National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

42°F

6°C

Humidity 73%
Wind Speed SW 6 mph
Barometer 30.09 in (1019.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 1 Nov 8:53 am CDT
Extended Forecast for

5 Miles ENE Janesville IL

  • Today

    Today: Increasing clouds, with a high near 53. West wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 53 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West northwest wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 55. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 34. South southwest wind 3 to 6 mph.

    Low: 34 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62. Southwest wind 7 to 11 mph, with gusts as high as 17 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. West wind around 6 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. Light south southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 17 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 53. West wind 6 to 9 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 55. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 34. South southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 62. Southwest wind 7 to 11 mph, with gusts as high as 17 mph.
Monday Night
Mostly clear, with a low around 35. West wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 64. Light south southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 17 mph.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Clear, with a low around 38.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 47.
Friday
A chance of showers. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Janesville IL
 39.39°N 88.17°W (Elev. 551 ft)
Last Update:
5:21 am CDT Nov 1, 2025
Forecast Valid:
9am CDT Nov 1, 2025-6pm CST Nov 7, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation