Hazardous Weather Conditions

Current conditions at

Summerville Airport (KDYB)

Lat: 33.06°NLon: 80.28°WElev: 56ft.

Fog/Mist

75°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 75°F (24°C)
Visibility 6.00 mi
Last update 25 Jul 1:15 am EDT
Extended Forecast for

2 Miles ESE Summerville Airport SC

Flood Watch July 25, 01:22am until July 25, 02:00am
Click here for hazard details and duration
...
  •  
    Flood Watch July 25, 01:22am until July 25, 02:00am

    NOW until 2:00am Sat

    Flood Watch

  • Overnight

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers and thunderstorms likely after 2pm.  Partly sunny, with a high near 90. Heat index values as high as 102. Calm wind becoming southwest around 6 mph in the morning.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 4am, then a slight chance of thunderstorms between 4am and 5am.  Low around 72. Calm wind.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    T-storms then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 11am.  Mostly sunny, with a high near 91. Calm wind becoming north around 5 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm.  Mostly clear, with a low around 71. Calm wind.  Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 97.

    High: 97 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 74. Calm wind.
Saturday
A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 90. Heat index values as high as 102. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms before 4am, then a slight chance of thunderstorms between 4am and 5am. Low around 72. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 91. Calm wind becoming north around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 71. Calm wind. Chance of precipitation is 30%.
Monday
Sunny, with a high near 93.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
Mostly sunny, with a high near 97.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Wednesday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Friday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Summerville Airport SC
 33.07°N 80.24°W (Elev. 49 ft)
9:22 pm EDT Jul 24, 2026
1am EDT Jul 25, 2026-6pm EDT Jul 31, 2026
 
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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