Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast
27°F
-3°C
| Humidity | 72% |
| Wind Speed | SW 6 mph |
| Barometer | 30.16 in (1022.4 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 2 Feb 9:53 am CST |
Extended Forecast for
Sullivan IL
Today

High: 31 °F
Mostly Cloudy
Tonight
Low: 19 °F
Mostly Cloudy
then Slight
Chance SnowTuesday
High: 29 °F
Chance Snow
then Partly
SunnyTuesday Night

Low: 10 °F
Partly Cloudy
Wednesday

High: 24 °F
Mostly Sunny
Wednesday Night

Low: 8 °F
Partly Cloudy
Thursday

High: 31 °F
Partly Sunny
Thursday Night

Low: 24 °F
Partly Cloudy
Friday

High: 36 °F
Partly Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 31. West wind 3 to 7 mph.
Tonight
A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 19. Light and variable wind.
Tuesday
A 50 percent chance of snow before noon. Mostly cloudy, with a high near 29. Light and variable wind becoming north northeast 5 to 8 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 10. Wind chill values between 3 and 8. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 24. North wind 3 to 5 mph.
Wednesday Night
Partly cloudy, with a low around 8. Light west wind.
Thursday
Partly sunny, with a high near 31. Light west southwest wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 13.
Saturday
Sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 31.
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)
9:37 am CST Feb 2, 2026
10am CST Feb 2, 2026-6pm CST Feb 8, 2026



