National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

78°F

26°C

Humidity 90%
Wind Speed N 8 mph
Barometer 30.02 in (1015.7 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 30 Jul 10:53 pm CDT
Extended Forecast for

Charleston IL

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. North wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 76. North northeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 61. North northeast wind 8 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 78. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. North northeast wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. East northeast wind 6 to 8 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. Northeast wind around 6 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. North wind 3 to 5 mph. Chance of precipitation is 40%.
Thursday
A chance of showers, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 76. North northeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Thursday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 61. North northeast wind 8 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 78. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 57. North northeast wind 6 to 8 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 78. East northeast wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 58. Northeast wind around 6 mph.
Sunday
Sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Partly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
A chance of showers. Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.48°N 88.19°W (Elev. 650 ft)
Last Update:
10:41 pm CDT Jul 30, 2025
Forecast Valid:
11pm CDT Jul 30, 2025-6pm CDT Aug 6, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation