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

63°F

17°C

Humidity 78%
Wind Speed S 13 mph
Barometer 29.93 in (1013.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 7:53 am CDT
Extended Forecast for

Mattoon IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 78. Breezy, with a south southwest wind 17 to 23 mph, with gusts as high as 34 mph.

    High: 78 °F

    Breezy.
    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 55. South southwest wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    T-storms
    Likely then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then rain and possibly a thunderstorm after 1pm. High near 67. East wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 59. Southeast wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 59 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain, then rain and possibly a thunderstorm after 1pm. High near 76. Breezy, with a south wind 16 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Breezy.
    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 4am, then rain likely. Low around 59. Breezy, with a south wind 13 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Rain and
    Breezy

  • Friday

    Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 75. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 75 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Chance
    T-storms then
    Rain Likely

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Breezy. Chance of precipitation is 70%.

    High: 70 °F

    Rain Likely
    and Breezy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 78. Breezy, with a south southwest wind 17 to 23 mph, with gusts as high as 34 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 55. South southwest wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 1pm, then rain and possibly a thunderstorm after 1pm. High near 67. East wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 59. Southeast wind 10 to 14 mph, with gusts as high as 24 mph.
Thursday
A chance of rain, then rain and possibly a thunderstorm after 1pm. High near 76. Breezy, with a south wind 16 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Rain and possibly a thunderstorm before 4am, then rain likely. Low around 59. Breezy, with a south wind 13 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 75. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Friday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Breezy. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.49°N 88.39°W (Elev. 732 ft)
Last Update:
7:36 am CDT Mar 31, 2026
Forecast Valid:
8am CDT Mar 31, 2026-6pm CDT Apr 6, 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