Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast
47°F
8°C
| Humidity | 83% |
| Wind Speed | NW 14 G 21 mph |
| Barometer | 29.90 in (1012.1 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 18 Apr 8:53 am CDT |
Extended Forecast for
Charleston IL
Today
High: 58 °F
Slight Chance
Showers then
Partly SunnyTonight
Low: 37 °F
Mostly Clear
Sunday
High: 61 °F
Patchy Frost
then Mostly
SunnySunday Night
Low: 35 °F
Mostly Clear
then Patchy
FrostMonday
High: 59 °F
Patchy Frost
then SunnyMonday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 75 °F
Mostly Sunny
Tuesday Night
Low: 57 °F
Partly Cloudy
Wednesday
High: 77 °F
Mostly Sunny
Detailed Forecast
Today
A 20 percent chance of showers before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 58. Northwest wind around 16 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 37. Northwest wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 61. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 35. Northwest wind 5 to 10 mph becoming light north northeast after midnight. Winds could gust as high as 18 mph.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 59. Light and variable wind becoming east northeast around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 46. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 75. Southwest wind 10 to 17 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
A chance of showers. Partly cloudy, with a low around 61.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75.
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 am CDT Apr 18, 2026
9am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
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