Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
31°F
-1°C
| Humidity | 61% |
| Wind Speed | W 9 mph |
| Barometer | 30.30 in (1026.9 mb) |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 23°F (-5°C) |
| Last update | 27 Nov 4:53 pm CST |
Extended Forecast for
Sullivan IL
Winter Storm Watch November 29, 12:00am until November 30, 06:00am
Tonight

Low: 20 °F
Clear
Friday

High: 34 °F
Sunny
Friday Night
Low: 23 °F
Mostly Cloudy
then Snow
LikelySaturday

High: 33 °F
Heavy Snow
Saturday Night
Low: 25 °F
Snow then
Chance SnowSunday

High: 28 °F
Mostly Cloudy
Sunday Night

Low: 10 °F
Mostly Cloudy
Monday

High: 23 °F
Mostly Cloudy
Monday Night

Low: 15 °F
Chance Snow
Detailed Forecast
Tonight
Clear, with a low around 20. West northwest wind 7 to 9 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 34. Northwest wind 5 to 8 mph becoming calm in the afternoon.
Friday Night
Snow likely, mainly after 3am. Increasing clouds, with a low around 23. Calm wind becoming southeast 5 to 8 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Snow. The snow could be heavy at times. High near 33. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 25. South southeast wind 11 to 14 mph becoming west northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Sunday
Mostly cloudy, with a high near 28. West northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 10. Northwest wind 3 to 7 mph.
Monday
Mostly cloudy, with a high near 23.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 11.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Mostly cloudy, with a high near 30.
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)
3:16 pm CST Nov 27, 2025
5pm CST Nov 27, 2025-6pm CST Dec 4, 2025



