Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
51°F
11°C
| Humidity | 52% |
| Wind Speed | E 8 mph |
| Barometer | 30.18 in (1021.8 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 11 May 11:53 pm CDT |
Extended Forecast for
5 Miles SE Sullivan IL
Overnight
Low: 45 °F
Clear
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 55 °F
Showers
Likely then
Chance
T-stormsWednesday
High: 69 °F
Sunny
Wednesday Night
Low: 43 °F
Mostly Clear
Thursday
High: 68 °F
Sunny
Thursday Night
Low: 49 °F
Partly Cloudy
Friday
High: 75 °F
Chance
ShowersFriday Night
Low: 61 °F
Chance
T-storms
Detailed Forecast
Overnight
Clear, with a low around 45. East southeast wind around 6 mph.
Tuesday
Sunny, with a high near 79. South southeast wind 8 to 18 mph becoming southwest in the afternoon. Winds could gust as high as 32 mph.
Tuesday Night
Showers and thunderstorms likely, mainly before midnight. Cloudy, then gradual clearing toward daybreak, with a low around 55. Southwest wind 8 to 14 mph becoming west northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Sunny, with a high near 69. Northwest wind 11 to 18 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly clear, with a low around 43. North northwest wind 8 to 13 mph becoming light north northeast after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 68. North northeast wind around 6 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 49. Light east southeast wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 15 mph.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 75.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.
Saturday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Sunday Night
A chance of showers. Partly cloudy, with a low around 67.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SE Sullivan IL
39.56°N 88.53°W (Elev. 650 ft)
39.56°N 88.53°W (Elev. 650 ft)
12:36 am CDT May 12, 2026
12am CDT May 12, 2026-6pm CDT May 18, 2026
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