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.

Partly Cloudy

72°F

22°C

Humidity 68%
Wind Speed S 10 mph
Barometer 29.95 in (1013.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Apr 10:53 am CDT
Extended Forecast for

Martinsville IL

  • Today

    Today: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. South wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 52. South wind 14 to 16 mph becoming west southwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers, mainly before 1pm. Temperature falling to around 52 by 1pm. West southwest wind 14 to 18 mph becoming northwest in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F⇓

    Showers then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60. West northwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Northwest wind 5 to 8 mph becoming east northeast after midnight. Winds could gust as high as 16 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Monday

    Monday: Patchy frost before 8am. Otherwise, sunny, with a high near 63. East wind 5 to 7 mph becoming south in the afternoon.

    High: 63 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. South wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 52. South wind 14 to 16 mph becoming west southwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers, mainly before 1pm. Temperature falling to around 52 by 1pm. West southwest wind 14 to 18 mph becoming northwest in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly clear, with a low around 37. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 60. West northwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. Northwest wind 5 to 8 mph becoming east northeast after midnight. Winds could gust as high as 16 mph.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 63. East wind 5 to 7 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 80.
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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:
11:16 am CDT Apr 17, 2026
Forecast Valid:
11am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation