Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Flood Watch in effect from August 20, 12:00 PM EDT until August 21, 02:00 AM EDT

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fog/Mist

63°F

17°C

Humidity	100%
Wind Speed	Calm
Barometer	29.95 in
Dewpoint	63°F (17°C)
Visibility	5.00 mi
Last update	20 Aug 3:15 am EDT

More Information:

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

Extended Forecast for

White Meadow Lake NJ

Flood Watch August 20, 12:00pm until August 21, 02:00am

Click here for hazard details and duration

Flood Watch

Overnight
Low: 65 °F
Mostly Clear
Thursday
High: 78 °F
Slight Chance
Showers then
Showers
Thursday Night
Low: 60 °F
Showers
Likely then
Mostly Cloudy
Friday
High: 79 °F
Partly Sunny
then Slight
Chance
Showers
Friday Night
Low: 62 °F
Chance
Showers
Saturday
High: 78 °F
Chance
Showers then
Showers
Likely
Saturday Night
Low: 64 °F
Showers
Likely
Sunday
High: 81 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 61 °F
Chance
T-storms then
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 65. Calm wind.

Thursday

Showers, mainly after 3pm. High near 78. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Showers likely, mainly before 9pm. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

A slight chance of showers after 2pm. Partly sunny, with a high near 79. Northeast wind around 5 mph. Chance of precipitation is 20%.

Friday Night

A chance of showers, mainly after 2am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers likely, mainly before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

Sunday

A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.

Sunday Night

A chance of thunderstorms before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 30%.

Monday

Sunny, with a high near 79.

Monday Night

Mostly clear, with a low around 58.

Tuesday

Sunny, with a high near 79.

Tuesday Night

Partly cloudy, with a low around 60.

Wednesday

A chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 30%.