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

27°F

-3°C

Humidity 72%
Wind Speed N 10 mph
Barometer 29.96 in (1015.3 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 2 Jan 9:53 am CST
Extended Forecast for

Martinsville IL

  • Today

    Today: Mostly cloudy, with a high near 34. North northeast wind around 7 mph.

    High: 34 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Northeast wind 5 to 7 mph.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 37. Northeast wind 5 to 7 mph.

    High: 37 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 21. North wind around 5 mph becoming calm in the evening.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 37. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 37 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 50. South southwest wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 34. North northeast wind around 7 mph.
Tonight
Mostly cloudy, with a low around 25. Northeast wind 5 to 7 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 37. Northeast wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 21. North wind around 5 mph becoming calm in the evening.
Sunday
Increasing clouds, with a high near 37. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 50. South southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
A chance of rain. Mostly cloudy, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Martinsville IL
 39.34°N 87.88°W (Elev. 600 ft)
Last Update:
9:36 am CST Jan 2, 2026
Forecast Valid:
10am CST Jan 2, 2026-6pm CST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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