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.

Fair

70°F

21°C

Humidity 37%
Wind Speed S 15 G 30 mph
Barometer 30.14 in (1020.8 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 8 Apr 3:53 pm CDT
Extended Forecast for

Charleston IL

  • Tonight

    Tonight: Mostly clear, with a low around 52. South wind 11 to 13 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 75. Southwest wind 14 to 16 mph, with gusts as high as 28 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 4am. Partly cloudy, with a low around 56. South wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 68. South southwest wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 45. Northeast wind around 7 mph.

    Low: 45 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 67. East southeast wind around 8 mph.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56. East southeast wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 77.

    High: 77 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Mostly Cloudy
    then Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 52. South wind 11 to 13 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 75. Southwest wind 14 to 16 mph, with gusts as high as 28 mph.
Thursday Night
A 20 percent chance of showers after 4am. Partly cloudy, with a low around 56. South wind 8 to 11 mph, with gusts as high as 22 mph.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 68. South southwest wind 10 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 45. Northeast wind around 7 mph.
Saturday
Partly sunny, with a high near 67. East southeast wind around 8 mph.
Saturday Night
Mostly cloudy, with a low around 56. East southeast wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday
Mostly cloudy, with a high near 77.
Sunday Night
Showers likely after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Breezy. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 66.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
Last Update:
3:37 pm CDT Apr 8, 2026
Forecast Valid:
4pm CDT Apr 8, 2026-6pm CDT Apr 15, 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