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

Marion County Airport (KMAO)

Lat: 34.18°NLon: 79.34°WElev: 92ft.

Fair

72°F

22°C

Humidity 88%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 12 Jul 6:15 am EDT
Extended Forecast for

4 Miles WSW Dillon SC

  • Today

    Today: A chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 70 °F

    T-storms then
    Chance
    Showers

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 84. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 68. Northeast wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Northeast wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers
    Likely then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Monday
Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 84. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 68. Northeast wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A slight chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Northeast wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny, with a high near 95.
Friday Night
Partly cloudy, with a low around 74.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Dillon SC
 34.4°N 79.43°W (Elev. 95 ft)
Last Update:
6:02 am EDT Jul 12, 2026
Forecast Valid:
6am EDT Jul 12, 2026-6pm EDT Jul 18, 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