Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

74°F

23°C

Humidity 74%
Wind Speed NW 3 mph
Barometer 29.64 in (1003.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 1 Aug 3:53 pm CDT
Extended Forecast for

5 Miles NE Janesville IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 76. West southwest wind around 6 mph.

    High: 76 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a chance of showers.  Mostly cloudy, with a low around 65. Calm wind becoming north 5 to 7 mph after midnight.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 77. North wind 11 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63. North wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 80. North northeast wind around 8 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light north northeast wind.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. West southwest wind around 6 mph.
Tonight
Showers and thunderstorms likely before 1am, then a chance of showers. Mostly cloudy, with a low around 65. Calm wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. North wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 63. North wind 7 to 11 mph, with gusts as high as 22 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 80. North northeast wind around 8 mph.
Monday Night
Mostly clear, with a low around 63. North northeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 83.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 66.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Janesville IL
 39.42°N 88.19°W (Elev. 653 ft)
1:26 pm CDT Aug 1, 2026
4pm CDT Aug 1, 2026-6pm CDT Aug 8, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database