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

65°F

18°C

Humidity 87%
Wind Speed S 16 G 36 mph
Barometer 29.90 in (1011.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 7 Mar 12:53 am CST
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 62. South wind around 18 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: 62 °F

    Showers

  • Saturday

    Saturday: Showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 3pm. Temperature rising to near 66 by 11am, then falling to around 52 during the remainder of the day. Southwest wind 15 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F⇓

    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71. South southwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 52. Breezy. Chance of precipitation is 90%.

    Low: 52 °F

    Showers and
    Breezy

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 62. South wind around 18 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.
Saturday
Showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 3pm. Temperature rising to near 66 by 11am, then falling to around 52 during the remainder of the day. Southwest wind 15 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 37. Northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 61. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 44. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 71. South southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 58. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Tuesday
Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 52. Breezy. Chance of precipitation is 90%.
Wednesday
Showers, mainly before noon. High near 63. Breezy. Chance of precipitation is 80%.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 59. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.46°N 88.28°W (Elev. 679 ft)
Last Update:
12:26 am CST Mar 7, 2026
Forecast Valid:
1am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation