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.

Fair

42°F

6°C

Humidity 60%
Wind Speed SE 7 mph
Barometer 30.37 in (1028.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 28 Mar 9:53 pm CDT
Extended Forecast for

3 Miles ESE Arthur IL

  • Tonight

    Tonight: Partly cloudy, with a low around 38. South wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. South southwest wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52. South southwest wind around 14 mph, with gusts as high as 22 mph.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 31 mph.

    High: 77 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. Breezy, with a south southwest wind 17 to 20 mph, with gusts as high as 31 mph.

    Low: 61 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Showers and thunderstorms likely after 1pm. Partly sunny, with a high near 79. Breezy, with a southwest wind 21 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Breezy.
    Partly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 41. West southwest wind 15 to 18 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 41 °F

    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. South wind 8 to 10 mph, with gusts as high as 17 mph.
Sunday
Mostly sunny, with a high near 64. South southwest wind 10 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 52. South southwest wind around 14 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 77. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 31 mph.
Monday Night
Partly cloudy, with a low around 61. Breezy, with a south southwest wind 17 to 20 mph, with gusts as high as 31 mph.
Tuesday
Showers and thunderstorms likely after 1pm. Partly sunny, with a high near 79. Breezy, with a southwest wind 21 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 41. West southwest wind 15 to 18 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 51.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 40.
Friday
A chance of showers. Mostly cloudy, with a high near 67.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51.
Saturday
Showers likely. Mostly cloudy, with a high near 67. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Arthur IL
 39.71°N 88.4°W (Elev. 653 ft)
Last Update:
2:57 pm CDT Mar 28, 2026
Forecast Valid:
9pm CDT Mar 28, 2026-6pm CDT Apr 4, 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