Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Light Snow Fog/Mist
7°F
-14°C
| Humidity | 84% |
| Wind Speed | N 18 G 33 mph |
| Barometer | 30.04 in (1018.8 mb) |
| Dewpoint | 3°F (-16°C) |
| Visibility | 0.75 mi |
| Wind Chill | -12°F (-24°C) |
| Last update | 25 Jan 7:53 am CST |
Extended Forecast for
Sullivan IL
Extreme Cold Warning January 26, 12:00am until January 26, 12:00pm
Winter Storm Warning January 25, 08:53am until January 25, 06:00pm
NOW until 6:00pm Sun

Winter Storm Warning
Today

High: 14 °F
Snow and
Patchy
Blowing SnowTonight

Low: -7 °F
Gradual
ClearingMonday

High: 8 °F
Cold
Monday Night

Low: -3 °F
Mostly Clear
Tuesday

High: 22 °F
Mostly Sunny
Tuesday Night

Low: -7 °F
Partly Cloudy
Wednesday

High: 15 °F
Partly Sunny
Wednesday Night

Low: -6 °F
Partly Cloudy
Detailed Forecast
Today
Snow, mainly before 3pm. Patchy blowing snow. High near 14. Wind chill values between -3 and -10. North northwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around -7. Wind chill values between -13 and -23. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Monday
Sunny and cold, with a high near 8. Wind chill values between -14 and -24. Northwest wind 8 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around -3. Wind chill values between -8 and -17. South southwest wind 7 to 14 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 22. West southwest wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around -7. Northwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 15. West wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around -6.
Thursday
Mostly sunny, with a high near 12.
Thursday Night
Mostly cloudy, with a low around 0.
Friday
Partly sunny, with a high near 15.
Friday Night
Partly cloudy, with a low around -1.
Saturday
Mostly sunny, with a high near 16.
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)
8:36 am CST Jan 25, 2026
8am CST Jan 25, 2026-6pm CST Jan 31, 2026



