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.

A Few Clouds

15°F

-9°C

Humidity 70%
Wind Speed W 17 G 23 mph
Barometer 30.08 in (1019.7 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 17 Mar 2:53 am CDT
Extended Forecast for

Martinsville IL

  • Overnight

    Overnight: A chance of flurries with a slight chance of snow. Mostly cloudy, with a low around 15. Wind chill values between 1 and 6. West northwest wind around 16 mph, with gusts as high as 26 mph.

    Low: 15 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 30. Wind chill values between zero and 10. West northwest wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 30 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 26. Light south wind becoming south southeast 9 to 14 mph in the evening. Winds could gust as high as 25 mph.

    Low: 26 °F

    Slight Chance
    Snow then
    Chance Snow

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 54. South wind 11 to 17 mph, with gusts as high as 29 mph.

    High: 54 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. South southwest wind around 6 mph.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 63. South wind 6 to 8 mph.

    High: 63 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Southeast wind around 6 mph.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of flurries with a slight chance of snow. Mostly cloudy, with a low around 15. Wind chill values between 1 and 6. West northwest wind around 16 mph, with gusts as high as 26 mph.
Tuesday
Partly sunny, with a high near 30. Wind chill values between zero and 10. West northwest wind 7 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 26. Light south wind becoming south southeast 9 to 14 mph in the evening. Winds could gust as high as 25 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 54. South wind 11 to 17 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly cloudy, with a low around 37. South southwest wind around 6 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 63. South wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 43. Southeast wind around 6 mph.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 53.
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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:
3:36 am CDT Mar 17, 2026
Forecast Valid:
3am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
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Additional Resources

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Chance of Precipitation