National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

22°F

-6°C

Humidity 78%
Wind Speed NW 17 mph
Barometer 30.32 in (1027.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 11 Jan 6:53 am CST
Extended Forecast for

5 Miles SSW Sullivan IL

  • Today

    Today: Isolated flurries before 8am. Partly sunny, with a high near 34. Breezy, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 34 °F

    Isolated
    Flurries and
    Breezy then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 44. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. Southwest wind 5 to 8 mph, with gusts as high as 16 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. West wind 7 to 9 mph, with gusts as high as 17 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow after noon. Mostly cloudy, with a high near 39. Northwest wind 9 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated flurries before 8am. Partly sunny, with a high near 34. Breezy, with a northwest wind 15 to 20 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 34 mph.
Tonight
Mostly clear, with a low around 25. Southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 44. West southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 32. Southwest wind 5 to 8 mph, with gusts as high as 16 mph.
Tuesday
Partly sunny, with a high near 52. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 34. West wind 7 to 9 mph, with gusts as high as 17 mph.
Wednesday
A chance of rain and snow after noon. Mostly cloudy, with a high near 39. Northwest wind 9 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Mostly sunny, with a high near 31.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Mostly cloudy, with a high near 36.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Mostly cloudy, with a high near 27.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sullivan IL
 39.54°N 88.64°W (Elev. 600 ft)
Last Update:
6:41 am CST Jan 11, 2026
Forecast Valid:
7am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation