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

75°F

24°C

Humidity 64%
Wind Speed S 14 G 23 mph
Barometer 30.03 in (1016.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 13 Apr 10:53 am CDT
Extended Forecast for

Charleston IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. South southwest wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 80 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. South wind 14 to 17 mph, with gusts as high as 29 mph.

    Low: 66 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 83. South southwest wind 13 to 17 mph, with gusts as high as 29 mph.

    High: 83 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 79. South southwest wind 10 to 15 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.

    High: 79 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. South southwest wind 15 to 17 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a low around 66. South wind 14 to 17 mph, with gusts as high as 29 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 83. South southwest wind 13 to 17 mph, with gusts as high as 29 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 79. South southwest wind 10 to 15 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.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 83.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
Last Update:
11:26 am CDT Apr 13, 2026
Forecast Valid:
11am CDT Apr 13, 2026-6pm CDT Apr 19, 2026
 
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