Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Mostly Cloudy
75°F
24°C
| Humidity | 62% |
| Wind Speed | S 13 G 24 mph |
| Barometer | 29.91 in (1012.2 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 2:53 pm CDT |
Extended Forecast for
Charleston IL
This Afternoon
High: 78 °F
Chance
T-stormsTonight
Low: 62 °F
Heavy Rain
Thursday
High: 77 °F
Chance
Showers then
Slight Chance
T-stormsThursday Night
Low: 55 °F
Mostly Clear
Friday
High: 82 °F
Mostly Sunny
Friday Night
Low: 53 °F
Chance
T-storms then
ShowersSaturday
High: 66 °F
Showers
LikelySaturday Night
Low: 38 °F
Partly Cloudy
Sunday
High: 57 °F
Sunny
Detailed Forecast
This Afternoon
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 78. South southwest wind around 16 mph, with gusts as high as 26 mph.
Tonight
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 10pm, then showers likely and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 62. South southwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 77. West southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 55. West wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 82. South wind 5 to 14 mph, with gusts as high as 24 mph.
Friday Night
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 53. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely, mainly before 1pm. Partly sunny, with a high near 66. West northwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 74.
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)
3:36 pm CDT Apr 15, 2026
3pm CDT Apr 15, 2026-6pm CDT Apr 21, 2026
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