National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Current conditions at

Millville Executive Airport (KMIV)

Lat: 39.37°NLon: 75.08°WElev: 56ft.

Fair

72°F

22°C

Humidity 84%
Wind Speed Calm
Barometer 29.93 in (1013.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 19 Aug 8:54 pm EDT
Extended Forecast for

Collings Lakes NJ

Flood Watch August 20, 12:00pm until August 21, 02:00am
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 83. Calm wind becoming south around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 83 °F

    Chance
    Showers then
    Heavy Rain

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 1am, then a slight chance of showers after 3am. Some of the storms could produce heavy rainfall. Low around 64. Calm wind. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Low: 64 °F

    Heavy Rain
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers after 2pm. Mostly cloudy, with a high near 81. Northeast wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers

  • Saturday Night

    Saturday Night: Showers, mainly before 8pm. Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers then
    Chance
    Showers

  • Sunday

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

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 68. Calm wind.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 83. Calm wind becoming south around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and thunderstorms before 1am, then a slight chance of showers after 3am. Some of the storms could produce heavy rainfall. Low around 64. Calm wind. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 81. 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 65. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers, mainly before 8pm. Low around 66. Chance of precipitation is 80%.
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 63. Chance of precipitation is 30%.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Collings Lakes NJ
 39.59°N 74.88°W (Elev. 82 ft)
Last Update:
9:03 pm EDT Aug 19, 2026
Forecast Valid:
9pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation