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

69°F

21°C

Humidity 53%
Wind Speed NW 9 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 15 Jun 9:53 am CDT
Extended Forecast for

3 Miles SSE Mattoon IL

  • Today

    Today: Sunny, with a high near 73. West northwest wind 5 to 7 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Light and variable wind becoming south 5 to 7 mph after midnight.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 76. South southwest wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 56. West wind 5 to 10 mph becoming light west southwest in the evening. Winds could gust as high as 20 mph.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Breezy, with a south wind 5 to 10 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 67. Breezy, with a west southwest wind 16 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 67 °F

    Heavy Rain
    and Breezy
    then Heavy
    Rain

  • Thursday

    Thursday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 75. West northwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 75 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 73. West northwest wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 55. Light and variable wind becoming south 5 to 7 mph after midnight.
Tuesday
Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 76. South southwest wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 56. West wind 5 to 10 mph becoming light west southwest in the evening. Winds could gust as high as 20 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. Breezy, with a south wind 5 to 10 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 67. Breezy, with a west southwest wind 16 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 75. West northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 57.
Juneteenth
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 57.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A chance of showers. Partly cloudy, with a low around 62.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Mattoon IL
 39.44°N 88.36°W (Elev. 768 ft)
Last Update:
10:36 am CDT Jun 15, 2026
Forecast Valid:
10am CDT Jun 15, 2026-6pm CDT Jun 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