Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Current conditions at

Lancaster County-mc Whirter Field (KLKR)

Lat: 34.72°NLon: 80.86°WElev: 486ft.

Fair

77°F

25°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Aug 5:35 am EDT
Extended Forecast for

3 Miles WSW Catawba SC

Heat Advisory August 17, 12:00pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny and hot, with a high near 97. Heat index values as high as 106. Calm wind becoming west around 5 mph in the afternoon.

    High: 97 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 94. Heat index values as high as 103. Calm wind becoming north around 5 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. North northeast wind around 6 mph becoming calm  in the afternoon.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 106. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 74. Calm wind.
Tuesday
Sunny, with a high near 94. Heat index values as high as 103. Calm wind becoming north around 5 mph.
Tuesday Night
Mostly clear, with a low around 72. Calm wind becoming north northeast around 5 mph after midnight.
Wednesday
Sunny, with a high near 94. North northeast wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Partly cloudy, with a low around 72.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Friday Night
A chance of showers and thunderstorms before 8pm, then showers likely between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 89.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Catawba SC
 34.83°N 80.94°W (Elev. 594 ft)
5:04 am EDT Aug 17, 2026
5am EDT Aug 17, 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