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.

Mostly Cloudy

61°F

16°C

Humidity 84%
Wind Speed S 8 mph
Barometer 29.79 in (1008.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 Nov 3:53 am CST
Extended Forecast for

6 Miles ENE Janesville IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. South southwest wind around 11 mph, with gusts as high as 21 mph.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 75. South southwest wind 11 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. North northwest wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54. North northwest wind 7 to 10 mph, with gusts as high as 16 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 54. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Rain. Low around 41. East southeast wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. South southwest wind around 11 mph, with gusts as high as 21 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 75. South southwest wind 11 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Mostly clear, with a low around 38. North northwest wind 9 to 13 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 54. North northwest wind 7 to 10 mph, with gusts as high as 16 mph.
Sunday Night
Mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 54. Calm wind becoming southeast around 6 mph in the afternoon.
Monday Night
Rain. Low around 41. East southeast wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
A 30 percent chance of rain after noon. Partly sunny, with a high near 58.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Thursday
Rain likely. Mostly cloudy, with a high near 59.
Thursday Night
Rain likely. Mostly cloudy, with a low around 48.
Friday
A chance of rain. Mostly cloudy, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Janesville IL
 39.39°N 88.14°W (Elev. 650 ft)
Last Update:
3:36 am CST Nov 15, 2025
Forecast Valid:
3am CST Nov 15, 2025-6pm CST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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