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

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

A Few Clouds

77°F

25°C

Humidity 54%
Wind Speed SW 20 G 44 mph
Barometer 29.94 in (1013.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 30 Mar 2:53 pm CDT
Extended Forecast for

4 Miles WSW Casey IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. Breezy, with a south southwest wind around 21 mph, with gusts as high as 32 mph.

    High: 78 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 63. South southwest wind 16 to 18 mph, with gusts as high as 30 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 16 to 24 mph, with gusts as high as 37 mph.

    High: 80 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 57. South southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 69. North northeast wind 11 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 61. Southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 61 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Breezy, with a south wind 15 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Breezy.
    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Low around 61. Breezy. Chance of precipitation is 90%.

    Low: 61 °F

    Rain and
    Breezy

  • Friday

    Friday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Rain Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. Breezy, with a south southwest wind around 21 mph, with gusts as high as 32 mph.
Tonight
Partly cloudy, with a low around 63. South southwest wind 16 to 18 mph, with gusts as high as 30 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 16 to 24 mph, with gusts as high as 37 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 57. South southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm. High near 69. North northeast wind 11 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 61. Southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Breezy, with a south wind 15 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain and possibly a thunderstorm. Low around 61. Breezy. Chance of precipitation is 90%.
Friday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Breezy.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 41.
Sunday
A chance of rain. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Casey IL
 39.28°N 88.06°W (Elev. 600 ft)
Last Update:
1:26 pm CDT Mar 30, 2026
Forecast Valid:
3pm CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
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