Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
77°F
25°C
| Humidity | 74% |
| Wind Speed | NE 3 mph |
| Barometer | 30.17 in (1021.2 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 5 Aug 7:53 pm CDT |
Extended Forecast for
Charleston IL
Tonight
Low: 65 °F
Mostly Clear
then Patchy
FogWednesday
High: 85 °F
Patchy Fog
then Mostly
SunnyWednesday Night
Low: 67 °F
Mostly Clear
Thursday
High: 87 °F
Sunny
Thursday Night
Low: 67 °F
Mostly Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 70 °F
Mostly Clear
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 70 °F
Mostly Clear
Detailed Forecast
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 65. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 67. Calm wind.
Thursday
Sunny, with a high near 87. Calm wind.
Thursday Night
Mostly clear, with a low around 67. Calm wind.
Friday
Sunny, with a high near 88. Calm wind becoming south around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 70. Light south southeast wind.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 71.
Monday
A chance of showers and thunderstorms. Sunny, with a high near 88.
Monday Night
A chance of showers. Partly cloudy, with a low around 71.
Tuesday
A chance of showers. Mostly sunny, with a high near 88.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Charleston IL
39.48°N 88.19°W (Elev. 650 ft)
39.48°N 88.19°W (Elev. 650 ft)
7:40 pm CDT Aug 5, 2025
8pm CDT Aug 5, 2025-6pm CDT Aug 12, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
