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.

Overcast

73°F

23°C

Humidity	100%
Wind Speed	NE 5 mph
Barometer	30.13 in
Dewpoint	73°F (23°C)
Visibility	9.00 mi
Last update	31 Aug 9:55 am EDT

More Information:

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

Extended Forecast for

3 Miles NNW Colora MD

Today
High: 84 °F
Slight Chance
Showers
Tonight
Low: 70 °F
Slight Chance
T-storms
Tuesday
High: 91 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 87 °F
Chance
Showers
Wednesday Night
Low: 71 °F
Chance
T-storms
Thursday
High: 92 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 69 °F
Chance
T-storms then
Chance
Showers
Friday
High: 84 °F
Mostly Sunny
then Slight
Chance
Showers

Detailed Forecast

Today

A slight chance of showers. Partly sunny, with a high near 84. Northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 20%.

Tonight

A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.

Tuesday

A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 100. West wind 3 to 7 mph. Chance of precipitation is 50%.

Tuesday Night

A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 50%.

Wednesday

A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 87. Northeast wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 40%.

Wednesday Night

A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

Thursday

A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 40%.

Thursday Night

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

Friday

A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 62.

Saturday

A slight chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 20%.

Saturday Night

Partly cloudy, with a low around 59.

Sunday

A slight chance of showers. Sunny, with a high near 79. Chance of precipitation is 20%.