National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fog/Mist

71°F

22°C

Humidity 94%
Wind Speed NE 9 mph
Barometer 29.98 in (1014.6 mb)
Dewpoint 69°F (21°C)
Visibility 6.00 mi
Last update 6 Sep 5:53 am CDT
Extended Forecast for

Martinsville IL

  • Today

    Today: Sunny, with a high near 85. Northeast wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. East northeast wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 61 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 84. East northeast wind 6 to 9 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. East northeast wind 3 to 6 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. South wind 5 to 11 mph, with gusts as high as 17 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 96. West southwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 85. Northeast wind 8 to 11 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 61. East northeast wind 6 to 9 mph, with gusts as high as 16 mph.
Labor Day
Sunny, with a high near 84. East northeast wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 63. East northeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 92. Light and variable wind becoming south 5 to 8 mph in the morning.
Tuesday Night
Mostly clear, with a low around 71. South wind 5 to 11 mph, with gusts as high as 17 mph.
Wednesday
Mostly sunny and hot, with a high near 96. West southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Martinsville IL
 39.34°N 87.88°W (Elev. 600 ft)
Last Update:
4:35 am CDT Sep 6, 2026
Forecast Valid:
6am CDT Sep 6, 2026-6pm CDT Sep 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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