Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast
46°F
8°C
| Humidity | 73% |
| Wind Speed | W 17 mph |
| Barometer | 29.98 in (1015.3 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 18 Apr 11:53 am CDT |
Extended Forecast for
Martinsville IL
This Afternoon

High: 56 °F
Decreasing
CloudsTonight

Low: 36 °F
Mostly Clear
Sunday

High: 61 °F
Sunny
Sunday Night

Low: 35 °F
Partly Cloudy
then Patchy
FrostMonday

High: 59 °F
Patchy Frost
then SunnyMonday Night

Low: 45 °F
Mostly Clear
Tuesday

High: 75 °F
Mostly Sunny
Tuesday Night

Low: 57 °F
Partly Cloudy
Wednesday

High: 77 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Cloudy, then gradually becoming mostly sunny, with a high near 56. Northwest wind around 16 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 36. Northwest wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 61. West southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 35. North northwest wind 9 to 14 mph becoming light north northeast after midnight. Winds could gust as high as 24 mph.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 59. Light and variable wind becoming east northeast around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 45. Light south southeast wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 75. Southwest wind 10 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
A chance of showers. Partly cloudy, with a low around 63.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Martinsville IL
39.34°N 87.88°W (Elev. 600 ft)
39.34°N 87.88°W (Elev. 600 ft)
12:36 pm CDT Apr 18, 2026
12pm CDT Apr 18, 2026-6pm CDT Apr 24, 2026



