Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast
26°F
-3°C
| Humidity | 81% |
| Wind Speed | NE 7 mph |
| Barometer | 30.03 in (1017.7 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 18°F (-8°C) |
| Last update | 1 Jan 8:53 am CST |
Extended Forecast for
Sullivan IL
New Year's Day
High: 32 °F
Mostly Sunny
Tonight
Low: 21 °F
Partly Cloudy
Friday
High: 34 °F
Partly Sunny
Friday Night
Low: 22 °F
Mostly Cloudy
Saturday
High: 36 °F
Decreasing
CloudsSaturday Night
Low: 20 °F
Mostly Clear
Sunday
High: 37 °F
Mostly Sunny
Sunday Night
Low: 28 °F
Partly Cloudy
Monday
High: 51 °F
Mostly Sunny
Detailed Forecast
New Year's Day
Mostly sunny, with a high near 32. Northeast wind 5 to 7 mph becoming calm in the morning.
Tonight
Partly cloudy, with a low around 21. Light north wind.
Friday
Partly sunny, with a high near 34. Calm wind becoming east northeast around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 22. Northeast wind around 6 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 36. Northeast wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 20. Light north northwest wind.
Sunday
Mostly sunny, with a high near 37. Calm wind becoming south southeast around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 51.
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)
8:37 am CST Jan 1, 2026
9am CST Jan 1, 2026-6pm CST Jan 7, 2026
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