Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast and Breezy
59°F
15°C
| Humidity | 39% |
| Wind Speed | W 21 G 30 mph |
| Barometer | 30.15 in |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 19 Apr 4:04 pm CDT |
Extended Forecast for
3 Miles WNW Mattoon IL
Frost Advisory April 20, 01:00am until April 20, 08:00am
Tonight

Low: 34 °F
Partly Cloudy
then Areas
FrostMonday

High: 59 °F
Areas Frost
then SunnyMonday Night

Low: 46 °F
Mostly Clear
Tuesday

High: 75 °F
Mostly Sunny
Tuesday Night

Low: 58 °F
Partly Cloudy
Wednesday

High: 77 °F
Mostly Sunny
Wednesday Night

Low: 57 °F
Mostly Clear
Thursday
High: 79 °F
Sunny then
Mostly Sunny
and BreezyThursday Night
Low: 61 °F
Mostly Cloudy
then Showers
Likely
Detailed Forecast
Tonight
Areas of frost after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 34. Northwest wind 12 to 17 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 59. East northeast wind around 6 mph becoming light and variable.
Monday Night
Mostly clear, with a low around 46. South wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 75. Southwest wind 13 to 18 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 58. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 77. West southwest wind around 10 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 57. South wind around 9 mph, with gusts as high as 16 mph.
Thursday
Sunny, with a high near 79. Breezy.
Thursday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
A chance of showers. Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 68.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WNW Mattoon IL
39.49°N 88.42°W (Elev. 732 ft)
39.49°N 88.42°W (Elev. 732 ft)
5:31 pm CDT Apr 19, 2026
5pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026



