Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

99°F

37°C

Humidity	41%
Wind Speed	NA
Barometer	29.94 in (1013.7 mb)
Dewpoint	71°F (22°C)
Visibility	NA
Heat Index	108°F (42°C)
Last update	30 Jul 4:53 pm EDT

More Information:

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

Extended Forecast for

3 Miles SW Parkville MD

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

Heat Advisory until July 30, 08:00pm

Click here for hazard details and duration

Flood Watch

Heat Advisory

Heat Advisory until July 30, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
This Afternoon
High: 96 °F
Sunny
Tonight
Low: 77 °F
Mostly Clear
Thursday
High: 93 °F
Slight Chance
T-storms then
T-storms
Likely
Thursday Night
Low: 68 °F
T-storms then
Showers
Friday
High: 76 °F
Chance
Showers then
Chance
T-storms
Friday Night
Low: 63 °F
Slight Chance
T-storms then
Slight Chance
Showers
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 63 °F
Mostly Clear

Detailed Forecast

This Afternoon

Sunny, with a high near 96. Heat index values as high as 103. South wind around 6 mph.

Tonight

Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

Thursday

Showers and thunderstorms likely, mainly after 2pm. Increasing clouds, with a high near 93. Heat index values as high as 103. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.

Thursday Night

Showers and thunderstorms likely before 7pm, then showers and possibly a thunderstorm between 7pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 68. Northeast 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 76. North wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

Friday Night

A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.

Saturday

Sunny, with a high near 81.

Saturday Night

Mostly clear, with a low around 63.

Sunday

Mostly sunny, with a high near 83.

Sunday Night

Partly cloudy, with a low around 64.

Monday

Mostly sunny, with a high near 84.

Monday Night

Partly cloudy, with a low around 66.