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

Hazardous Weather Conditions

Current conditions at

Conway Horry County Airport (KHYW)

Lat: 33.83°NLon: 79.12°WElev: 33ft.

Fair

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 19 Aug 6:35 am EDT
Extended Forecast for

3 Miles SSW Aynor 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 3pm. Sunny and hot, with a high near 98. Heat index values as high as 109. Calm wind. Chance of precipitation is 20%.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 9am. Otherwise, mostly sunny and hot, with a high near 97. Heat index values as high as 111. Calm wind becoming south around 6 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

    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 95. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    T-storms
    Likely then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 92. Chance of precipitation is 80%.

    High: 92 °F

    Chance
    T-storms 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 93. Chance of precipitation is 30%.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 98. Heat index values as high as 109. Calm wind. Chance of precipitation is 20%.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 75. Calm wind.
Thursday
A chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 9am. Otherwise, mostly sunny and hot, with a high near 97. Heat index values as high as 111. Calm wind becoming south around 6 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
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 95. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 92. 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 93. 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
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Aynor SC
 33.95°N 79.22°W (Elev. 46 ft)
Last Update:
6:34 am EDT Aug 19, 2026
Forecast Valid:
6am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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