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.

Fair

87°F

31°C

Humidity 43%
Wind Speed S 7 mph
Barometer 29.94 in (1013.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 24 Jun 4:53 pm CDT
Extended Forecast for

Sullivan IL

  • Tonight

    Tonight: Mostly clear, with a low around 73. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 94. Heat index values as high as 100. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 69. West southwest wind 6 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 83. West wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 17 mph.

    High: 83 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. North northeast wind 6 to 8 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. East northeast wind around 6 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. East northeast wind 6 to 8 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74.

    Low: 74 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 73. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 94. Heat index values as high as 100. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 69. West southwest wind 6 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 83. West wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 61. North northeast wind 6 to 8 mph.
Thursday
Sunny, with a high near 82. East northeast wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 65. East northeast wind 6 to 8 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Friday
Partly sunny, with a high near 87.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 83.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IL
 39.61°N 88.61°W (Elev. 669 ft)
Last Update:
4:42 pm CDT Jun 24, 2024
Forecast Valid:
5pm CDT Jun 24, 2024-6pm CDT Jul 1, 2024
 
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