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

83°F

28°C

Humidity 85%
Wind Speed S 7 mph
Barometer 30.00 in (1014.9 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 30 Jun 8:53 pm CDT
Extended Forecast for

Arcola IL

Extreme Heat Warning June 30, 09:25pm until July 3, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 30, 09:25pm until July 3, 12:00am

    NOW until 12:00am Fri

    Extreme Heat Warning

  • Tonight

    Low: 74 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 105. South southwest wind 7 to 10 mph, with gusts as high as 16 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 75. South southwest wind 7 to 9 mph, with gusts as high as 17 mph.

    Low: 75 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Heat index values as high as 105. Southwest wind 6 to 8 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. South southwest wind around 6 mph.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. South southwest wind 5 to 7 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms

  • Independence Day

    Independence Day: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 74. South southwest wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 94. Heat index values as high as 105. South southwest wind 7 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Clear, with a low around 75. South southwest wind 7 to 9 mph, with gusts as high as 17 mph.
Thursday
Sunny, with a high near 94. Heat index values as high as 105. Southwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 74. South southwest wind around 6 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. South southwest wind 5 to 7 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southwest wind 3 to 5 mph. Chance of precipitation is 40%.
Independence Day
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arcola IL
 39.69°N 88.32°W (Elev. 673 ft)
Last Update:
3:06 pm CDT Jun 30, 2026
Forecast Valid:
9pm CDT Jun 30, 2026-6pm CDT Jul 7, 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