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.

Mostly Cloudy

55°F

13°C

Humidity 57%
Wind Speed SE 7 mph
Barometer 29.99 in (1015.3 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 15 May 2:53 am CDT
Extended Forecast for

3 Miles NW Casey IL

  • Overnight

    Overnight: Partly cloudy, with a low around 50. South southeast wind around 7 mph, with gusts as high as 17 mph.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Showers and possibly a thunderstorm before 10am, then a chance of showers between 10am and 11am. High near 73. South wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 62. South southeast wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 9am, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. Southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 64. South southeast wind 5 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 10 to 18 mph, with gusts as high as 28 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. South wind around 13 mph, with gusts as high as 24 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 86. Breezy. Chance of precipitation is 60%.

    High: 86 °F

    Breezy.
    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 50. South southeast wind around 7 mph, with gusts as high as 17 mph.
Friday
Showers and possibly a thunderstorm before 10am, then a chance of showers between 10am and 11am. High near 73. South wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 62. South southeast wind 9 to 11 mph, with gusts as high as 23 mph.
Saturday
Showers and thunderstorms likely, mainly before 9am, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. Southwest wind 9 to 15 mph, with gusts as high as 24 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 chance of showers and thunderstorms. Partly cloudy, with a low around 64. South southeast wind 5 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 86. South wind 10 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 68. South wind around 13 mph, with gusts as high as 24 mph.
Monday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 86. Breezy. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 84. Breezy. Chance of precipitation is 80%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 62.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Casey IL
 39.32°N 88.03°W (Elev. 600 ft)
Last Update:
1:26 am CDT May 15, 2026
Forecast Valid:
3am CDT May 15, 2026-6pm CDT May 21, 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