Sunday Brings Heat Relief For Some; Flash Flood Threat Along Cold Front

A cold front shifting across the Central Plains, Midwest, Great Lakes and Northeast on Sunday will bring some relief from the heat with cooler and drier air. Excessive heat holds Sunday roughly south of I-70. Heavy rain from thunderstorms along the front may bring flash flooding. Read More >

Hazardous Weather Conditions

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Current conditions at

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

Partly Cloudy

85°F

29°C

Humidity	75%
Wind Speed	SW 3 mph
Barometer	29.86 in (1011.1 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	20 Jul 9:54 pm EDT

More Information:

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

Extended Forecast for

Baltimore-Washington International Airport MD

Excessive Heat Warning July 21, 11:00am until July 21, 09:00pm

Click here for hazard details and duration

Excessive Heat Warning

Tonight

Scattered
T-storms
Low: 80 °F
Sunday

Mostly Sunny
then Slight
Chance
T-storms
High: 99 °F
Sunday
Night

Chance
T-storms
Low: 77 °F
Monday

Heavy Rain
High: 90 °F
Monday
Night

Heavy Rain
Low: 69 °F
Tuesday

Chance
Showers
High: 82 °F
Tuesday
Night

Mostly Cloudy
Low: 65 °F
Wednesday

Mostly Sunny
High: 83 °F
Wednesday
Night

Partly Cloudy
Low: 64 °F

Detailed Forecast

Tonight

Scattered showers and thunderstorms, mainly before midnight. Some of the storms could produce gusty winds. Mostly cloudy, with a low around 80. West wind around 5 mph. Chance of precipitation is 30%.

Sunday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 110. West wind 5 to 9 mph. Chance of precipitation is 20%.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. West wind 3 to 6 mph. Chance of precipitation is 40%.

Monday

Showers likely and possibly a thunderstorm, then showers and thunderstorms after noon. Some of the storms could produce heavy rain. High near 90. Light and variable wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rain. Cloudy, with a low around 69. Southwest wind around 6 mph. Chance of precipitation is 70%.

Tuesday

A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

Tuesday Night

Mostly cloudy, with a low around 65.

Wednesday

Mostly sunny, with a high near 83.

Wednesday Night

Partly cloudy, with a low around 64.

Thursday

Sunny, with a high near 86.

Thursday Night

Mostly clear, with a low around 67.