Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

88°F

31°C

Humidity	54%
Wind Speed	NA
Barometer	29.95 in (1014.2 mb)
Dewpoint	69°F (21°C)
Visibility	NA
Heat Index	93°F (34°C)
Last update	27 Aug 1:53 pm EDT

More Information:

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

Extended Forecast for

Riderwood MD

This Afternoon
High: 86 °F
Severe
Thunderstorms
Tonight
Low: 68 °F
Severe
Thunderstorms
then Chance
Showers and
Patchy Fog
Friday
High: 85 °F
Patchy Fog
then Slight
Chance
T-storms
Friday Night
Low: 67 °F
Mostly Cloudy
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 68 °F
Partly Cloudy
Sunday
High: 87 °F
Sunny
Sunday Night
Low: 71 °F
Partly Cloudy
Monday
High: 90 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Some of the storms could be severe. Partly sunny, with a high near 86. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, mainly before 9pm. Some of the storms could be severe. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 68. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A slight chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 20%.

Friday Night

Mostly cloudy, with a low around 67. Light north wind.

Saturday

Mostly sunny, with a high near 85. North wind 3 to 5 mph.

Saturday Night

Partly cloudy, with a low around 68.

Sunday

Sunny, with a high near 87.

Sunday Night

Partly cloudy, with a low around 71.

Monday

Mostly sunny, with a high near 90.