Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Baltimore / Martin (KMTN)

Lat: 39.33°NLon: 76.42°WElev: 23ft.

Partly Cloudy

79°F

26°C

Humidity	70%
Wind Speed	E 5 mph
Barometer	30.14 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	31 Aug 10:45 am EDT

More Information:

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

Extended Forecast for

Perry Hall MD

This Afternoon
High: 86 °F
Slight Chance
T-storms
Tonight
Low: 73 °F
Chance
Showers then
Partly Cloudy
Tuesday
High: 93 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 74 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 89 °F
Slight Chance
T-storms
Wednesday Night
Low: 74 °F
Chance
T-storms
Thursday
High: 94 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 72 °F
Chance
T-storms then
Chance
Showers
Friday
High: 87 °F
Chance
Showers

Detailed Forecast

This Afternoon

A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86. East wind 3 to 5 mph. Chance of precipitation is 20%.

Tonight

A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 73. Light and variable wind becoming southwest around 5 mph after midnight. Chance of precipitation is 30%.

Tuesday

A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 101. West wind 5 to 7 mph. Chance of precipitation is 40%.

Tuesday Night

A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 74. Light and variable wind. Chance of precipitation is 50%.

Wednesday

A slight chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Northeast wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 20%.

Wednesday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 40%.

Thursday

A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

Friday

A chance of showers, mainly after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

Saturday

A slight chance of showers and thunderstorms. Sunny, with a high near 83. Chance of precipitation is 20%.

Saturday Night

Partly cloudy, with a low around 63.

Sunday

Sunny, with a high near 80.