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

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

10°F

-12°C

Humidity 67%
Wind Speed S 6 mph
Barometer 30.42 in (1031.5 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 20 Jan 6:53 am CST
Extended Forecast for

Martinsville IL

  • Today

    Today: Mostly sunny, with a high near 29. Wind chill values between -2 and 8. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 29 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. South wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 42. West wind 10 to 18 mph, with gusts as high as 30 mph.

    High: 42 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. West southwest wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 33. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9. Northwest wind 5 to 10 mph, with gusts as high as 16 mph.

    Low: 9 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 14. North wind 11 to 14 mph, with gusts as high as 20 mph.

    High: 14 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 14.

    High: 14 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 29. Wind chill values between -2 and 8. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 23. South wind 11 to 17 mph, with gusts as high as 28 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 42. West wind 10 to 18 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 22. West southwest wind 9 to 13 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 33. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 9. Northwest wind 5 to 10 mph, with gusts as high as 16 mph.
Friday
Mostly cloudy, with a high near 14. North wind 11 to 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 2.
Saturday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 14.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 20.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Sunny, with a high near 22.
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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:
6:36 am CST Jan 20, 2026
Forecast Valid:
7am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation