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

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Mostly Cloudy

80°F

27°C

Humidity	71%
Wind Speed	E 3 mph
Barometer	30.08 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	31 Aug 4:55 pm EDT

More Information:

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

Extended Forecast for

3 Miles SW Pylesville MD

Tonight
Low: 71 °F
Slight Chance
T-storms then
Mostly Cloudy
Tuesday
High: 93 °F
Partly Sunny
then Slight
Chance
T-storms
Tuesday Night
Low: 72 °F
Chance
T-storms
Wednesday
High: 88 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 71 °F
Chance
T-storms
Thursday
High: 93 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 72 °F
Chance
T-storms
Friday
High: 87 °F
Mostly Sunny
then Chance
Showers
Friday Night
Low: 65 °F
Chance
Showers then
Partly Cloudy

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Tuesday

A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93. West wind 3 to 7 mph. Chance of precipitation is 20%.

Tuesday Night

A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 50%.

Wednesday

A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

Thursday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.

Thursday Night

A chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

Friday

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

Friday Night

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

Saturday

Mostly sunny, with a high near 81.

Saturday Night

Partly cloudy, with a low around 59.