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

66°F

19°C

Humidity 84%
Wind Speed S 3 mph
Barometer 30.16 in (1020.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 4 Oct 2:53 am CDT
Extended Forecast for

Casey ILSimilar City Names

  • Overnight

    Overnight: Mostly clear, with a low around 62. South southwest wind 3 to 5 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Light south southwest wind becoming south 5 to 10 mph in the morning.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58. South southeast wind around 7 mph.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 6 to 15 mph, with gusts as high as 22 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. South southeast wind 6 to 9 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers. Mostly sunny, with a high near 85. South wind 6 to 10 mph.

    High: 85 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. South wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 62. South southwest wind 3 to 5 mph.
Saturday
Sunny, with a high near 86. Light south southwest wind becoming south 5 to 10 mph in the morning.
Saturday Night
Clear, with a low around 58. South southeast wind around 7 mph.
Sunday
Sunny, with a high near 86. South wind 6 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 62. South southeast wind 6 to 9 mph.
Monday
A 40 percent chance of showers. Mostly sunny, with a high near 85. South wind 6 to 10 mph.
Monday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. South wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Casey ILSimilar City Names
 39.3°N 88°W (Elev. 643 ft)
Last Update:
3:36 am CDT Oct 4, 2025
Forecast Valid:
3am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation