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.

Mostly Cloudy

76°F

24°C

Humidity 48%
Wind Speed SW 6 mph
Barometer 30.15 in (1020.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 24 Jul 11:53 am CDT
Extended Forecast for

4 Miles ENE Charleston IL

  • This Afternoon

    This Afternoon: Mostly sunny early, then becoming cloudy, with a high near 79. Calm wind.

    High: 79 °F

    Becoming
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Isolated showers before 1pm.  Partly sunny, with a high near 81. Calm wind becoming south around 6 mph in the morning.  Chance of precipitation is 20%.

    High: 81 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 92 °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 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny early, then becoming cloudy, with a high near 79. Calm wind.
Tonight
Mostly cloudy, with a low around 64. Calm wind.
Saturday
Isolated showers before 1pm. Partly sunny, with a high near 81. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 68. Calm wind.
Sunday
Mostly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 72. Calm wind becoming south southwest around 5 mph after midnight.
Monday
Mostly sunny, with a high near 92. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Charleston IL
 39.52°N 88.1°W (Elev. 663 ft)
12:16 pm CDT Jul 24, 2026
12pm CDT Jul 24, 2026-6pm CDT Jul 30, 2026
 
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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