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

74°F

23°C

Humidity 94%
Wind Speed S 6 mph
Barometer 29.82 in (1009.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 18 Jun 2:53 am CDT
Extended Forecast for

Casey IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 71. South southwest wind around 7 mph.

    Low: 71 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 84. Breezy, with a south southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms then
    T-storms
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 67. West southwest wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 82. West northwest wind 8 to 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Light and variable wind.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Light south southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. South wind 7 to 9 mph, with gusts as high as 17 mph.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 71. South southwest wind around 7 mph.
Wednesday
Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 84. Breezy, with a south southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 67. West southwest wind 8 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Juneteenth
Mostly sunny, with a high near 82. West northwest wind 8 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 65. Light and variable wind.
Friday
Sunny, with a high near 86. Light south southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 71. South wind 7 to 9 mph, with gusts as high as 17 mph.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casey IL
 39.3°N 87.97°W (Elev. 627 ft)
Last Update:
3:42 am CDT Jun 18, 2025
Forecast Valid:
3am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

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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