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.

Mostly Cloudy

40°F

4°C

Humidity 70%
Wind Speed Calm
Barometer 30.34 in (1028.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 7 Apr 10:53 pm CDT
Extended Forecast for

Martinsville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. East southeast wind 6 to 8 mph, with gusts as high as 17 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. South wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. South wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74. Southwest wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 69. South southwest wind 10 to 13 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 47. North northeast wind around 7 mph.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 37. East southeast wind 6 to 8 mph, with gusts as high as 17 mph.
Wednesday
Mostly sunny, with a high near 68. South wind 8 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 52. South wind 10 to 14 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 74. Southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 54. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 69. South southwest wind 10 to 13 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Friday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 47. North northeast wind around 7 mph.
Saturday
Partly sunny, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 80.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 64.
Monday
A chance of showers. Mostly cloudy, with a high near 80. Breezy.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Breezy.
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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:
10:36 pm CDT Apr 7, 2026
Forecast Valid:
11pm CDT Apr 7, 2026-6pm CDT Apr 14, 2026
 
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