Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
68°F
20°C
| Humidity | 25% |
| Wind Speed | W 10 mph |
| Barometer | 29.65 in (1003.7 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 18 Feb 3:53 pm CST |
Extended Forecast for
Charleston IL
Tonight
Low: 47 °F
Increasing
CloudsThursday
High: 65 °F
Chance Rain
then Rain
LikelyThursday Night
Low: 37 °F
Chance Rain
then Mostly
ClearFriday
High: 47 °F
Mostly Sunny
and BreezyFriday Night
Low: 27 °F
Partly Cloudy
Saturday
High: 41 °F
Mostly Sunny
Saturday Night
Low: 23 °F
Partly Cloudy
Sunday
High: 35 °F
Partly Sunny
then Partly
Sunny and
BreezySunday Night
Low: 20 °F
Partly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 47. South southeast wind 3 to 6 mph.
Thursday
A chance of rain and thunderstorms before 2pm, then rain likely and possibly a thunderstorm between 2pm and 4pm, then a chance of rain and thunderstorms after 4pm. Mostly cloudy, with a high near 65. South southeast wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of rain and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Partly cloudy, with a low around 37. South southwest wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 47. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 34 mph.
Friday Night
Partly cloudy, with a low around 27. West wind 6 to 8 mph, with gusts as high as 16 mph.
Saturday
Mostly sunny, with a high near 41. West northwest wind 6 to 11 mph, with gusts as high as 17 mph.
Saturday Night
Partly cloudy, with a low around 23. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 35. Breezy.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A chance of rain. Partly sunny, with a high near 51.
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)
3:36 pm CST Feb 18, 2026
4pm CST Feb 18, 2026-6pm CST Feb 25, 2026
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