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.

Fair

44°F

7°C

Humidity 89%
Wind Speed N 7 mph
Barometer 30.34 in (1027.6 mb)
Dewpoint 41°F (5°C)
Visibility 8.00 mi
Wind Chill40°F (4°C)
Last update 11 Apr 12:53 am CDT
Extended Forecast for

Martinsville IL

  • Overnight

    Overnight: Mostly clear, with a low around 43. Northeast wind around 7 mph, with gusts as high as 17 mph.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 68. East southeast wind 6 to 8 mph, with gusts as high as 16 mph.

    High: 68 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56. East southeast wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80. Breezy, with a south southwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 80 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm, mainly after 4am. Mostly cloudy, with a low around 65. South southwest wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Mostly Cloudy
    then Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South southwest wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 67. South southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 67 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Northeast wind around 7 mph, with gusts as high as 17 mph.
Saturday
Increasing clouds, with a high near 68. East southeast wind 6 to 8 mph, with gusts as high as 16 mph.
Saturday Night
Mostly cloudy, with a low around 56. East southeast wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, with a high near 80. Breezy, with a south southwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
Showers likely and possibly a thunderstorm, mainly after 4am. Mostly cloudy, with a low around 65. South southwest wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South southwest wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 67. South southwest wind around 14 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 84.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 65.
Thursday
Showers likely. Mostly cloudy, with a high near 78.
Thursday Night
A chance of showers. Partly cloudy, with a low around 60.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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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:
12:36 am CDT Apr 11, 2026
Forecast Valid:
1am CDT Apr 11, 2026-6pm CDT Apr 17, 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