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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.

Fair

64°F

18°C

Humidity 46%
Wind Speed Vrbl 3 mph
Barometer 30.31 in (1026.6 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 11 Apr 1:53 pm CDT
Extended Forecast for

Charleston IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 68. East southeast wind around 8 mph.

    High: 68 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. South southeast wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of showers after 5pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 11 to 21 mph, with gusts as high as 36 mph.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 63. South wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 81. South southwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. South southwest wind 13 to 18 mph, with gusts as high as 29 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 68. East southeast wind around 8 mph.
Tonight
Mostly cloudy, with a low around 57. South southeast wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday
A 10 percent chance of showers after 5pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 11 to 21 mph, with gusts as high as 36 mph.
Sunday Night
A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 63. South wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 81. South southwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Partly cloudy, with a low around 66. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. South southwest wind 13 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Thursday
A chance of showers. Mostly cloudy, with a high near 77.
Thursday Night
Mostly clear, with a low around 58.
Friday
A chance of showers. Mostly sunny, with a high near 81.
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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:
1:44 pm CDT Apr 11, 2026
Forecast Valid:
2pm CDT Apr 11, 2026-6pm CDT Apr 17, 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