Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Partly Cloudy
69°F
21°C
| Humidity | 76% |
| Wind Speed | NE 13 mph |
| Barometer | 29.94 in (1013.4 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 24 Sep 8:53 pm CDT |
Extended Forecast for
Sullivan IL
Tonight
Low: 56 °F
Isolated
Showers then
Mostly CloudyThursday
High: 76 °F
Mostly Sunny
Thursday Night
Low: 50 °F
Mostly Clear
Friday
High: 80 °F
Sunny
Friday Night
Low: 52 °F
Clear
Saturday
High: 83 °F
Sunny
Saturday Night
Low: 54 °F
Clear
Sunday
High: 86 °F
Sunny
Sunday Night
Low: 55 °F
Clear
Detailed Forecast
Tonight
Isolated showers before 10pm. Mostly cloudy, with a low around 56. Northeast wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 76. North wind 7 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 50. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 80. Light north northwest wind.
Friday Night
Clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 83. Light west wind.
Saturday Night
Clear, with a low around 54. Calm wind.
Sunday
Sunny, with a high near 86.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 84.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sullivan IL
39.61°N 88.61°W (Elev. 669 ft)
39.61°N 88.61°W (Elev. 669 ft)
7:40 pm CDT Sep 24, 2025
9pm CDT Sep 24, 2025-6pm CDT Oct 1, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
