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.

Overcast

50°F

10°C

Humidity 71%
Wind Speed W 20 G 36 mph
Barometer 29.77 in (1008.1 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 8 Nov 10:53 pm CST
Extended Forecast for

5 Miles E Janesville IL

  • Tonight

    Tonight: Showers likely, mainly before 2am. Cloudy, with a low around 36. Breezy, with a north northwest wind 9 to 14 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: A slight chance of rain showers before 10am, then a slight chance of snow showers between 10am and noon. Mostly cloudy, with a high near 38. Breezy, with a north northwest wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    High: 38 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A chance of flurries before midnight, then a slight chance of snow showers after midnight. Partly cloudy, with a low around 23. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 38. Northwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. West northwest wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 21 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 47. Breezy, with a south southwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 47 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely, mainly before 2am. Cloudy, with a low around 36. Breezy, with a north northwest wind 9 to 14 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of rain showers before 10am, then a slight chance of snow showers between 10am and noon. Mostly cloudy, with a high near 38. Breezy, with a north northwest wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Sunday Night
A chance of flurries before midnight, then a slight chance of snow showers after midnight. Partly cloudy, with a low around 23. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 38. Northwest wind 10 to 18 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 21. West northwest wind 6 to 8 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Veterans Day
Partly sunny, with a high near 47. Breezy, with a south southwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 37. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Janesville IL
 39.37°N 88.17°W (Elev. 610 ft)
Last Update:
10:26 pm CST Nov 8, 2025
Forecast Valid:
11pm CST Nov 8, 2025-6pm CST Nov 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation