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

High: 82 °F
Slight Chance
T-stormsTonight
Low: 52 °F
Chance
T-storms then
ShowersSaturday
High: 62 °F⇓
Showers then
Slight Chance
ShowersSaturday Night

Low: 37 °F
Mostly Clear
Sunday

High: 60 °F
Sunny
Sunday Night

Low: 36 °F
Mostly Clear
then Patchy
FrostMonday

High: 63 °F
Patchy Frost
then SunnyMonday Night

Low: 48 °F
Mostly Clear
Tuesday

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.
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)
11:16 am CDT Apr 17, 2026
11am CDT Apr 17, 2026-6pm CDT Apr 23, 2026



