Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

77°F

25°C

Humidity 62%
Wind Speed NW 7 mph
Barometer 30.00 in (1015.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Jun 10:53 am CDT
Extended Forecast for

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. West northwest wind around 7 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms, mainly after noon. Some of the storms could produce heavy rainfall.  High near 79. South southeast wind 6 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 79 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could produce heavy rainfall.  Low around 64. South southwest wind 11 to 17 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

    Heavy Rain

  • Monday

    Monday: Mostly cloudy, with a high near 75. North wind 11 to 13 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 6 to 10 mph, with gusts as high as 16 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. North northeast wind 3 to 6 mph.

    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. West northwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms, mainly after noon. Some of the storms could produce heavy rainfall. High near 79. South southeast wind 6 to 16 mph, with gusts as high as 25 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. Some of the storms could produce heavy rainfall. Low around 64. South southwest wind 11 to 17 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 11 to 13 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 57. North wind 6 to 10 mph, with gusts as high as 16 mph.
Tuesday
Sunny, with a high near 78. North northeast wind 3 to 6 mph.
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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Casey IL
 39.3°N 87.97°W (Elev. 627 ft)
8:36 am CDT Jun 20, 2026
10am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database