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

6 Miles ENE Janesville IL

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

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 84. Breezy, with a south southeast wind 5 to 10 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms, mainly before 11pm. Some of the storms could produce heavy rainfall. Low around 67. Breezy, with a west southwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 67 °F

    Heavy Rain
    and Breezy
    then Chance
    T-storms

  • Thursday

    Thursday: Increasing clouds, with a high near 76. West wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 76 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 77. Light northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 84. Breezy, with a south southeast wind 5 to 10 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 45 mph.
Wednesday Night
Showers and thunderstorms, mainly before 11pm. Some of the storms could produce heavy rainfall. Low around 67. Breezy, with a west southwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday
Increasing clouds, with a high near 76. West wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 57. Northwest wind 5 to 7 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 77. Light northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Friday Night
Mostly clear, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 63.
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 64.
Monday
A chance of showers. Mostly cloudy, with a high near 78.
Monday Night
Mostly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Janesville IL
 39.39°N 88.14°W (Elev. 650 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

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation