Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Light Rain
59°F
15°C
| Humidity | 90% |
| Wind Speed | W 13 G 23 mph |
| Barometer | 29.88 in (1011.5 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 7.00 mi |
| Last update | 7 Mar 5:53 am CST |
Extended Forecast for
Charleston IL
Today
High: 66 °F⇓
Showers then
Chance
ShowersTonight
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 3pm. Temperature rising to near 66 by 11am, then falling to around 53 during the remainder of the day. Southwest wind 14 to 18 mph, with gusts as high as 31 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
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Charleston IL
39.5°N 88.19°W (Elev. 650 ft)
39.5°N 88.19°W (Elev. 650 ft)
6:36 am CST Mar 7, 2026
6am CST Mar 7, 2026-6pm CDT Mar 13, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
