Dangerous Heat Wave Continues; Severe Thunderstorms and Heavy Rain from the Central Plains to the Midwest

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorm are expected from the northern/central Plains to the Mid-Atlantic. Isolated slash flooding is possible from the central Plains to the Upper Midwest. 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	29.93 in (1013.5 mb)
Dewpoint	71°F (22°C)
Visibility	NA
Heat Index	108°F (42°C)
Last update	3 Jul 7:53 pm EDT

More Information:

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

Extended Forecast for

2 Miles ENE Catonsville MD

Extreme Heat Warning July 4, 10:00am until July 4, 09:00pm

Extreme Heat Warning July 3, 08:49pm until July 3, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

...

Extreme Heat Warning July 3, 08:49pm until July 3, 09:00pm
NOW until 9:00pm Fri
Extreme Heat Warning
Tonight
Low: 81 °F
Severe
Thunderstorms
then Mostly
Clear
Independence Day
High: 102 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 74 °F
Chance
T-storms
Sunday
High: 94 °F
Mostly Sunny
then Showers
Likely
Sunday Night
Low: 71 °F
Showers
Monday
High: 86 °F
Chance
Showers then
Showers
Likely
Monday Night
Low: 70 °F
Showers
Likely
Tuesday
High: 87 °F
Slight Chance
Showers then
Chance
T-storms

Detailed Forecast

Tonight

Isolated showers and thunderstorms before 11pm. Some of the storms could be severe. Mostly clear, with a low around 81. West wind around 7 mph. Chance of precipitation is 20%.

Independence Day

A chance of showers and thunderstorms, mainly after 3pm. Sunny and hot, with a high near 102. Heat index values as high as 110. Light and variable wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 74. West wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 50%.

Sunday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 94. Heat index values as high as 102. Light and variable wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 71. East wind 3 to 5 mph. Chance of precipitation is 80%.

Monday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.

Monday Night

Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 40%.

Tuesday Night

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

Wednesday

A chance of showers, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

Thursday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 20%.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.