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

Monmouth Executive Airport (KBLM)

Lat: 40.18°NLon: 74.13°WElev: 157ft.

Fair

80°F

27°C

Humidity	85%
Wind Speed	SE 3 mph
Barometer	29.92 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	19 Aug 6:56 pm EDT

More Information:

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

Extended Forecast for

2 Miles SSW Robertsville NJ

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

Click here for hazard details and duration

Flood Watch

Tonight
Low: 68 °F
Partly Cloudy
Thursday
High: 82 °F
Mostly Sunny
then Heavy
Rain
Thursday Night
Low: 65 °F
Heavy Rain
then Slight
Chance
Showers
Friday
High: 80 °F
Chance
Showers
Friday Night
Low: 67 °F
Chance
Showers
Saturday
High: 79 °F
Showers
Likely
Saturday Night
Low: 67 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 84 °F
Partly Sunny
then Chance
T-storms
Sunday Night
Low: 64 °F
Chance
T-storms then
Mostly Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 68. Calm wind.

Thursday

Showers likely and possibly a thunderstorm, mainly after 2pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 82. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

Thursday Night

Showers and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and 2am. Some of the storms could produce heavy rainfall. Low around 65. Northeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Friday

A chance of showers, mainly after 2pm. Partly sunny, with a high near 80. Northeast wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

A chance of showers. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 79. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.

Sunday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.

Sunday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

Monday

Sunny, with a high near 83.

Monday Night

Mostly clear, with a low around 62.

Tuesday

Sunny, with a high near 82.

Tuesday Night

Partly cloudy, with a low around 63.