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

73°F

23°C

Humidity 84%
Wind Speed S 5 mph
Barometer 29.90 in (1012.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 16 Jun 7:53 pm CDT
Extended Forecast for

4 Miles ENE Sullivan IL

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. South wind 3 to 5 mph.

    Low: 68 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 86 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. South wind around 7 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly after 1pm. High near 84. South southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. West northwest wind 6 to 8 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Light southwest wind.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. South wind 3 to 5 mph.
Tuesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 86. Calm wind becoming southwest 5 to 8 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. South wind around 7 mph.
Wednesday
Showers and thunderstorms, mainly after 1pm. High near 84. South southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Juneteenth
Sunny, with a high near 83. West northwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 65. Light southwest wind.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Sullivan IL
 39.61°N 88.52°W (Elev. 650 ft)
Last Update:
8:41 pm CDT Jun 16, 2025
Forecast Valid:
8pm CDT Jun 16, 2025-6pm CDT Jun 23, 2025
 
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