Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
49°F
9°C
| Humidity | 77% |
| Wind Speed | S 10 mph |
| Barometer | 30.08 in (1018.9 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 16 Feb 9:53 am CST |
Extended Forecast for
Charleston IL
Washington's Birthday

High: 58 °F
Mostly Cloudy
Tonight

Low: 41 °F
Mostly Cloudy
Tuesday

High: 59 °F
Mostly Cloudy
Tuesday Night
Low: 55 °F
Breezy.
Cloudy then
Chance RainWednesday

High: 68 °F
Sunny and
BreezyWednesday Night

Low: 44 °F
Partly Cloudy
Thursday
High: 67 °F
Mostly Sunny
then Chance
T-stormsThursday Night
Low: 38 °F
Chance
T-storms then
Mostly ClearFriday

High: 50 °F
Mostly Sunny
Detailed Forecast
Washington's Birthday
Mostly cloudy, with a high near 58. South southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 41. South wind around 8 mph, with gusts as high as 16 mph.
Tuesday
Mostly cloudy, with a high near 59. South wind 8 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 55. Breezy, with a south southwest wind 17 to 21 mph, with gusts as high as 34 mph.
Wednesday
Sunny, with a high near 68. Breezy, with a west southwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
Partly cloudy, with a low around 44. Southwest wind around 7 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.
Thursday
A 50 percent chance of rain and thunderstorms after noon. Mostly sunny, with a high near 67. Southeast wind 6 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A 40 percent chance of rain and thunderstorms before midnight. Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 37.
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)
9:37 am CST Feb 16, 2026
10am CST Feb 16, 2026-6pm CST Feb 22, 2026



