Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

Shaw Air Force Base (KSSC)

Lat: 33.97°NLon: 80.48°WElev: 243ft.

A Few Clouds with Haze

89°F

32°C

Humidity	59%
Wind Speed	SW 9 mph
Barometer	30.02 in (1016.5 mb)
Dewpoint	73°F (23°C)
Visibility	3.00 mi
Heat Index	97°F (36°C)
Last update	15 Jun 3:55 pm EDT

More Information:

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

Extended Forecast for

Sumter SC

This Afternoon
High: 88 °F
Chance
T-storms
Tonight
Low: 72 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 91 °F
Mostly Sunny
then Chance
T-storms
Monday Night
Low: 74 °F
Chance
T-storms
Tuesday
High: 92 °F
Slight Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 75 °F
Chance
T-storms then
Partly Cloudy
Wednesday
High: 93 °F
Sunny
Wednesday Night
Low: 76 °F
Mostly Clear
Juneteenth
High: 95 °F
Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Southwest wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. Light southwest wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southwest wind 5 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Sunny, with a high near 93.

Wednesday Night

Mostly clear, with a low around 76.

Juneteenth

Sunny, with a high near 95.

Thursday Night

Partly cloudy, with a low around 74.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.