Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
41°F
5°C
| Humidity | 70% |
| Wind Speed | SW 7 mph |
| Barometer | 30.18 in (1022.2 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 19 Apr 6:53 am CDT |
Extended Forecast for
Mattoon/Charleston, Coles County Memorial Airport IL
Frost Advisory April 20, 01:00am until April 20, 08:00am
Frost Advisory April 19, 07:08am until April 19, 08:00am
NOW until 8:00am Sun
Frost Advisory
Today
High: 60 °F
Areas Frost
then
Increasing
Clouds and
BreezyTonight
Low: 34 °F
Partly Cloudy
then Areas
FrostMonday
High: 59 °F
Areas Frost
then SunnyMonday Night
Low: 45 °F
Mostly Clear
Tuesday
High: 75 °F
Mostly Sunny
Tuesday Night
Low: 56 °F
Mostly Clear
Wednesday
High: 76 °F
Sunny
Wednesday Night
Low: 57 °F
Mostly Clear
Detailed Forecast
Today
Areas of frost before 8am. Otherwise, increasing clouds, with a high near 60. Breezy, with a west wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
Areas of frost after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 34. North wind 5 to 11 mph, with gusts as high as 23 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 59. Light and variable wind becoming east northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 45. South wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 75. Southwest wind 11 to 18 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 56. Southwest wind around 11 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 76. West southwest wind around 10 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 62.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75.
Friday Night
Showers likely. Mostly cloudy, with a low around 50.
Saturday
A chance of showers. Mostly sunny, with a high near 67.
Additional Forecasts and Information
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Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
39.46°N 88.28°W (Elev. 679 ft)
39.46°N 88.28°W (Elev. 679 ft)
6:36 am CDT Apr 19, 2026
7am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
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