Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

69°F

21°C

Humidity	91%
Wind Speed	NE 5 mph
Barometer	30.08 in
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	4 Aug 7:35 am EDT

More Information:

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

Extended Forecast for

Fallston MD

Today
High: 84 °F
Mostly Sunny
Tonight
Low: 67 °F
Mostly Cloudy
then Slight
Chance
T-storms
Wednesday
High: 84 °F
Showers
Likely
Wednesday Night
Low: 71 °F
Chance
T-storms then
Slight Chance
Showers
Thursday
High: 88 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 72 °F
Chance
T-storms then
Chance
Showers
Friday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 70 °F
Chance
T-storms
Saturday
High: 87 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Today

Mostly sunny, with a high near 84. North wind around 5 mph becoming light and variable.

Tonight

A slight chance of showers between 3am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 67. Light east wind. Chance of precipitation is 20%.

Wednesday

A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 84. Light and variable wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 71. South wind 3 to 5 mph. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.

Saturday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Sunday Night

Partly cloudy, with a low around 71.