Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Hazardous Weather Conditions

Coastal Flood Advisory in effect from June 18, 05:00 AM EDT until June 18, 01:00 PM EDT

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

A Few Clouds

78°F

26°C

Humidity	64%
Wind Speed	S 15 G 24 mph
Barometer	29.76 in (1008.0 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	17 Jun 7:54 pm EDT

More Information:

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

Extended Forecast for

Londontowne MD

Coastal Flood Advisory June 18, 05:00am until June 18, 01:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Tonight
Low: 73 °F
Mostly Cloudy
Thursday
High: 94 °F
Breezy.
Partly Sunny
then Chance
T-storms
Thursday Night
Low: 71 °F
Mostly Cloudy
then Slight
Chance
Showers
Juneteenth
High: 86 °F
Decreasing
Clouds
Friday Night
Low: 67 °F
Mostly Clear
Saturday
High: 86 °F
Sunny
Saturday Night
Low: 66 °F
Mostly Clear
Sunday
High: 87 °F
Mostly Sunny
Sunday Night
Low: 70 °F
Slight Chance
T-storms then
Chance
Showers

Detailed Forecast

Tonight

Mostly cloudy, with a low around 73. South wind around 10 mph, with gusts as high as 18 mph.

Thursday

A chance of showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny, with a high near 94. Breezy, with a south wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.

Thursday Night

A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 3am. Mostly cloudy, with a low around 71. West wind 5 to 8 mph. Chance of precipitation is 20%.

Juneteenth

Mostly cloudy, then gradually becoming sunny, with a high near 86. West wind 5 to 9 mph.

Friday Night

Mostly clear, with a low around 67. Northwest wind 5 to 7 mph.

Saturday

Sunny, with a high near 86.

Saturday Night

Mostly clear, with a low around 66.

Sunday

Mostly sunny, with a high near 87.

Sunday Night

A slight chance of showers and thunderstorms, then a chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

Monday

Showers likely, then showers and possibly a thunderstorm after 2pm. High near 88. Chance of precipitation is 80%.

Monday Night

Showers and thunderstorms. Low around 67. Chance of precipitation is 80%.

Tuesday

A slight chance of showers. Sunny, with a high near 86. Chance of precipitation is 20%.

Tuesday Night

Mostly clear, with a low around 66.

Wednesday

Sunny, with a high near 85.