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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.
Partly Cloudy
71°F
22°C
| Humidity | 94% |
| Wind Speed | Calm |
| Barometer | 30.04 in (1016.7 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 15 Jul 4:53 am CDT |
Extended Forecast for
Charleston IL
Today
High: 85 °F
Chance
T-storms then
Heavy RainTonight
Low: 71 °F
Chance
T-stormsWednesday
High: 89 °F
Slight Chance
T-stormsWednesday Night
Low: 72 °F
Partly Cloudy
then Chance
T-stormsThursday
High: 86 °F
Partly Sunny
then Showers
LikelyThursday Night
Low: 66 °F
Chance
T-stormsFriday
High: 83 °F
Mostly Cloudy
then Chance
T-stormsFriday Night
Low: 69 °F
Mostly Cloudy
Saturday
High: 87 °F
Chance
T-storms then
Showers
Likely
Detailed Forecast
Today
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 85. Calm wind becoming south southeast 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 71. South wind 3 to 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 89. Southwest wind 3 to 6 mph.
Wednesday Night
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 72. South southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. West wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Northwest wind around 5 mph becoming light and variable. Chance of precipitation is 40%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 69.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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)
5:10 am CDT Jul 15, 2025
5am CDT Jul 15, 2025-6pm CDT Jul 21, 2025
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