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

Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Partly Cloudy

93°F

34°C

Humidity 50%
Wind Speed SW 5 mph
Barometer 30.02 in (1015.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 16 Aug 5:53 pm EDT
Extended Forecast for

Piedmont SCSimilar City Names

Heat Advisory August 17, 12:00pm until August 17, 08:00pm
Heat Advisory August 16, 06:41pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory August 16, 06:41pm until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98. Heat index values as high as 106. West wind 3 to 7 mph.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74. West wind around 6 mph becoming calm after midnight.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 103. Light west northwest wind.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73. North northeast wind 3 to 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Wednesday Night

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

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 98. Heat index values as high as 106. West wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 74. West wind around 6 mph becoming calm after midnight.
Tuesday
Sunny and hot, with a high near 95. Heat index values as high as 103. Light west northwest wind.
Tuesday Night
Partly cloudy, with a low around 73. North northeast wind 3 to 5 mph.
Wednesday
Sunny and hot, with a high near 95.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Piedmont SCSimilar City Names
 34.71°N 82.47°W (Elev. 846 ft)
Last Update:
2:23 pm EDT Aug 16, 2026
Forecast Valid:
6pm EDT Aug 16, 2026-6pm EDT Aug 23, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation