Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast and Windy
35°F
2°C
| Humidity | 64% |
| Wind Speed | NW 26 G 37 mph |
| Barometer | 29.77 in (1008.5 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 14 Jan 9:53 am CST |
Extended Forecast for
Sullivan IL
Today
High: 37 °F⇓
Breezy.
Slight Chance
Snow then
Chance
FlurriesTonight
Low: 15 °F
Mostly Clear
Thursday
High: 27 °F
Sunny
Thursday Night
Low: 21 °F
Snow Likely
Friday
High: 38 °F
Mostly Cloudy
Friday Night
Low: 14 °F
Mostly Cloudy
Saturday
High: 21 °F
Partly Sunny
Saturday Night
Low: 6 °F
Partly Cloudy
Sunday
High: 20 °F
Partly Sunny
Detailed Forecast
Today
A chance of flurries with a slight chance of snow before 11am, then a chance of flurries between 11am and 1pm. Mostly cloudy, with a temperature falling to around 24 by 5pm. Breezy, with a north northwest wind 18 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 15. Wind chill values between 3 and 10. North northwest wind 11 to 17 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 27. Wind chill values between 3 and 13. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 21. South southwest wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Mostly cloudy, with a high near 38. West wind 11 to 17 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 14. West northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 21. West northwest wind 11 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 6.
Sunday
Partly sunny, with a high near 20.
Sunday Night
Partly cloudy, with a low around 9.
M.L.King Day
Partly sunny, with a high near 23.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Mostly sunny, with a high near 25.
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)
10:51 am CST Jan 14, 2026
10am CST Jan 14, 2026-6pm CST Jan 20, 2026
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