Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
40°F
4°C
| Humidity | 73% |
| Wind Speed | S 8 mph |
| Barometer | 30.18 in (1022.2 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 19 Apr 5:53 am CDT |
Extended Forecast for
3 Miles E Sullivan IL
Frost Advisory April 20, 01:00am until April 20, 08:00am
Frost Advisory April 19, 06:45am until April 19, 08:00am
NOW until 8:00am Sun
Frost Advisory
Today
High: 61 °F
Areas Frost
then
Increasing
Clouds and
BreezyTonight
Low: 34 °F
Partly Cloudy
then Areas
FrostMonday
High: 59 °F
Frost then
SunnyMonday Night
Low: 45 °F
Mostly Clear
Tuesday
High: 76 °F
Mostly Sunny
Tuesday Night
Low: 56 °F
Mostly Clear
Wednesday
High: 76 °F
Mostly Sunny
Wednesday Night
Low: 56 °F
Mostly Clear
Detailed Forecast
Today
Areas of frost before 8am. Otherwise, increasing clouds, with a high near 61. Breezy, with a west wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.
Tonight
Areas of frost after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 34. North northeast wind 5 to 13 mph, with gusts as high as 23 mph.
Monday
Widespread frost, mainly between 7am and 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 45. South wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 76. Southwest wind 11 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 56. Southwest wind around 11 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 76. West southwest wind around 10 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 80. Breezy.
Thursday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 61.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75.
Friday Night
Showers likely. Mostly cloudy, with a low around 48.
Saturday
A chance of showers. Mostly sunny, with a high near 67.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles E Sullivan IL
39.61°N 88.55°W (Elev. 650 ft)
39.61°N 88.55°W (Elev. 650 ft)
6:36 am CDT Apr 19, 2026
6am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
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