Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

Partly Cloudy

82°F

28°C

Humidity	79%
Wind Speed	S 6 mph
Barometer	30.06 in (1017.7 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	15 Jul 8:52 pm EDT

More Information:

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

Extended Forecast for

Trappe MD

Tonight
Low: 75 °F
Partly Cloudy
then Slight
Chance
T-storms
Wednesday
High: 89 °F
T-storms
Likely
Wednesday Night
Low: 78 °F
T-storms
Likely then
Slight Chance
T-storms
Thursday
High: 93 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 78 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 90 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 73 °F
Chance
T-storms then
Mostly Cloudy
Saturday
High: 88 °F
Partly Sunny
then Chance
Showers
Saturday Night
Low: 73 °F
Chance
T-storms

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 75. South wind around 5 mph. Chance of precipitation is 20%.

Wednesday

Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 89. Southwest wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 78. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 105. Southwest wind around 10 mph. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. Southwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.

Saturday

A chance of showers after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.

Saturday Night

A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.

Sunday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

Sunday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

Monday

A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

Tuesday

A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.