Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

84°F

29°C

Humidity	50%
Wind Speed	Calm
Barometer	30.10 in
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	29 Jun 5:35 pm EDT

More Information:

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

Extended Forecast for

Jarrettsville MD

Tonight
Low: 66 °F
Mostly Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 70 °F
Mostly Clear
Wednesday
High: 94 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 75 °F
Mostly Clear
Thursday
High: 99 °F
Hot
Thursday Night
Low: 77 °F
Clear
Friday
High: 101 °F
Sunny then
Chance
T-storms
Friday Night
Low: 75 °F
Chance
T-storms

Detailed Forecast

Tonight

Mostly clear, with a low around 66. Southeast wind 5 to 7 mph becoming south after midnight.

Tuesday

Sunny, with a high near 87. South wind 5 to 13 mph, with gusts as high as 21 mph.

Tuesday Night

Mostly clear, with a low around 70. South wind around 10 mph, with gusts as high as 21 mph.

Wednesday

A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 103. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.

Wednesday Night

Mostly clear, with a low around 75. South wind around 6 mph.

Thursday

Sunny and hot, with a high near 99.

Thursday Night

Clear, with a low around 77.

Friday

A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 101. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 30%.

Independence Day

Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny and hot, with a high near 99. Chance of precipitation is 60%.