Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast
72°F
22°C
| Humidity | 68% |
| Wind Speed | S 12 G 22 mph |
| Barometer | 29.96 in (1014.0 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 4 Apr 12:53 am CDT |
Extended Forecast for
Sullivan IL
Overnight
Low: 62 °F
Showers
LikelySaturday
High: 65 °F⇓
Showers then
Chance
ShowersSaturday Night
Low: 36 °F
Decreasing
CloudsSunday
High: 52 °F
Mostly Sunny
Sunday Night
Low: 37 °F
Mostly Clear
Monday
High: 55 °F
Sunny
Monday Night
Low: 29 °F
Partly Cloudy
Tuesday
High: 49 °F
Mostly Sunny
Tuesday Night
Low: 36 °F
Mostly Cloudy
Detailed Forecast
Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 62. South wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 4pm. Temperature falling to around 54 by 2pm. South southwest wind 14 to 16 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West northwest wind 10 to 15 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 52. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 37. West wind 6 to 8 mph.
Monday
Sunny, with a high near 55. Northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 29. Northwest wind around 10 mph becoming north northeast after midnight. Winds could gust as high as 17 mph.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 74.
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)
1:26 am CDT Apr 4, 2026
1am CDT Apr 4, 2026-6pm CDT Apr 10, 2026
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