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

71°F

22°C

Humidity 87%
Wind Speed Calm
Barometer 29.89 in (1011.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 16 Jun 8:53 pm CDT
Extended Forecast for

5 Miles NNW Martinsville IL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Areas of fog after 4am. Otherwise, cloudy, with a low around 68. Light south wind.

    Low: 68 °F

    Slight Chance
    T-storms then
    Areas Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 86. Calm wind becoming south southwest 5 to 9 mph in the morning.

    High: 86 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. South wind around 7 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly after 1pm. High near 85. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 68. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    T-storms
    Likely

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 82. West northwest wind 6 to 8 mph, with gusts as high as 15 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Light southwest wind.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Areas of fog after 4am. Otherwise, cloudy, with a low around 68. Light south wind.
Tuesday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 86. Calm wind becoming south southwest 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 71. South wind around 7 mph.
Wednesday
Showers and thunderstorms, mainly after 1pm. High near 85. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 68. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Juneteenth
Mostly sunny, with a high near 82. West northwest wind 6 to 8 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 66. Light southwest wind.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Martinsville IL
 39.38°N 87.94°W (Elev. 656 ft)
Last Update:
8:41 pm CDT Jun 16, 2025
Forecast Valid:
9pm CDT Jun 16, 2025-6pm CDT Jun 23, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation