Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Fair

77°F

25°C

Humidity	94%
Wind Speed	S 3 mph
Barometer	29.94 in (1013.8 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	13 Aug 5:54 am EDT

More Information:

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

Extended Forecast for

Trappe MD

Today
High: 88 °F
Slight Chance
T-storms then
Chance
T-storms
Tonight
Low: 72 °F
Chance
T-storms and
Patchy Fog
Thursday
High: 88 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 72 °F
Chance
T-storms then
Slight Chance
Showers
Friday
High: 89 °F
Mostly Sunny
Friday Night
Low: 70 °F
Partly Cloudy
Saturday
High: 87 °F
Mostly Sunny
Saturday Night
Low: 68 °F
Mostly Clear
Sunday
High: 88 °F
Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms, mainly between noon and 5pm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms between 1am and 2am, then a slight chance of showers. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. 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. Partly sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Mostly sunny, with a high near 89. Northeast wind around 5 mph.

Friday Night

Partly cloudy, with a low around 70.

Saturday

Mostly sunny, with a high near 87.

Saturday Night

Mostly clear, with a low around 68.

Sunday

Sunny, with a high near 88.

Sunday Night

Mostly clear, with a low around 71.