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

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

59°F

15°C

Humidity 62%
Wind Speed S 7 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 7 Oct 12:53 am CDT
Extended Forecast for

Martinsville IL

  • Overnight

    Overnight: Clear, with a low around 49. South southwest wind 3 to 6 mph.

    Low: 49 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. North northwest wind 5 to 7 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Northwest wind 3 to 8 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. North wind around 5 mph becoming light and variable in the evening.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Light and variable wind becoming south southeast 5 to 9 mph in the morning.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Southeast wind around 7 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

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

    Low: 60 °F

    Mostly Cloudy
    then Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 49. South southwest wind 3 to 6 mph.
Wednesday
Sunny, with a high near 85. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 52. North northwest wind 5 to 7 mph.
Thursday
Sunny, with a high near 81. Northwest wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 50. North wind around 5 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 82. Light and variable wind becoming south southeast 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 56. Southeast wind around 7 mph.
Saturday
Sunny, with a high near 84.
Saturday Night
Showers likely after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before 1pm. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 56.
Columbus Day
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 78.
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:
12:51 am CDT Oct 7, 2026
Forecast Valid:
1am CDT Oct 7, 2026-6pm CDT Oct 13, 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