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

58°F

14°C

Humidity 46%
Wind Speed S 9 mph
Barometer 30.05 in (1017.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 30 Mar 2:53 am CDT
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 54. South southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 76. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 32 mph.

    High: 76 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. South southwest wind 16 to 18 mph, with gusts as high as 30 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 17 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.

    High: 80 °F

    Breezy.
    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms before 1am, then rain likely and possibly a thunderstorm between 1am and 4am, then rain likely after 4am. Mostly cloudy, with a low around 52. South southwest wind 11 to 16 mph becoming north northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Chance
    T-storms then
    Rain Likely

  • Wednesday

    Wednesday: Rain likely, then rain and possibly a thunderstorm after 1pm. High near 65. East wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm. Low around 58. East wind 11 to 15 mph becoming south after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Rain

  • Thursday

    Thursday: Rain and possibly a thunderstorm. High near 74. Breezy. Chance of precipitation is 80%.

    High: 74 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 1am, then rain likely. Low around 58. Breezy. Chance of precipitation is 90%.

    Low: 58 °F

    Rain and
    Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 54. South southwest wind around 14 mph, with gusts as high as 24 mph.
Monday
Partly sunny, with a high near 76. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 32 mph.
Monday Night
Partly cloudy, with a low around 62. South southwest wind 16 to 18 mph, with gusts as high as 30 mph.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 17 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and thunderstorms before 1am, then rain likely and possibly a thunderstorm between 1am and 4am, then rain likely after 4am. Mostly cloudy, with a low around 52. South southwest wind 11 to 16 mph becoming north northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely, then rain and possibly a thunderstorm after 1pm. High near 65. East wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain and possibly a thunderstorm. Low around 58. East wind 11 to 15 mph becoming south after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain and possibly a thunderstorm. High near 74. Breezy. Chance of precipitation is 80%.
Thursday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 58. Breezy. Chance of precipitation is 90%.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 73.
Friday Night
Rain likely. Mostly cloudy, with a low around 57.
Saturday
Rain likely. Mostly cloudy, with a high near 67. Breezy.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.46°N 88.28°W (Elev. 679 ft)
Last Update:
1:26 am CDT Mar 30, 2026
Forecast Valid:
3am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation