Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Light Snow
9°F
-13°C
| Humidity | 61% |
| Wind Speed | NE 17 mph |
| Barometer | 30.49 in (1034.4 mb) |
| Dewpoint | -2°F (-19°C) |
| Visibility | 5.00 mi |
| Wind Chill | -9°F (-23°C) |
| Last update | 24 Jan 12:53 pm CST |
Extended Forecast for
Sullivan IL
Cold Weather Advisory January 26, 12:00am until January 26, 12:00pm
Winter Storm Warning until January 25, 09:00pm
NOW until 9:00pm Sun

Winter Storm Warning
This Afternoon

High: 11 °F
Snow Likely
Tonight

Low: 8 °F
Snow
Sunday

High: 15 °F
Snow
Sunday Night

Low: -2 °F
Mostly Cloudy
Monday

High: 10 °F
Cold
Monday Night

Low: -1 °F
Mostly Clear
Tuesday

High: 25 °F
Mostly Sunny
Tuesday Night

Low: 0 °F
Partly Cloudy
Detailed Forecast
This Afternoon
Snow likely, mainly after 3pm. Cloudy, with a high near 11. Wind chill values between -5 and zero. East northeast wind around 11 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow. Low around 8. Wind chill values between -5 and zero. Northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow, mainly before 5pm. High near 15. Wind chill values between -8 and zero. North wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
Mostly cloudy, with a low around -2. Wind chill values between -8 and -18. Northwest wind 11 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny and cold, with a high near 10. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around -1. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 25. Southwest wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 0.
Wednesday
Partly sunny, with a high near 16.
Wednesday Night
Mostly cloudy, with a low around 0.
Thursday
Mostly sunny, with a high near 15.
Thursday Night
Partly cloudy, with a low around -1.
Friday
Mostly sunny, with a high near 17.
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)
1:42 pm CST Jan 24, 2026
1pm CST Jan 24, 2026-6pm CST Jan 30, 2026



