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

72°F

22°C

Humidity 88%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 19 Aug 5:35 am EDT
Extended Forecast for

3 Miles ESE Nichols SC

Heat Advisory August 19, 11:00am until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Heat index values as high as 107. Light and variable wind. Chance of precipitation is 20%.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

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

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 96. Heat index values as high as 109. Calm wind becoming south 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: 96 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 94. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 94 °F

    Slight Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 72. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    Showers then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 71. Chance of precipitation is 80%.

    Low: 71 °F

    T-storms then
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Heat index values as high as 107. Light and variable wind. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 75. Calm wind.
Thursday
A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 96. Heat index values as high as 109. Calm wind becoming south 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.
Thursday Night
A slight chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 94. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 72. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 71. Chance of precipitation is 80%.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Monday
Sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Nichols SC
 34.21°N 79.1°W (Elev. 72 ft)
Last Update:
3:00 am EDT Aug 19, 2026
Forecast Valid:
5am EDT Aug 19, 2026-6pm EDT Aug 25, 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