Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

74°F

23°C

Humidity 91%
Wind Speed SE 7 mph
Barometer 30.08 in (1017.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 10 Aug 1:53 am CDT
Extended Forecast for

Charleston IL

  • Overnight

    Overnight: Mostly clear, with a low around 70. South wind around 6 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 88. South wind 5 to 9 mph.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70. South wind 3 to 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. South southwest wind 3 to 7 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. Light south wind.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 87. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 70. South wind around 6 mph.
Sunday
Mostly sunny, with a high near 88. South wind 5 to 9 mph.
Sunday Night
Partly cloudy, with a low around 70. South wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 88. South southwest wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 70. Light south wind.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Calm wind becoming south southwest 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 69. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.48°N 88.19°W (Elev. 650 ft)
12:40 am CDT Aug 10, 2025
1am CDT Aug 10, 2025-6pm CDT Aug 16, 2025
 
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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