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.

Fog/Mist

38°F

3°C

Humidity 97%
Wind Speed E 9 mph
Barometer 30.20 in (1023.3 mb)
Dewpoint 37°F (3°C)
Visibility 5.00 mi
Wind Chill32°F (0°C)
Last update 2 Mar 7:53 pm CST
Extended Forecast for

Mattoon IL

  • Tonight

    Tonight: Showers likely, mainly after 5am. Cloudy, with a low around 35. East southeast wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Cloudy then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers. High near 52. East southeast wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Patchy fog. Low around 45. East northeast wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 9am, then showers between 9am and 3pm, then showers and possibly a thunderstorm after 3pm. Patchy fog before 7am. High near 61. East wind 6 to 8 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 53. South wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Showers

  • Thursday

    Thursday: Showers. High near 66. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Partly cloudy, with a low around 51. West southwest wind 6 to 8 mph becoming south southeast after midnight.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly before noon. Partly sunny, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • Friday Night

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

    Low: 59 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Tonight
Showers likely, mainly after 5am. Cloudy, with a low around 35. East southeast wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers. High near 52. East southeast wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Patchy fog. Low around 45. East northeast wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 9am, then showers between 9am and 3pm, then showers and possibly a thunderstorm after 3pm. Patchy fog before 7am. High near 61. East wind 6 to 8 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 53. South wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Showers. High near 66. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 51. West southwest wind 6 to 8 mph becoming south southeast after midnight.
Friday
Showers likely, mainly before noon. Partly sunny, with a high near 74. Chance of precipitation is 60%.
Friday Night
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Saturday
Showers, mainly before noon. High near 67. Chance of precipitation is 80%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 47.
Sunday
Mostly cloudy, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
A chance of showers. Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.49°N 88.39°W (Elev. 732 ft)
Last Update:
7:26 pm CST Mar 2, 2026
Forecast Valid:
7pm CST Mar 2, 2026-6pm CDT Mar 9, 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