Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast
10°F
-12°C
| Humidity | 67% |
| Wind Speed | S 6 mph |
| Barometer | 30.42 in (1031.5 mb) |
| Dewpoint | 1°F (-17°C) |
| Visibility | 10.00 mi |
| Wind Chill | 0°F (-18°C) |
| Last update | 20 Jan 6:53 am CST |
Extended Forecast for
Martinsville IL
Today

High: 29 °F
Mostly Sunny
Tonight

Low: 23 °F
Mostly Cloudy
Wednesday

High: 42 °F
Gradual
ClearingWednesday Night

Low: 22 °F
Partly Cloudy
Thursday

High: 33 °F
Mostly Sunny
Thursday Night

Low: 9 °F
Mostly Cloudy
Friday

High: 14 °F
Mostly Cloudy
Friday Night

Low: 2 °F
Mostly Cloudy
Saturday
High: 14 °F
Mostly Cloudy
then Chance
Snow
Detailed Forecast
Today
Mostly sunny, with a high near 29. Wind chill values between -2 and 8. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 23. South wind 11 to 17 mph, with gusts as high as 28 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 42. West wind 10 to 18 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 22. West southwest wind 9 to 13 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 33. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 9. Northwest wind 5 to 10 mph, with gusts as high as 16 mph.
Friday
Mostly cloudy, with a high near 14. North wind 11 to 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 2.
Saturday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 14.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 20.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Sunny, with a high near 22.
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)
6:36 am CST Jan 20, 2026
7am CST Jan 20, 2026-6pm CST Jan 26, 2026



