Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
46°F
8°C
| Humidity | 89% |
| Wind Speed | S 12 mph |
| Barometer | 29.88 in (1011.9 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 40°F (4°C) |
| Last update | 9 Mar 6:53 am CDT |
Extended Forecast for
Charleston IL
Today
High: 72 °F
Increasing
CloudsTonight
Low: 59 °F
Mostly Cloudy
Tuesday
High: 77 °F
Partly Sunny
then Chance
T-stormsTuesday Night
Low: 57 °F
T-storms
Wednesday
High: 64 °F⇓
Showers and
BreezyWednesday Night
Low: 31 °F
Gradual
ClearingThursday
High: 48 °F
Mostly Sunny
Thursday Night
Low: 40 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyFriday
High: 58 °F
Mostly Cloudy
and Breezy
Detailed Forecast
Today
Increasing clouds, with a high near 72. South southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a low around 59. South wind 10 to 13 mph, with gusts as high as 23 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 57. South wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. Temperature rising to near 64 by 10am, then falling to around 47 during the remainder of the day. Breezy, with a southwest wind 17 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Cloudy during the early evening, then gradual clearing, with a low around 31. North northwest wind 10 to 18 mph, with gusts as high as 29 mph.
Thursday
Mostly sunny, with a high near 48. Northwest wind around 8 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 40. Breezy.
Friday
Mostly cloudy, with a high near 58. Breezy.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Rain likely. Mostly cloudy, with a high near 64. Breezy.
Additional Forecasts and Information
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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 CDT Mar 9, 2026
7am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
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