Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
53°F
12°C
| Humidity | 40% |
| Wind Speed | SE 9 mph |
| Barometer | 29.93 in (1013.7 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 14 Mar 6:53 pm CDT |
Extended Forecast for
Sullivan IL
Wind Advisory March 15, 10:00am until March 16, 07:00am
Tonight

Low: 45 °F
Mostly Cloudy
Sunday
High: 64 °F
Chance
Showers and
Breezy then
Showers
Likely and
WindySunday Night

Low: 20 °F
Rain/Snow and
BlusteryMonday

High: 25 °F
Chance Snow
and BlusteryMonday Night
Low: 10 °F
Mostly Cloudy
and Blustery
then Mostly
CloudyTuesday

High: 30 °F
Mostly Sunny
Tuesday Night
Low: 24 °F
Mostly Cloudy
then Chance
SnowWednesday

High: 55 °F
Mostly Sunny
Wednesday Night

Low: 35 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 45. East southeast wind 11 to 15 mph, with gusts as high as 23 mph.
Sunday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 64. Windy, with a south wind 20 to 30 mph, with gusts as high as 49 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain showers before 11pm, then rain and snow showers between 11pm and 1am, then a chance of snow after 1am. Some thunder is also possible. Low around 20. Blustery, with a west southwest wind 23 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
A 30 percent chance of snow before 1pm. Cloudy, with a high near 25. Wind chill values between 4 and 9. Blustery, with a west northwest wind 24 to 26 mph, with gusts as high as 47 mph.
Monday Night
Mostly cloudy, with a low around 10. Blustery, with a west northwest wind 14 to 20 mph, with gusts as high as 31 mph.
Tuesday
Mostly sunny, with a high near 30. West northwest wind 7 to 10 mph, with gusts as high as 17 mph.
Tuesday Night
A 50 percent chance of snow after 1am. Mostly cloudy, with a low around 24. South wind 6 to 16 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 71.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sullivan IL
39.59°N 88.61°W (Elev. 669 ft)
39.59°N 88.61°W (Elev. 669 ft)
6:35 pm CDT Mar 14, 2026
7pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026



