Dangerous heat and humidity from the central U.S. to East Coast

Hot and very humid conditions will continue to produce heat index values over 100 degrees across a large portion of the central and eastern U.S. Heat Advisories and Excessive Heat Warnings continue for the Plains, Mississippi Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Read More >

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Thunderstorm in Vicinity Light Rain

72°F

22°C

Humidity 87%
Wind Speed N 18 G 24 mph
Barometer 30.06 in (1017.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 25 Jul 12:53 am CDT
Extended Forecast for

Charleston IL

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly between 3am and 5am.  Mostly cloudy, with a low around 73. West southwest wind 3 to 5 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely

    Low: 73 °F

  • Monday

    Monday: Scattered showers and thunderstorms, mainly before 2pm.  Mostly cloudy, with a high near 88. Light and variable wind becoming north around 6 mph in the afternoon.  Chance of precipitation is 40%.

    Scattered
    T-storms

    High: 88 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 68. North wind 3 to 6 mph.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 68 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Northeast wind around 5 mph.

    Mostly Sunny

    High: 87 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 69. Light northeast wind.

    Partly Cloudy

    Low: 69 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Light east wind.

    Mostly Sunny

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 8pm.  Mostly cloudy, with a low around 69. Light and variable wind.

    Chance
    T-storms

    Low: 69 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 84.

    Chance
    T-storms

    High: 84 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68.

    Chance
    T-storms

    Low: 68 °F

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly between 3am and 5am. Mostly cloudy, with a low around 73. West southwest wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Scattered showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 88. Light and variable wind becoming north around 6 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. North wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 87. Northeast wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 69. Light northeast wind.
Wednesday
Mostly sunny, with a high near 85. Light east wind.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 69. Light and variable wind.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
Charleston IL
 39.48°N 88.19°W (Elev. 650 ft)
12:24 am CDT Jul 25, 2016
1am CDT Jul 25, 2016-6pm CDT Jul 31, 2016
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database