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

52°F

11°C

Humidity 57%
Wind Speed NW 16 G 28 mph
Barometer 30.29 in (1025.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 6 Apr 10:53 am CDT
Extended Forecast for

Charleston IL

  • Today

    Today: Sunny, with a high near 57. Northwest wind around 16 mph, with gusts as high as 24 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. North northwest wind 7 to 10 mph, with gusts as high as 17 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 47. East northeast wind 7 to 9 mph, with gusts as high as 17 mph.

    High: 47 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. East wind 6 to 9 mph, with gusts as high as 17 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. South wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. South wind 13 to 16 mph, with gusts as high as 28 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 57. Northwest wind around 16 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 33. North northwest wind 7 to 10 mph, with gusts as high as 17 mph.
Tuesday
A 20 percent chance of snow before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 47. East northeast wind 7 to 9 mph, with gusts as high as 17 mph.
Tuesday Night
Mostly cloudy, with a low around 36. East wind 6 to 9 mph, with gusts as high as 17 mph.
Wednesday
Partly sunny, with a high near 67. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 51. South wind 10 to 13 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 68. South wind 13 to 16 mph, with gusts as high as 28 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 69.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 52.
Saturday
A chance of showers. Partly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
A chance of showers. Mostly cloudy, with a high near 78.
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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:
11:31 am CDT Apr 6, 2026
Forecast Valid:
11am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation