Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
57°F
14°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.10 in (1018.8 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 25 May 3:53 am CDT |
Extended Forecast for
2 Miles E Sullivan IL
Memorial Day
High: 79 °F
Patchy Fog
then Mostly
SunnyTonight

Low: 58 °F
Partly Cloudy
Tuesday

High: 80 °F
Partly Sunny
Tuesday Night
Low: 65 °F
Mostly Cloudy
then Chance
ShowersWednesday

High: 79 °F
Showers
LikelyWednesday Night

Low: 62 °F
Partly Cloudy
Thursday

High: 82 °F
Mostly Sunny
Thursday Night

Low: 61 °F
Partly Cloudy
Friday

High: 77 °F
Partly Sunny
Detailed Forecast
Memorial Day
Patchy fog before 9am. Otherwise, sunny, with a high near 79. Calm wind becoming east 5 to 8 mph in the morning.
Tonight
Partly cloudy, with a low around 58. East southeast wind around 6 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 80. East wind 3 to 6 mph.
Tuesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 65. East wind 3 to 5 mph.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. East wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 62. East wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 82. East wind 6 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Partly sunny, with a high near 77.
Friday Night
Mostly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 75.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles E Sullivan IL
39.58°N 88.55°W (Elev. 630 ft)
39.58°N 88.55°W (Elev. 630 ft)
4:37 am CDT May 25, 2026
4am CDT May 25, 2026-6pm CDT May 31, 2026


