Heavy Rainfall Threat for Mid-Atlantic into Southern New England; Fire Weather Hazards for the West

Heavy rain and isolated severe thunderstorms may cause flash flooding in the northern Mid-Atlantic today. The Mid-Atlantic and Southeast heatwave is slowly easing, while cooler, drier air spreads across the Central and Eastern U.S. for the start of August. Critical fire conditions persist in the Pacific Northwest and Four Corners due to dry storms and gusty winds. Read More >

Hazardous Weather Conditions

Current conditions at

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

94°F

34°C

Humidity	56%
Wind Speed	NA
Barometer	29.89 in (1012.0 mb)
Dewpoint	76°F (24°C)
Visibility	NA
Heat Index	107°F (42°C)
Last update	31 Jul 12:53 pm EDT

More Information:

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

Extended Forecast for

Riderwood MD

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

Severe T-storm Watch until July 31, 08:00pm

Click here for hazard details and duration

Flood Watch

Severe T-storm Watch

Severe T-storm Watch until July 31, 08:00pm
NOW until 8:00pm Thu
Severe T-storm Watch
This Afternoon
High: 91 °F
T-storms
Tonight
Low: 66 °F
T-storms
Likely then
Slight Chance
Showers
Friday
High: 77 °F
Chance
Showers then
Slight Chance
T-storms
Friday Night
Low: 62 °F
Partly Cloudy
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 61 °F
Mostly Clear
Sunday
High: 83 °F
Sunny
Sunday Night
Low: 63 °F
Mostly Clear

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm, mainly before 4pm, then showers and thunderstorms likely after 4pm. High near 91. South wind around 7 mph becoming west. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 66. North wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Friday

A chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 77. North wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

Friday Night

Partly cloudy, with a low around 62. North wind around 8 mph.

Saturday

Sunny, with a high near 81. Northeast wind 7 to 9 mph.

Saturday Night

Mostly clear, with a low around 61.

Sunday

Sunny, with a high near 83.

Sunday Night

Mostly clear, with a low around 63.

Monday

Sunny, with a high near 85.