Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
69°F
21°C
| Humidity | 78% |
| Wind Speed | SE 12 mph |
| Barometer | 29.84 in (1010.0 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 7:53 am CDT |
Extended Forecast for
Charleston IL
Today
High: 79 °F
Chance
T-stormsTonight
Low: 62 °F
Heavy Rain
Thursday
High: 76 °F
Chance
Showers then
Chance
T-stormsThursday Night
Low: 56 °F
Mostly Clear
Friday
High: 82 °F
Mostly Sunny
Friday Night
Low: 56 °F
Chance
T-storms then
ShowersSaturday
High: 70 °F
Showers
LikelySaturday Night
Low: 38 °F
Chance
ShowersSunday
High: 56 °F
Sunny
Detailed Forecast
Today
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 79. Southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Tonight
Showers likely and possibly a thunderstorm, then showers after 3am. Some of the storms could produce heavy rainfall. Low around 62. South southwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
A 50 percent chance of showers and thunderstorms. Cloudy through mid morning, then gradual clearing, with a high near 76. Southwest wind 13 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 56. Southwest wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 82. South wind 5 to 14 mph, with gusts as high as 22 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 56. South wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Partly sunny, with a high near 70. Southwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 73.
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)
7:41 am CDT Apr 15, 2026
8am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
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