Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

71°F

22°C

Humidity 61%
Wind Speed SE 5 mph
Barometer 30.16 in (1021.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 24 Jul 8:53 am CDT
Extended Forecast for

Mattoon/Charleston, Coles County Memorial Airport IL

  • Today

    Today: Partly sunny, with a high near 79. East southeast wind around 5 mph becoming calm  in the afternoon.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 4am.  Mostly cloudy, with a low around 65. Calm wind becoming south around 5 mph after midnight.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm.  Mostly cloudy, with a high near 80. South wind around 7 mph.  Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69. Light south wind.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. South southwest wind 3 to 7 mph.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 79. East southeast wind around 5 mph becoming calm in the afternoon.
Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 65. Calm wind becoming south around 5 mph after midnight.
Saturday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 80. South wind around 7 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 69. Light south wind.
Sunday
Mostly sunny, with a high near 88. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 73. South southwest wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 91. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
 39.49°N 88.27°W (Elev. 696 ft)
6:36 am CDT Jul 24, 2026
9am CDT Jul 24, 2026-6pm CDT Jul 30, 2026
 
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Additional Resources

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