Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Partly Cloudy

89°F

32°C

Humidity	63%
Wind Speed	S 9 G 20 mph
Barometer	29.73 in (1006.8 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	21 Jul 4:54 pm EDT

More Information:

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

Extended Forecast for

Arnold MD

Severe T-storm Watch until July 21, 10:00pm

Severe T-storm Warning July 21, 05:04pm until July 21, 05:15pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Warning

Severe T-storm Watch until July 21, 10:00pm
Severe T-storm Warning July 21, 05:04pm until July 21, 05:15pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 90 °F
Severe
Thunderstorms
Tonight
Low: 72 °F
Severe
Thunderstorms
then Showers
Likely
Wednesday
High: 89 °F
Slight Chance
Showers then
Showers
Likely
Wednesday Night
Low: 67 °F
Showers
Likely then
Mostly Cloudy
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 67 °F
Mostly Clear
Friday
High: 84 °F
Sunny
Friday Night
Low: 67 °F
Mostly Cloudy
then Slight
Chance
Showers

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. Some of the storms could be severe. High near 90. West wind around 13 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm, mainly before 5am, then isolated showers and thunderstorms after 5am. Some of the storms could be severe. Low around 72. Southwest wind 11 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. West wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 67. West wind around 9 mph becoming north after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Sunny, with a high near 83. North wind 9 to 13 mph, with gusts as high as 20 mph.

Thursday Night

Mostly clear, with a low around 67.

Friday

Sunny, with a high near 84.

Friday Night

A slight chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.

Saturday

A slight chance of showers before 2pm. Partly sunny, with a high near 83. Chance of precipitation is 20%.

Saturday Night

A slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.