Super Typhoon Bavi to Impact Guam and the Mariana Islands; Excessive Rainfall and Flooding Threat in the Mid-Atlantic

Catastrophic Super Typhoon Bavi's eyewall has reached Rota and is expected to bring dangerous winds, heavy rainfall and storm surge to Guam, Rota, Tinian and Saipan. A Typhoon Warning remains in effect. Heavy to excessive rainfall will continue to bring a flooding threat from coastal Mid-Atlantic to southern New England through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fog/Mist

68°F

20°C

Humidity 96%
Wind Speed N 7 mph
Barometer 29.96 in (1013.9 mb)
Dewpoint 67°F (19°C)
Visibility 5.00 mi
Last update 6 Jul 2:53 am CDT
Extended Forecast for

Sullivan IL

  • Overnight

    Overnight: Partly cloudy, with a low around 66. North wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly cloudy, with a high near 82. North northeast wind 6 to 8 mph.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 66. North northeast wind 5 to 8 mph.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Northeast wind 6 to 8 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 66. North wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 82. North northeast wind 6 to 8 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. North northeast wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 85. Northeast wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 64. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 68. Calm wind becoming south southwest around 5 mph after midnight.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IL
 39.61°N 88.61°W (Elev. 669 ft)
1:51 am CDT Jul 6, 2026
3am CDT Jul 6, 2026-6pm CDT Jul 12, 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