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 | 67% |
| Wind Speed | SW 7 mph |
| Barometer | 30.17 in (1022.0 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 19 Apr 1:53 am CDT |
Extended Forecast for
4 Miles NNE Windsor IL
Frost Advisory April 20, 01:00am until April 20, 08:00am
Frost Advisory April 19, 02:15am until April 19, 08:00am
NOW until 8:00am Sun

Frost Advisory
Overnight

Low: 36 °F
Areas Frost
Sunday
High: 60 °F
Areas Frost
then
Increasing
Clouds and
BreezySunday Night

Low: 34 °F
Partly Cloudy
then Areas
FrostMonday

High: 59 °F
Areas Frost
then SunnyMonday Night

Low: 47 °F
Mostly Clear
Tuesday

High: 74 °F
Mostly Sunny
Tuesday Night

Low: 57 °F
Mostly Clear
Wednesday

High: 75 °F
Sunny
Detailed Forecast
Overnight
Areas of frost after 4am. Otherwise, clear, with a low around 36. Southwest wind around 6 mph.
Sunday
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 31 mph.
Sunday Night
Areas of frost after 4am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 34. North wind 5 to 13 mph, with gusts as high as 22 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 59. Light and variable wind becoming east around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 47. South wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 74. Southwest wind 11 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 57. Southwest wind around 11 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 62.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73.
Friday Night
Showers likely. Mostly cloudy, with a low around 50.
Saturday
A chance of showers. Mostly sunny, with a high near 66.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
4 Miles NNE Windsor IL
39.5°N 88.56°W (Elev. 653 ft)
39.5°N 88.56°W (Elev. 653 ft)
2:01 am CDT Apr 19, 2026
2am CDT Apr 19, 2026-6pm CDT Apr 25, 2026



