Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
71°F
22°C
| Humidity | 59% |
| Wind Speed | S 9 mph |
| Barometer | 29.78 in (1007.9 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 23 Apr 9:53 pm CDT |
Extended Forecast for
Charleston IL
Tonight
Low: 61 °F
Mostly Clear
then Chance
T-stormsFriday
High: 74 °F
Showers
Friday Night
Low: 51 °F
Slight Chance
ShowersSaturday
High: 74 °F
Sunny
Saturday Night
Low: 49 °F
Partly Cloudy
Sunday
High: 73 °F
Partly Sunny
Sunday Night
Low: 58 °F
Mostly Cloudy
then Chance
ShowersMonday
High: 76 °F
Chance
Showers then
T-storms
Likely and
BreezyMonday Night
Low: 54 °F
Showers
Detailed Forecast
Tonight
A 30 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 61. South wind 10 to 13 mph, with gusts as high as 23 mph.
Friday
Showers and thunderstorms, mainly before noon, then showers likely and possibly a thunderstorm after 1pm. High near 74. South wind 11 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 51. West wind around 6 mph becoming north after midnight.
Saturday
Sunny, with a high near 74. Northeast wind 6 to 9 mph, with gusts as high as 16 mph.
Saturday Night
Partly cloudy, with a low around 49. Northeast wind around 7 mph.
Sunday
Partly sunny, with a high near 73. East wind 7 to 10 mph, with gusts as high as 17 mph.
Sunday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 58. East wind 8 to 13 mph, with gusts as high as 22 mph.
Monday
A chance of showers, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 76. Breezy. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 54. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 47.
Thursday
A chance of showers. Mostly sunny, with a high near 63.
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)
9:36 pm CDT Apr 23, 2026
9pm CDT Apr 23, 2026-6pm CDT Apr 30, 2026
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