Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

68°F

20°C

Humidity 70%
Wind Speed SW 7 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 20 Jun 5:53 am CDT
Extended Forecast for

5 Miles WNW Casey 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. Light and variable wind becoming west northwest 5 to 7 mph in the morning.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. Light and variable wind.

    Low: 63 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall.  High near 79. Southeast wind 6 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 79 °F

    Chance
    Showers then
    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then showers likely.  Low around 64. South southwest wind 10 to 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 64 °F

    T-storms then
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 75. North wind around 11 mph, with gusts as high as 20 mph.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. North wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. North northeast wind around 5 mph becoming calm  in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °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. Light and variable wind becoming west northwest 5 to 7 mph in the morning.
Tonight
Increasing clouds, with a low around 63. Light and variable wind.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 79. Southeast wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 64. South southwest wind 10 to 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday
Mostly cloudy, with a high near 75. North wind around 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 57. North wind 5 to 9 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 78. North northeast wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
A chance of showers. Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Casey IL
 39.32°N 88.08°W (Elev. 610 ft)
6:36 am CDT Jun 20, 2026
6am CDT Jun 20, 2026-6pm CDT Jun 26, 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