Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
55°F
13°C
| Humidity | 37% |
| Wind Speed | W 10 G 31 mph |
| Barometer | 30.19 in (1022.6 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 52°F (11°C) |
| Last update | 19 Apr 10:53 am CDT |
Extended Forecast for
4 Miles ENE Sullivan IL
Frost Advisory April 20, 01:00am until April 20, 08:00am
Today
High: 61 °F
Increasing
Clouds and
BreezyTonight
Low: 34 °F
Partly Cloudy
then Areas
FrostMonday
High: 60 °F
Frost then
SunnyMonday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 76 °F
Mostly Sunny
Tuesday Night
Low: 56 °F
Mostly Clear
Wednesday
High: 77 °F
Mostly Sunny
Wednesday Night
Low: 57 °F
Mostly Clear
Thursday
High: 80 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Detailed Forecast
Today
Increasing clouds, with a high near 61. Breezy, with a west wind 15 to 20 mph, with gusts 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 60. Light and variable wind becoming east around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 46. South wind 7 to 11 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 77. West southwest wind around 10 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 57.
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 49.
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:
4 Miles ENE Sullivan IL
39.61°N 88.52°W (Elev. 650 ft)
39.61°N 88.52°W (Elev. 650 ft)
10:36 am CDT Apr 19, 2026
11am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
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