Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast
44°F
7°C
| Humidity | 79% |
| Wind Speed | W 18 G 31 mph |
| Barometer | 30.01 in (1016.3 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 9 Jan 9:53 am CST |
Extended Forecast for
Sullivan IL
Today
High: 48 °F
Mostly Cloudy
Tonight
Low: 37 °F
Mostly Cloudy
then Slight
Chance RainSaturday
High: 43 °F
Chance Rain
then Mostly
SunnySaturday Night
Low: 21 °F
Partly Cloudy
Sunday
High: 32 °F
Mostly Sunny
Sunday Night
Low: 23 °F
Mostly Clear
Monday
High: 44 °F
Sunny
Monday Night
Low: 33 °F
Partly Cloudy
Tuesday
High: 50 °F
Mostly Cloudy
Detailed Forecast
Today
Mostly cloudy, with a high near 48. West northwest wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 26 mph.
Tonight
A 20 percent chance of rain after 3am. Mostly cloudy, with a low around 37. Light and variable wind becoming east northeast around 5 mph after midnight.
Saturday
A 30 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 43. West northwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 21. West northwest wind 11 to 18 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 32. West northwest wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
Mostly clear, with a low around 23. West wind 6 to 9 mph becoming south southwest after midnight. Winds could gust as high as 17 mph.
Monday
Sunny, with a high near 44. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 50.
Tuesday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 34.
Wednesday
A chance of rain. Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 33.
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)
9:37 am CST Jan 9, 2026
10am CST Jan 9, 2026-6pm CST Jan 15, 2026
Additional Resources
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