Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

85°F

29°C

Humidity	88%
Wind Speed	NW 6 mph
Barometer	30.04 in
Dewpoint	81°F (27°C)
Visibility	10.00 mi
Heat Index	101°F (38°C)
Last update	3 Jul 7:55 am EDT

More Information:

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

Extended Forecast for

4 Miles E Rising Sun MD

Extreme Heat Warning July 3, 10:00am until July 3, 09:00pm

Extreme Heat Warning July 4, 10:00am until July 4, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Today
High: 99 °F
Hot
Tonight
Low: 77 °F
Chance
T-storms then
Mostly Clear
Independence Day
High: 97 °F
Sunny then
Chance
Showers
Saturday Night
Low: 72 °F
Showers
Likely
Sunday
High: 88 °F
Chance
Showers then
T-storms
Likely
Sunday Night
Low: 68 °F
T-storms then
Showers
Monday
High: 83 °F
Showers
Likely then
T-storms
Likely
Monday Night
Low: 66 °F
T-storms
Likely then
Showers
Likely
Tuesday
High: 82 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

Sunny and hot, with a high near 99. Heat index values as high as 108. West wind 5 to 8 mph.

Tonight

A chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 77. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 50%.

Independence Day

A chance of showers, mainly after 4pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 103. West wind 6 to 9 mph. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. West 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.

Sunday

A chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Mostly cloudy, with a high near 88. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%.

Sunday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 68. Chance of precipitation is 80%.

Monday

Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.

Monday Night

Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

Tuesday

A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.

Tuesday Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 20%.

Wednesday Night

Partly cloudy, with a low around 67.

Thursday

Mostly sunny, with a high near 87.