Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Light Rain
66°F
19°C
| Humidity | 52% |
| Wind Speed | S 13 G 22 mph |
| Barometer | 29.89 in (1012.3 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 25 Mar 7:53 pm CDT |
Extended Forecast for
Sullivan IL
Tonight
Low: 58 °F
Chance
T-stormsThursday
High: 84 °F
Mostly Sunny
then Slight
Chance
T-stormsThursday Night
Low: 38 °F
T-storms then
ShowersFriday
High: 48 °F
Chance
Showers then
Mostly SunnyFriday Night
Low: 28 °F
Mostly Clear
Saturday
High: 51 °F
Sunny
Saturday Night
Low: 36 °F
Partly Cloudy
Sunday
High: 60 °F
Partly Sunny
Sunday Night
Low: 49 °F
Mostly Cloudy
Detailed Forecast
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 58. South wind 10 to 13 mph, with gusts as high as 22 mph.
Thursday
A 10 percent chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. South southwest wind 11 to 18 mph, with gusts as high as 32 mph.
Thursday Night
Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then a chance of showers after 4am. Low around 38. South southwest wind 14 to 18 mph becoming north northeast after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of showers before 7am. Partly sunny, with a high near 48. North wind 16 to 18 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 28. North northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 51. North wind 5 to 7 mph becoming south southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 36. South southeast wind 6 to 9 mph, with gusts as high as 16 mph.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 73.
Monday Night
A chance of showers. Mostly cloudy, with a low around 57.
Tuesday
A chance of showers. Partly sunny, with a high near 76.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 59.
Wednesday
A chance of showers. Partly sunny, with a high near 73. Breezy.
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)
6:37 pm CDT Mar 25, 2026
7pm CDT Mar 25, 2026-6pm CDT Apr 1, 2026
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