Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Mostly Cloudy
71°F
22°C
| Humidity | 68% |
| Wind Speed | S 13 G 23 mph |
| Barometer | 29.92 in (1012.6 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 4 Apr 2:53 am CDT |
Extended Forecast for
Charleston IL
Overnight
Low: 63 °F
Showers
LikelySaturday
High: 65 °F⇓
Showers then
Showers
LikelySaturday Night
Low: 37 °F
Gradual
ClearingSunday
High: 52 °F
Mostly Sunny
Sunday Night
Low: 38 °F
Mostly Clear
Monday
High: 56 °F
Sunny
Monday Night
Low: 30 °F
Partly Cloudy
Tuesday
High: 49 °F
Mostly Sunny
Tuesday Night
Low: 36 °F
Mostly Cloudy
Detailed Forecast
Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Cloudy, with a low around 63. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm before 2pm, then a chance of showers between 2pm and 4pm. Temperature falling to around 55 by 5pm. South southwest wind around 15 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Cloudy during the early evening, then gradual clearing, with a low around 37. West northwest wind 10 to 13 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 52. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 38. West wind 5 to 7 mph.
Monday
Sunny, with a high near 56. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 30. Northwest wind around 9 mph becoming north northeast after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 74.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Charleston IL
39.5°N 88.19°W (Elev. 650 ft)
39.5°N 88.19°W (Elev. 650 ft)
2:16 am CDT Apr 4, 2026
2am CDT Apr 4, 2026-6pm CDT Apr 10, 2026
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