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 >

Hazardous Weather Conditions

Heat Advisory in effect from August 17, 12:00 PM EDT until August 17, 08:00 PM EDT

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 Index	78°F (26°C)
Last update	17 Aug 5:35 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Great Falls SC

Heat Advisory August 17, 12:00pm until August 17, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 99 °F
Hot
Tonight
Low: 75 °F
Partly Cloudy
Tuesday
High: 95 °F
Hot
Tuesday Night
Low: 73 °F
Mostly Clear
Wednesday
High: 96 °F
Hot
Wednesday Night
Low: 73 °F
Mostly Clear
Thursday
High: 98 °F
Hot
Thursday Night
Low: 73 °F
Partly Cloudy
Friday
High: 95 °F
Mostly Sunny
then Chance
T-storms

Detailed Forecast

Today

Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind.

Tonight

Partly cloudy, with a low around 75. Calm wind.

Tuesday

Sunny and hot, with a high near 95. Heat index values as high as 105. Light north northwest wind.

Tuesday Night

Mostly clear, with a low around 73. Calm wind.

Wednesday

Sunny and hot, with a high near 96. Light north wind.

Wednesday Night

Mostly clear, with a low around 73.

Thursday

Sunny and hot, with a high near 98.

Thursday Night

Partly cloudy, with a low around 73.

Friday

A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.

Friday Night

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm 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 90. Chance of precipitation is 60%.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Sunday

Mostly sunny, with a high near 90.