Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast
24°F
-4°C
| Humidity | 88% |
| Wind Speed | S 14 mph |
| Barometer | 29.70 in (1006.7 mb) |
| Dewpoint | 21°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 12°F (-11°C) |
| Last update | 16 Jan 2:53 am CST |
Extended Forecast for
Sullivan IL
Overnight
Low: 22 °F
Cloudy
Friday
High: 40 °F
Slight Chance
Snow Showers
then Mostly
CloudyFriday Night
Low: 18 °F
Slight Chance
Snow Showers
then Mostly
CloudySaturday
High: 23 °F
Chance
FlurriesSaturday Night
Low: 9 °F
Chance
FlurriesSunday
High: 24 °F
Increasing
CloudsSunday Night
Low: 7 °F
Partly Cloudy
M.L.King Day
High: 16 °F
Sunny and
BlusteryMonday Night
Low: 6 °F
Mostly Clear
Detailed Forecast
Overnight
Cloudy, with a low around 22. South wind around 14 mph, with gusts as high as 24 mph.
Friday
A slight chance of snow showers between 8am and 10am. Mostly cloudy, with a high near 40. South wind 11 to 16 mph becoming west in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of snow showers between 7pm and 10pm. Mostly cloudy, with a low around 18. West northwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday
A chance of flurries. Partly sunny, with a high near 23. West wind 11 to 16 mph, with gusts as high as 25 mph.
Saturday Night
A chance of flurries before midnight. Partly cloudy, with a low around 9. West wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday
Increasing clouds, with a high near 24. Southwest wind 9 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 7. Southwest wind 10 to 18 mph becoming west northwest after midnight. Winds could gust as high as 28 mph.
M.L.King Day
Sunny, with a high near 16. Blustery.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 34.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sullivan IL
39.59°N 88.61°W (Elev. 669 ft)
39.59°N 88.61°W (Elev. 669 ft)
3:16 am CST Jan 16, 2026
3am CST Jan 16, 2026-6pm CST Jan 22, 2026
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