Areas of Severe Thunderstorms and Excessive Rainfall Friday

Severe thunderstorms capable of large hail and damaging wind gusts appear possible over the central and southern High Plains and eastern Kansas into Missouri Friday afternoon and evening. Rounds of storms Friday ahead of a slow moving frontal boundary will bring locally heavy rainfall and scattered flash flooding potential to the Mid-Mississippi, Ohio, and Tennessee Valleys, and the Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

70°F

21°C

Humidity 97%
Wind Speed S 3 mph
Barometer 29.89 in (1011.3 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 10 Jul 3:53 am CDT
Extended Forecast for

5 Miles SE Sullivan IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 8pm.  Mostly cloudy, with a low around 67. Calm wind becoming north around 5 mph after midnight.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between noon and 4pm.  Partly sunny, with a high near 84. Northeast wind around 6 mph.

    High: 84 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. Northeast wind 3 to 7 mph.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 84. Northeast wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. Northeast wind 3 to 7 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. East northeast wind 5 to 8 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 67. Calm wind becoming north around 5 mph after midnight.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between noon and 4pm. Partly sunny, with a high near 84. Northeast wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 65. Northeast wind 3 to 7 mph.
Sunday
Sunny, with a high near 84. Northeast wind 6 to 10 mph, with gusts as high as 16 mph.
Sunday Night
Mostly clear, with a low around 64. Northeast wind 3 to 7 mph.
Monday
Sunny, with a high near 87. East northeast wind 5 to 8 mph.
Monday Night
Clear, with a low around 66.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Sullivan IL
 39.56°N 88.53°W (Elev. 650 ft)
4:01 am CDT Jul 10, 2026
4am CDT Jul 10, 2026-6pm CDT Jul 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database