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Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

89°F

32°C

Humidity 45%
Wind Speed SW 9 mph
Barometer 29.89 in (1011.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 13 Oct 4:53 pm CDT
Extended Forecast for

Mattoon IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 70. South southwest wind 5 to 8 mph.

    Low: 70 °F

    Clear then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 79. Light and variable wind becoming north northwest around 5 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 3am. Mostly cloudy, with a low around 63. Northeast wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm. Some of the storms could produce heavy rainfall. High near 80. East wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 48. Breezy, with a west southwest wind 8 to 13 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 60. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 33 mph.

    High: 60 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. North northwest wind 6 to 15 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Areas of frost before 7am. Otherwise, sunny, with a high near 61.

    High: 61 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 70. South southwest wind 5 to 8 mph.
Wednesday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 79. Light and variable wind becoming north northwest around 5 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 3am. Mostly cloudy, with a low around 63. Northeast wind 5 to 7 mph. Chance of precipitation is 30%.
Thursday
Showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm. Some of the storms could produce heavy rainfall. High near 80. East wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 48. Breezy, with a west southwest wind 8 to 13 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 60. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 33 mph.
Friday Night
Mostly clear, with a low around 36. North northwest wind 6 to 15 mph, with gusts as high as 21 mph.
Saturday
Areas of frost before 7am. Otherwise, sunny, with a high near 61.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.47°N 88.36°W (Elev. 728 ft)
Last Update:
4:36 pm CDT Oct 13, 2026
Forecast Valid:
5pm CDT Oct 13, 2026-6pm CDT Oct 20, 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