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

88°F

31°C

Humidity 40%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 12 Aug 7:15 pm EDT
Extended Forecast for

4 Miles E Marion SC

Heat Advisory August 13, 12:00pm until August 13, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 97. Heat index values as high as 110. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 112. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.

    Low: 75 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Calm wind.
Thursday
Mostly sunny and hot, with a high near 97. Heat index values as high as 110. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Heat index values as high as 112. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 98.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Marion SC
 34.19°N 79.33°W (Elev. 92 ft)
Last Update:
6:02 pm EDT Aug 12, 2026
Forecast Valid:
7pm EDT Aug 12, 2026-6pm EDT Aug 19, 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