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

60°F

16°C

Humidity 52%
Wind Speed S 12 mph
Barometer 30.14 in (1020.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 9 Apr 2:53 am CDT
Extended Forecast for

Charleston IL

  • Overnight

    Overnight: Mostly clear, with a low around 53. South southwest wind around 13 mph, with gusts as high as 24 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 76. Southwest wind 14 to 17 mph, with gusts as high as 30 mph.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 57. South wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 66. Southwest wind 10 to 13 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. Northeast wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68. Southeast wind around 8 mph, with gusts as high as 16 mph.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56. 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 78.

    High: 78 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Cloudy then
    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 53. South southwest wind around 13 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 76. Southwest wind 14 to 17 mph, with gusts as high as 30 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 57. South wind 9 to 13 mph, with gusts as high as 23 mph.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 66. Southwest wind 10 to 13 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly cloudy, with a low around 44. Northeast wind 6 to 8 mph, with gusts as high as 15 mph.
Saturday
Partly sunny, with a high near 68. Southeast wind around 8 mph, with gusts as high as 16 mph.
Saturday Night
Mostly cloudy, with a low around 56. Southeast wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday
Mostly cloudy, with a high near 78.
Sunday Night
Showers likely after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 65.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61.
Wednesday
A chance of showers. Mostly cloudy, with a high near 74.
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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:
2:52 am CDT Apr 9, 2026
Forecast Valid:
3am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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