Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Lancaster County-mc Whirter Field (KLKR)

Lat: 34.72°NLon: 80.86°WElev: 486ft.

Thunderstorm

73°F

23°C

Humidity	94%
Wind Speed	SW 7 mph
Barometer	30.04 in
Dewpoint	72°F (22°C)
Visibility	9.00 mi
Last update	31 Jul 1:15 am EDT

More Information:

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

Extended Forecast for

Great Falls SC

Overnight
Low: 74 °F
Slight Chance
T-storms
Thursday
High: 93 °F
Slight Chance
T-storms then
T-storms
Likely
Thursday Night
Low: 74 °F
T-storms
Likely then
Chance
Showers and
Patchy Fog
Friday
High: 94 °F
Mostly Sunny
then T-storms
Likely
Friday Night
Low: 70 °F
T-storms
Likely and
Patchy Fog
Saturday
High: 82 °F
Chance
Showers then
Chance
T-storms
Saturday Night
Low: 66 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 83 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 66 °F
Chance
T-storms then
Chance
Showers

Detailed Forecast

Overnight

A slight chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 4am. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%.

Thursday

Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 93. Heat index values as high as 104. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers. Patchy fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 94. Heat index values as high as 104. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers and thunderstorms likely before 2am, then a chance of showers. Patchy fog between 10pm and 3am. Otherwise, mostly cloudy, with a low around 70. Light north northeast wind. Chance of precipitation is 60%.

Saturday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

Sunday

A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

Monday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.

Monday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Tuesday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Wednesday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.