Severe Weather in the Northeast; Intense Heat in the Mid-Atlantic and Portions of the West

Severe thunderstorms and heavy rainfall are likely across portions of the Northeast. An intense heat wave will continue across the Mid-Atlantic, where record high temperatures are likely. In the West, triple-digit high temperatures are possible in central and southern California, Arizona, and Utah. Monsoon-like conditions may produce isolated flash flooding in the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Baltimore / Martin (KMTN)

Lat: 39.33°NLon: 76.42°WElev: 23ft.

Fair

82°F

28°C

Humidity	74%
Wind Speed	SE 10 G 16 mph
Barometer	29.92 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	22 Jun 10:49 pm EDT

More Information:

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

Extended Forecast for

2 Miles NNW Conowingo MD

Heat Advisory June 23, 11:00am until June 23, 07:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 77 °F
Isolated
Showers then
Partly Cloudy
Sunday
High: 97 °F
Scattered
T-storms
Sunday Night
Low: 71 °F
T-storms
Likely
Monday
High: 85 °F
Chance
Showers
Monday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 70 °F
Partly Cloudy
Wednesday
High: 93 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 71 °F
Chance
T-storms

Detailed Forecast

Tonight

Isolated showers before 11pm. Partly cloudy, with a low around 77. South wind 3 to 6 mph. Chance of precipitation is 20%.

Sunday

Scattered showers and thunderstorms, mainly after 2pm. Partly sunny and hot, with a high near 97. Heat index values as high as 106. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

Sunday Night

Showers and thunderstorms likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 71. South wind around 8 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 85. Northwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Monday Night

Mostly clear, with a low around 64. North wind 6 to 8 mph.

Tuesday

Sunny, with a high near 88.

Tuesday Night

Partly cloudy, with a low around 70.

Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.

Thursday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.