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Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Light Rain Fog/Mist
69°F
21°C
| Humidity | 96% |
| Wind Speed | SE 8 mph |
| Barometer | 29.99 in (1015.2 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 2.50 mi |
| Last update | 15 Oct 12:53 pm CDT |
Extended Forecast for
Charleston IL
This Afternoon

High: 77 °F
T-storms
Tonight
Low: 49 °F
T-storms
Likely then
Showers
LikelyFriday
High: 56 °F
Partly Sunny
then Slight
Chance
ShowersFriday Night

Low: 38 °F
Partly Cloudy
Saturday

High: 59 °F
Sunny
Saturday Night

Low: 34 °F
Clear then
Areas FrostSunday

High: 67 °F
Frost then
SunnySunday Night

Low: 38 °F
Clear
Monday

High: 72 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Showers and thunderstorms. High near 77. South wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 1am, then a chance of showers. Mostly cloudy, with a low around 49. Southwest wind 11 to 17 mph becoming west northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 56. Northwest wind around 18 mph, with gusts as high as 32 mph.
Friday Night
Partly cloudy, with a low around 38. North wind 10 to 17 mph, with gusts as high as 26 mph.
Saturday
Sunny, with a high near 59. North northeast wind 3 to 8 mph.
Saturday Night
Areas of frost after 3am. Otherwise, clear, with a low around 34. Light and variable wind.
Sunday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 67. South wind 3 to 7 mph.
Sunday Night
Clear, with a low around 38.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 76.
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)
12:36 pm CDT Oct 15, 2026
1pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026



