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

61°F

16°C

Humidity 75%
Wind Speed Calm
Barometer 29.75 in (1006.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 16 Jun 10:53 pm CDT
Extended Forecast for

4 Miles SE Sullivan IL

Wind Advisory June 17, 01:00pm until June 17, 07:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers between 8am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 84. Breezy, with a south southwest wind 6 to 11 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms, mainly before midnight. Some of the storms could produce heavy rainfall. Low around 65. Breezy, with a west southwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Heavy Rain
    and Breezy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Increasing clouds, with a high near 75. West northwest wind around 11 mph, with gusts as high as 20 mph.

    High: 75 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. West northwest wind 3 to 7 mph.

    Low: 56 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 77. Northwest wind 5 to 9 mph, with gusts as high as 15 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Light and variable wind.
Wednesday
A slight chance of showers between 8am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 84. Breezy, with a south southwest wind 6 to 11 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 40%.
Wednesday Night
Showers and thunderstorms, mainly before midnight. Some of the storms could produce heavy rainfall. Low around 65. Breezy, with a west southwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Increasing clouds, with a high near 75. West northwest wind around 11 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 56. West northwest wind 3 to 7 mph.
Juneteenth
Sunny, with a high near 77. Northwest wind 5 to 9 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 62.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63.
Monday
A chance of showers. Mostly cloudy, with a high near 78.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Sullivan IL
 39.54°N 88.56°W (Elev. 679 ft)
Last Update:
9:31 pm CDT Jun 16, 2026
Forecast Valid:
11pm CDT Jun 16, 2026-6pm CDT Jun 23, 2026
 
Forecast Discussion
 
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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