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Severe Thunderstorms With Heavy Rain from Great Lakes to Mid-Atlantic; Excessive Heat For Central/Southern U.S. to Mid-Atlantic

Severe thunderstorms are possible today into Sunday across the upper Great Lakes region to the northern Mid-Atlantic. Damaging winds, large hail, and flooding will be the primary threats with these storms. Meanwhile, dangerous heat will continue through Sunday across the central and southern U.S. into the Mid-Atlantic. Read More >

Current conditions at

Marion County Airport (KMAO)

Lat: 34.18°NLon: 79.34°WElev: 92ft.

Fair

82°F

28°C

Humidity 74%
Wind Speed SW 3 mph
Barometer 29.94 in
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Heat Index87°F (31°C)
Last update 22 Jul 9:35 pm EDT
Extended Forecast for

Dillon SC

Heat Advisory July 23, 11:00am until July 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Mostly clear, with a low around 76. Southwest wind around 8 mph.

    Mostly Clear

    Low: 76 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny and hot, with a high near 97. Heat index values as high as 108. Southwest wind 7 to 11 mph, with gusts as high as 17 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Mostly Sunny
    then Chance
    T-storms

    High: 97 °F

  • Sunday
    Night

    Sunday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 76. Southwest wind 7 to 9 mph.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 76 °F

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 2pm.  Mostly cloudy, with a high near 93. Heat index values as high as 105. Southwest wind 8 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely

    High: 93 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 75. South wind around 7 mph.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 75 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 8am.  Partly sunny, with a high near 91. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Chance
    T-storms

    High: 91 °F

  • Tuesday
    Night

    Tuesday Night: Showers and thunderstorms likely.  Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 74 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 88. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 88 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 72 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 76. Southwest wind around 8 mph.
Sunday
A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 108. Southwest wind 7 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind 7 to 9 mph. Chance of precipitation is 20%.
Monday
Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 93. Heat index values as high as 105. Southwest wind 8 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 75. South wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 91. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 74.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
Dillon SC
 34.42°N 79.38°W (Elev. 102 ft)
9:19 pm EDT Jul 22, 2017
9pm EDT Jul 22, 2017-6pm EDT Jul 29, 2017
 
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