National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion County Airport (KMAO)

Lat: 34.18°NLon: 79.34°WElev: 92ft.

Fair

91°F

33°C

Humidity 41%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 16 Aug 1:35 pm EDT
Extended Forecast for

Dillon SC

Heat Advisory until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. South wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 99. Heat index values as high as 110. Southwest wind 3 to 7 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Northwest wind 3 to 6 mph.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly clear, with a low around 75. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 106. Light south wind. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. South wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Sunny and hot, with a high near 99. Heat index values as high as 110. Southwest wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 77. Calm wind.
Tuesday
Sunny and hot, with a high near 98. Northwest wind 3 to 6 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly clear, with a low around 75. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 93. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dillon SC
 34.42°N 79.38°W (Elev. 102 ft)
Last Update:
12:17 pm EDT Aug 16, 2026
Forecast Valid:
1pm EDT Aug 16, 2026-6pm EDT Aug 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation