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Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Partly Cloudy

74°F

23°C

Humidity 69%
Wind Speed NW 8 mph
Barometer 30.02 in (1016.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 20 Jun 8:53 am CDT
Extended Forecast for

4 Miles E Janesville IL

Flood Watch June 21, 07:00am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch

  • Today

    Today: Mostly sunny, with a high near 81. West wind 3 to 6 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 62. Light and variable wind.

    Low: 62 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers and thunderstorms, mainly after noon. Some of the storms could produce heavy rainfall. High near 78. Southeast wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 78 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 63. South southwest wind 7 to 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 63 °F

    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 75. North wind around 10 mph, with gusts as high as 18 mph.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. North wind 5 to 7 mph, with gusts as high as 15 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. North northeast wind around 5 mph becoming calm in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. West wind 3 to 6 mph.
Tonight
Increasing clouds, with a low around 62. Light and variable wind.
Sunday
Showers and thunderstorms, mainly after noon. Some of the storms could produce heavy rainfall. High near 78. Southeast wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 63. South southwest wind 7 to 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday
Mostly cloudy, with a high near 75. North wind around 10 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 56. North wind 5 to 7 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 77. North northeast wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
A chance of showers. Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Janesville IL
 39.37°N 88.17°W (Elev. 610 ft)
Last Update:
8:36 am CDT Jun 20, 2026
Forecast Valid:
9am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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