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

26°F

-3°C

Humidity 78%
Wind Speed NW 7 mph
Barometer 30.02 in (1017.1 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 20 Feb 11:53 pm CST
Extended Forecast for

Martinsville IL

  • Overnight

    Overnight: Mostly clear, with a low around 26. Northwest wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of sprinkles and flurries before 2pm, then a chance of sprinkles between 2pm and 3pm. Increasing clouds, with a high near 38. West northwest wind 7 to 10 mph, with gusts as high as 17 mph.

    High: 38 °F

    Partly Sunny
    then Chance
    Sprinkles/Flurries

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22. Northwest wind 9 to 16 mph, with gusts as high as 26 mph.

    Low: 22 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 31. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 31 mph.

    High: 31 °F

    Mostly Cloudy
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. Northwest wind 14 to 17 mph, with gusts as high as 26 mph.

    Low: 18 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 33. North northwest wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. Northwest wind around 6 mph becoming calm.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 26. Northwest wind 6 to 8 mph, with gusts as high as 15 mph.
Saturday
A chance of sprinkles and flurries before 2pm, then a chance of sprinkles between 2pm and 3pm. Increasing clouds, with a high near 38. West northwest wind 7 to 10 mph, with gusts as high as 17 mph.
Saturday Night
Partly cloudy, with a low around 22. Northwest wind 9 to 16 mph, with gusts as high as 26 mph.
Sunday
Mostly cloudy, with a high near 31. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 31 mph.
Sunday Night
Partly cloudy, with a low around 18. Northwest wind 14 to 17 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 33. North northwest wind 8 to 17 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 17. Northwest wind around 6 mph becoming calm.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 54.
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:
11:31 pm CST Feb 20, 2026
Forecast Valid:
12am CST Feb 21, 2026-6pm CST Feb 27, 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