Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
32°F
0°C
| Humidity | 61% |
| Wind Speed | W 12 mph |
| Barometer | 30.22 in (1024.0 mb) |
| Dewpoint | 20°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 23°F (-5°C) |
| Last update | 26 Nov 9:53 pm CST |
Extended Forecast for
Sullivan IL
Tonight

Low: 24 °F
Partly Cloudy
Thanksgiving Day

High: 37 °F
Sunny
Thursday Night

Low: 17 °F
Mostly Clear
Friday

High: 33 °F
Sunny
Friday Night
Low: 22 °F
Mostly Cloudy
then Chance
SnowSaturday
High: 35 °F
Snow Likely
then
Rain/SnowSaturday Night
Low: 24 °F
Rain then
Chance RainSunday

High: 30 °F
Mostly Cloudy
Sunday Night

Low: 12 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 24. West northwest wind around 15 mph, with gusts as high as 25 mph.
Thanksgiving Day
Sunny, with a high near 37. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 17. West northwest wind 6 to 8 mph.
Friday
Sunny, with a high near 33. West northwest wind around 6 mph becoming calm in the afternoon.
Friday Night
A 30 percent chance of snow after midnight. Increasing clouds, with a low around 22. Calm wind becoming southeast 5 to 9 mph after midnight. Winds could gust as high as 15 mph.
Saturday
Snow likely before noon, then rain and snow. High near 35. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain, mainly before midnight. Low around 24. South southeast wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Mostly cloudy, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 12.
Monday
Mostly cloudy, with a high near 23.
Monday Night
A chance of snow. Mostly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
Partly cloudy, with a low around 11.
Wednesday
Partly sunny, with a high near 32.
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 Nov 26, 2025
10pm CST Nov 26, 2025-6pm CST Dec 3, 2025



