Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
35°F
2°C
| Humidity | 76% |
| Wind Speed | S 8 mph |
| Barometer | 30.02 in (1017.1 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 28°F (-2°C) |
| Last update | 13 Jan 1:53 am CST |
Extended Forecast for
Charleston IL
Overnight
Low: 34 °F
Partly Cloudy
Tuesday
High: 53 °F
Mostly Cloudy
Tuesday Night
Low: 34 °F
Slight Chance
ShowersWednesday
High: 36 °F⇓
Scattered
Flurries and
BreezyWednesday Night
Low: 15 °F
Partly Cloudy
Thursday
High: 26 °F
Sunny
Thursday Night
Low: 21 °F
Mostly Cloudy
then Chance
Snow ShowersFriday
High: 38 °F
Mostly Cloudy
then Chance
Snow ShowersFriday Night
Low: 17 °F
Mostly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around 34. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday
Mostly cloudy, with a high near 53. West southwest wind 10 to 16 mph, with gusts as high as 32 mph.
Tuesday Night
A slight chance of showers between 9pm and 3am. Cloudy, with a low around 34. West southwest wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Wednesday
Scattered flurries. Mostly cloudy, with a temperature falling to around 27 by 5pm. Breezy, with a north northwest wind 13 to 23 mph, with gusts as high as 34 mph.
Wednesday Night
Partly cloudy, with a low around 15. North northwest wind 11 to 18 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 26. North northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
A 30 percent chance of snow showers after midnight. Mostly cloudy, with a low around 21. South wind 6 to 14 mph, with gusts as high as 24 mph.
Friday
A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 38.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Mostly cloudy, with a high near 25.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Partly sunny, with a high near 19.
Sunday Night
Partly cloudy, with a low around 7.
M.L.King Day
Mostly sunny, with a high near 25.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Charleston IL
39.48°N 88.19°W (Elev. 650 ft)
39.48°N 88.19°W (Elev. 650 ft)
1:51 am CST Jan 13, 2026
2am CST Jan 13, 2026-6pm CST Jan 19, 2026
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