Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Fair

85°F

29°C

Humidity	75%
Wind Speed	S 5 mph
Barometer	29.97 in (1015.0 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	30 Jul 9:54 pm EDT

More Information:

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

Extended Forecast for

Arnold MD

Flood Watch July 31, 02:00pm until August 1, 02:00am

Click here for hazard details and duration

Flood Watch

Tonight
Low: 77 °F
Mostly Clear
Thursday
High: 92 °F
Sunny then
T-storms
Likely
Thursday Night
Low: 70 °F
T-storms then
Showers
Friday
High: 78 °F
Chance
T-storms
Friday Night
Low: 66 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 81 °F
Mostly Sunny
Saturday Night
Low: 65 °F
Mostly Clear
Sunday
High: 82 °F
Mostly Sunny
Sunday Night
Low: 66 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 77. South wind 3 to 5 mph.

Thursday

Showers and thunderstorms likely, mainly after 3pm. Increasing clouds, with a high near 92. Heat index values as high as 105. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Thursday Night

Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 70. Southeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Friday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. North wind 7 to 10 mph. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. North wind 7 to 10 mph. Chance of precipitation is 30%.

Saturday

Mostly sunny, with a high near 81.

Saturday Night

Mostly clear, with a low around 65.

Sunday

Mostly sunny, with a high near 82.

Sunday Night

Partly cloudy, with a low around 66.

Monday

Mostly sunny, with a high near 84.

Monday Night

Partly cloudy, with a low around 67.