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.

Thunderstorm Rain Fog/Mist

64°F

18°C

Humidity 96%
Wind Speed W 6 mph
Barometer 29.88 in (1011.3 mb)
Dewpoint 63°F (17°C)
Visibility 2.50 mi
Last update 15 Apr 11:53 pm CDT
Extended Forecast for

Mattoon IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 62. South southwest wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 77. West wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Slight Chance
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. West wind 5 to 7 mph becoming south after midnight.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 82. South wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Showers likely, then showers and possibly a thunderstorm after 7pm. Low around 53. South wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Partly sunny, with a high near 64. West northwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 62. South southwest wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 20 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 77. West wind 11 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 55. West wind 5 to 7 mph becoming south after midnight.
Friday
Mostly sunny, with a high near 82. South wind 6 to 15 mph, with gusts as high as 25 mph.
Friday Night
Showers likely, then showers and possibly a thunderstorm after 7pm. Low around 53. South wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely, mainly before 1pm. Partly sunny, with a high near 64. West northwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 38. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 74.
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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:
11:46 pm CDT Apr 15, 2026
Forecast Valid:
12am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation