Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Rain Fog/Mist
58°F
14°C
| Humidity | 97% |
| Wind Speed | S 10 G 21 mph |
| Barometer | 29.89 in (1011.8 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 3.00 mi |
| Last update | 7 Mar 7:53 am CST |
Extended Forecast for
Charleston IL
Today
High: 65 °F⇓
Showers then
Chance
Showers and
BreezyTonight

Low: 37 °F
Decreasing
CloudsSunday

High: 60 °F
Sunny
Sunday Night

Low: 44 °F
Clear
Monday

High: 72 °F
Sunny
Monday Night

Low: 57 °F
Mostly Clear
Tuesday
High: 74 °F
Mostly Cloudy
then Showers
LikelyTuesday Night

Low: 52 °F
Showers and
BreezyWednesday
High: 63 °F
Breezy.
Showers then
Chance
Showers
Detailed Forecast
Today
Showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 4pm. Temperature rising to near 65 by 11am, then falling to around 51 during the remainder of the day. Breezy, with a west northwest wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West northwest wind 5 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 60. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 44. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 72. South southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 57. South southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Tuesday
Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 74. South southwest wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 52. Breezy. Chance of precipitation is 90%.
Wednesday
Showers, mainly before noon. High near 63. Breezy. Chance of precipitation is 80%.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 59. Breezy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Charleston IL
39.5°N 88.19°W (Elev. 650 ft)
39.5°N 88.19°W (Elev. 650 ft)
7:57 am CST Mar 7, 2026
8am CST Mar 7, 2026-6pm CDT Mar 13, 2026


