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.

A Few Clouds

88°F

31°C

Humidity 36%
Wind Speed W 9 mph
Barometer 30.16 in (1020.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 3 Oct 2:53 pm CDT
Extended Forecast for

3 Miles S Janesville IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southwest wind around 8 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 62. Light south wind.

    Low: 62 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. South southeast wind 3 to 6 mph.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85. South wind 5 to 14 mph, with gusts as high as 18 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 60. South southeast wind 5 to 7 mph.

    Low: 60 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 86. South southwest wind 3 to 7 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southwest wind around 8 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 62. Light south wind.
Saturday
Sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Clear, with a low around 57. South southeast wind 3 to 6 mph.
Sunday
Sunny, with a high near 85. South wind 5 to 14 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 60. South southeast wind 5 to 7 mph.
Monday
Sunny, with a high near 86. South southwest wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
A 40 percent chance of showers. Mostly sunny, with a high near 84.
Tuesday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Janesville IL
 39.33°N 88.26°W (Elev. 591 ft)
Last Update:
12:51 pm CDT Oct 3, 2025
Forecast Valid:
3pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation