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

70°F

21°C

Humidity 82%
Wind Speed S 16 G 24 mph
Barometer 29.69 in (1004.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 11 Mar 2:53 am CDT
Extended Forecast for

Mattoon IL

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a steady temperature around 68. South southwest wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 3pm, then a chance of showers. Temperature falling to around 43 by 4pm. Breezy, with a southwest wind 17 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F⇓

    T-storms then
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 29. Blustery, with a north northwest wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.

    Low: 29 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 49. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 49 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Breezy, with a south wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 38 mph.

    Low: 41 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 56. Breezy, with a southwest wind 17 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 36 mph.

    High: 56 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. West northwest wind 6 to 9 mph becoming northeast after midnight. Winds could gust as high as 16 mph.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a steady temperature around 68. South southwest wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm before 3pm, then a chance of showers. Temperature falling to around 43 by 4pm. Breezy, with a southwest wind 17 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 29. Blustery, with a north northwest wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.
Thursday
Increasing clouds, with a high near 49. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 41. Breezy, with a south wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 38 mph.
Friday
Partly sunny, with a high near 56. Breezy, with a southwest wind 17 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 36 mph.
Friday Night
Mostly cloudy, with a low around 33. West northwest wind 6 to 9 mph becoming northeast after midnight. Winds could gust as high as 16 mph.
Saturday
Mostly cloudy, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
Showers, mainly after 1pm. High near 61. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 22. Blustery.
Monday
Mostly sunny, with a high near 31. Blustery.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.49°N 88.36°W (Elev. 722 ft)
Last Update:
2:05 am CDT Mar 11, 2026
Forecast Valid:
3am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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