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

79°F

26°C

Humidity 42%
Wind Speed S 13 G 31 mph
Barometer 29.80 in (1008.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 23 Apr 5:53 pm CDT
Extended Forecast for

Martinsville IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 62. South wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 62 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms, mainly before 11am, then showers likely and possibly a thunderstorm after 1pm. High near 74. South southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 53. West wind around 6 mph becoming north after midnight.

    Low: 53 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 74. North northeast wind 7 to 10 mph, with gusts as high as 16 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. Northeast wind around 8 mph, with gusts as high as 15 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74. East wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58. East wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Breezy. Chance of precipitation is 70%.

    High: 77 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 56. Breezy. Chance of precipitation is 80%.

    Low: 56 °F

    Showers and
    Breezy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 62. South wind 10 to 14 mph, with gusts as high as 23 mph.
Friday
Showers and thunderstorms, mainly before 11am, then showers likely and possibly a thunderstorm after 1pm. High near 74. South southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 53. West wind around 6 mph becoming north after midnight.
Saturday
Sunny, with a high near 74. North northeast wind 7 to 10 mph, with gusts as high as 16 mph.
Saturday Night
Partly cloudy, with a low around 51. Northeast wind around 8 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 74. East wind 8 to 10 mph, with gusts as high as 16 mph.
Sunday Night
Mostly cloudy, with a low around 58. East wind 8 to 13 mph, with gusts as high as 22 mph.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Breezy. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 56. Breezy. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 48.
Thursday
A chance of showers. Mostly sunny, with a high near 64.
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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:
6:26 pm CDT Apr 23, 2026
Forecast Valid:
6pm CDT Apr 23, 2026-6pm CDT Apr 30, 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