Heavy Rainfall Along the Central Gulf Coast; Thunderstorms from the Plains to the Central Appalachians; Heat Across the East

A system in the Gulf could produce heavy rainfall and flash flooding for portions of the north-central Gulf Coast into Saturday. Widespread showers and thunderstorms are likely this afternoon into Friday from Central Plains into the mid-Mississippi Valley, Ohio Valley and Central Appalachians. Dangerous heat is expected from the Lower Mississippi Valley to the Mid-Atlantic today. Read More >

Hazardous Weather Conditions

Current conditions at

Wallops Flight Facility Airport (KWAL)

Lat: 37.94°NLon: 75.47°WElev: 30ft.

Mostly Cloudy

90°F

32°C

Humidity	68%
Wind Speed	W 12 G 24 mph
Barometer	29.97 in (1014.7 mb)
Dewpoint	78°F (26°C)
Visibility	10.00 mi
Heat Index	105°F (41°C)
Last update	17 Jul 1:54 pm EDT

More Information:

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

Extended Forecast for

Girdletree MD

Heat Advisory July 17, 02:06pm until July 17, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 17, 02:06pm until July 17, 08:00pm
NOW until 8:00pm Thu
Heat Advisory
This Afternoon
High: 94 °F
Mostly Sunny
Tonight
Low: 76 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 88 °F
Sunny then
Chance
Showers
Friday Night
Low: 73 °F
Chance
Showers then
Chance
T-storms
Saturday
High: 85 °F
Chance
T-storms then
Showers
Likely
Saturday Night
Low: 74 °F
Showers
Likely then
Chance
T-storms
Sunday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 72 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 94. Heat index values as high as 106. Southwest wind around 16 mph, with gusts as high as 24 mph.

Tonight

A chance of showers and thunderstorms, mainly between 8pm and 11pm. Partly cloudy, with a low around 76. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.

Friday

A chance of showers after 5pm. Mostly sunny, with a high near 88. North wind around 6 mph becoming east in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 73. Light southeast wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. South wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and thunderstorms likely before 5am, then a slight chance of showers. Mostly cloudy, with a low around 74. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

Sunday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 84.

Monday Night

Mostly clear, with a low around 68.

Tuesday

Sunny, with a high near 83.

Tuesday Night

Partly cloudy, with a low around 70.