National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

55°F

13°C

Humidity 62%
Wind Speed SE 7 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 14 May 9:53 pm CDT
Extended Forecast for

4 Miles WSW Casey IL

  • Tonight

    Tonight: Increasing clouds, with a low around 51. South southeast wind 5 to 7 mph, with gusts as high as 16 mph.

    Low: 51 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers and thunderstorms likely before noon, then a slight chance of showers between noon and 4pm. Mostly cloudy, with a high near 74. South southeast wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 64. South southeast wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 64 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 81. Southwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. South wind around 8 mph, with gusts as high as 18 mph.

    Low: 65 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 87. South wind 9 to 18 mph, with gusts as high as 28 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 68. South wind 11 to 13 mph, with gusts as high as 24 mph.

    Low: 68 °F

    Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Breezy.

    High: 88 °F

    Breezy. Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 51. South southeast wind 5 to 7 mph, with gusts as high as 16 mph.
Friday
Showers and thunderstorms likely before noon, then a slight chance of showers between noon and 4pm. Mostly cloudy, with a high near 74. South southeast wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 64. South southeast wind 10 to 13 mph, with gusts as high as 23 mph.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 81. Southwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. South wind around 8 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 87. South wind 9 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Clear, with a low around 68. South wind 11 to 13 mph, with gusts as high as 24 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Breezy.
Monday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 72.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Breezy. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 65.
Wednesday
A chance of showers. Partly sunny, with a high near 78.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 58.
Thursday
Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Casey IL
 39.3°N 88.06°W (Elev. 600 ft)
Last Update:
7:11 pm CDT May 14, 2026
Forecast Valid:
10pm CDT May 14, 2026-6pm CDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation