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

71°F

22°C

Humidity 96%
Wind Speed SW 5 mph
Barometer 29.89 in (1011.6 mb)
Dewpoint 70°F (21°C)
Visibility 7.00 mi
Last update 17 Jun 7:53 am CDT
Extended Forecast for

3 Miles ESE Arthur IL

Dense Fog Advisory until June 17, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until June 17, 09:00am

    NOW until 9:00am Tue

    Dense Fog Advisory

  • Today

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 71. South wind 6 to 8 mph.

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. High near 85. South wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 85 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 65. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

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

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Calm wind becoming southwest around 5 mph after midnight.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87. South southwest wind 6 to 10 mph, with gusts as high as 17 mph.

    High: 87 °F

    Mostly Sunny

  • Friday Night

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

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 86. South southwest wind 5 to 7 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 71. South wind 6 to 8 mph.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. High near 85. South wind 11 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 65. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Juneteenth
Sunny, with a high near 83. West northwest wind around 8 mph.
Thursday Night
Mostly clear, with a low around 64. Calm wind becoming southwest around 5 mph after midnight.
Friday
Mostly sunny, with a high near 87. South southwest wind 6 to 10 mph, with gusts as high as 17 mph.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 74.
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:
3 Miles ESE Arthur IL
 39.71°N 88.4°W (Elev. 653 ft)
Last Update:
6:55 am CDT Jun 17, 2025
Forecast Valid:
8am CDT Jun 17, 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