind 6 to 11 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. South wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 76. Light and variable wind becoming north northwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 47. North northeast wind 7 to 10 mph, with gusts as high as 16 mph.
Wednesday
Sunny, with a high near 71. Northeast wind 7 to 10 mph, with gusts as high as 17 mph.
Wednesday Night
Clear, with a low around 43. East northeast wind around 7 mph.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 78.
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)
4:36 pm CDT Oct 5, 2025
4pm CDT Oct 5, 2025-6pm CDT Oct 12, 2025