Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
27°F
-3°C
| Humidity | 92% |
| Wind Speed | NW 8 mph |
| Barometer | 30.21 in (1023.7 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 19°F (-7°C) |
| Last update | 11 Feb 5:53 am CST |
Extended Forecast for
Sullivan IL
Today
High: 45 °F
Sunny
Tonight
Low: 27 °F
Increasing
CloudsThursday
High: 45 °F
Decreasing
CloudsThursday Night
Low: 27 °F
Mostly Cloudy
Friday
High: 49 °F
Sunny
Friday Night
Low: 31 °F
Partly Cloudy
Saturday
High: 51 °F
Partly Sunny
Saturday Night
Low: 36 °F
Chance Rain
Sunday
High: 52 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 45. Northwest wind 6 to 10 mph, with gusts as high as 16 mph.
Tonight
Increasing clouds, with a low around 27. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 45. Light south wind.
Thursday Night
Mostly cloudy, with a low around 27. Light south southeast wind.
Friday
Sunny, with a high near 49. South wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 31. South wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 51. Southeast wind 5 to 7 mph.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 33.
Washington's Birthday
Mostly cloudy, with a high near 55.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Mostly cloudy, with a high near 59.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sullivan IL
39.59°N 88.61°W (Elev. 669 ft)
39.59°N 88.61°W (Elev. 669 ft)
5:36 am CST Feb 11, 2026
6am CST Feb 11, 2026-6pm CST Feb 17, 2026
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