Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast
36°F
2°C
| Humidity | 70% |
| Wind Speed | SW 13 G 28 mph |
| Barometer | 29.78 in (1008.8 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 16 Jan 9:53 pm CST |
Extended Forecast for
Sullivan IL
Tonight
Low: 19 °F
Chance Snow
Showers then
Slight Chance
Snow ShowersSaturday

High: 24 °F
Chance
FlurriesSaturday Night

Low: 10 °F
Chance
FlurriesSunday

High: 26 °F
Increasing
CloudsSunday Night

Low: 7 °F
Partly Cloudy
M.L.King Day

High: 16 °F
Sunny
Monday Night

Low: 6 °F
Mostly Clear
Tuesday

High: 27 °F
Mostly Sunny
Tuesday Night

Low: 21 °F
Mostly Cloudy
Detailed Forecast
Tonight
A 50 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 19. West wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday
A chance of flurries after noon. Mostly cloudy, with a high near 24. Wind chill values between 5 and 11. West wind 14 to 18 mph, with gusts as high as 25 mph.
Saturday Night
A chance of flurries before midnight. Partly cloudy, with a low around 10. Wind chill values between -2 and 7. West wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday
Increasing clouds, with a high near 26. Wind chill values between -2 and 8. South southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 7. Southwest wind 10 to 18 mph becoming northwest after midnight. Winds could gust as high as 28 mph.
M.L.King Day
Sunny, with a high near 16. West northwest wind 10 to 18 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 6. West southwest wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 31.
Thursday Night
A chance of snow and freezing rain. Partly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 33.
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)
9:36 pm CST Jan 16, 2026
9pm CST Jan 16, 2026-6pm CST Jan 23, 2026



