Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Hazardous Weather Conditions

Coastal Flood Advisory in effect from September 10, 03:19 AM EDT until September 10, 08:00 AM EDT

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Overcast

75°F

24°C

Humidity	69%
Wind Speed	SW 7 mph
Barometer	29.94 in (1014.1 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	10 Sep 5:54 am EDT

More Information:

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

Extended Forecast for

Arnold MD

Coastal Flood Advisory until September 10, 08:00am

Click here for hazard details and duration

...

Coastal Flood Advisory until September 10, 08:00am
NOW until 8:00am Thu
Coastal Flood Advisory
Today
High: 89 °F
Partly Sunny
Tonight
Low: 68 °F
Chance
T-storms then
Showers
Likely
Friday
High: 82 °F
Chance
Showers then
Partly Sunny
Friday Night
Low: 67 °F
Increasing
Clouds
Saturday
High: 83 °F
Partly Sunny
then Chance
Showers
Saturday Night
Low: 69 °F
Showers
Likely
Sunday
High: 86 °F
Slight Chance
Showers then
Slight Chance
T-storms
Sunday Night
Low: 69 °F
Partly Cloudy

Detailed Forecast

Today

Partly sunny, with a high near 89. West wind 7 to 9 mph.

Tonight

Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 68. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 82. North wind 5 to 8 mph. Chance of precipitation is 30%.

Friday Night

Increasing clouds, with a low around 67. Calm wind.

Saturday

A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 83. Southeast wind 5 to 9 mph. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.

Sunday

A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 20%.

Sunday Night

Partly cloudy, with a low around 69.

Monday

Mostly sunny, with a high near 84.

Monday Night

Partly cloudy, with a low around 67.

Tuesday

Sunny, with a high near 85.

Tuesday Night

Mostly clear, with a low around 70.