Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
42°F
6°C
| Humidity | 65% |
| Wind Speed | SW 5 mph |
| Barometer | 30.17 in (1021.8 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 19 Apr 12:53 am CDT |
Extended Forecast for
4 Miles ESE Charleston IL
Frost Advisory until April 19, 08:00am
NOW until 8:00am Sun

Frost Advisory
Overnight

Low: 35 °F
Patchy Frost
Sunday

High: 60 °F
Areas Frost
then
Increasing
CloudsSunday Night

Low: 34 °F
Partly Cloudy
then Patchy
FrostMonday

High: 59 °F
Patchy Frost
then SunnyMonday Night

Low: 45 °F
Mostly Clear
Tuesday

High: 74 °F
Mostly Sunny
Tuesday Night

Low: 56 °F
Partly Cloudy
Wednesday

High: 76 °F
Mostly Sunny
Detailed Forecast
Overnight
Patchy frost after 5am. Otherwise, clear, with a low around 35. Southwest wind around 5 mph.
Sunday
Areas of frost before 8am. Otherwise, increasing clouds, with a high near 60. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 34. North northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 20 mph.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 59. Light and variable wind.
Monday Night
Mostly clear, with a low around 45. Light south wind becoming south southeast 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 74. Southwest wind 10 to 17 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 56. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A chance of showers. Partly cloudy, with a low around 61.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 73.
Friday Night
Showers likely. Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 65.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles ESE Charleston IL
39.46°N 88.1°W (Elev. 699 ft)
39.46°N 88.1°W (Elev. 699 ft)
12:35 am CDT Apr 19, 2026
1am CDT Apr 19, 2026-6pm CDT Apr 25, 2026



