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.

Fair

58°F

14°C

Humidity 90%
Wind Speed N 3 mph
Barometer 30.17 in (1021.3 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 3 Aug 1:53 am CDT
Extended Forecast for

Martinsville IL

  • Overnight

    Overnight: Mostly clear, with a low around 57. Northeast wind around 7 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. East northeast wind 7 to 10 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64. Northeast wind 6 to 8 mph.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. East wind 5 to 8 mph.

    High: 81 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Calm wind becoming southeast around 6 mph in the morning.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. Light east southeast wind.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 57. Northeast wind around 7 mph.
Sunday
Sunny, with a high near 81. East northeast wind 7 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 64. Northeast wind 6 to 8 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. East wind 5 to 8 mph.
Monday Night
Mostly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Calm wind becoming southeast around 6 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 66. Light east southeast wind.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Martinsville IL
 39.34°N 87.88°W (Elev. 600 ft)
Last Update:
1:40 am CDT Aug 3, 2025
Forecast Valid:
2am CDT Aug 3, 2025-6pm CDT Aug 9, 2025
 
Forecast Discussion
 
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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