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 >

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

74°F

23°C

Humidity 67%
Wind Speed Calm
Barometer 30.08 in (1018.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 24 Jul 6:53 pm CDT
Extended Forecast for

2 Miles E Sullivan IL

Heat Advisory July 26, 12:00pm until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Isolated showers after 1am.  Mostly cloudy, with a low around 63. Calm wind.  Chance of precipitation is 20%.

    Low: 63 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Saturday

    Saturday: Isolated showers before 1pm.  Mostly cloudy, with a high near 82. South wind 3 to 6 mph.  Chance of precipitation is 20%.

    High: 82 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. Light south southwest wind.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72. South southwest wind 3 to 6 mph.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74. Southwest wind 7 to 10 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers after 1am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.
Saturday
Isolated showers before 1pm. Mostly cloudy, with a high near 82. South wind 3 to 6 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 67. Light south southwest wind.
Sunday
Mostly sunny, with a high near 90. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 72. South southwest wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 94. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 74. Southwest wind 7 to 10 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Sullivan IL
 39.58°N 88.55°W (Elev. 630 ft)
5:36 pm CDT Jul 24, 2026
7pm CDT Jul 24, 2026-6pm CDT Jul 31, 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