Briefing for Heat, Severe Storm, and Flash Flood Risks through Thursday

Dangerously hot and humid conditions are expected through Wednesday. There is also a threat of isolated severe thunderstorms on Wednesday. Flash flooding from locally heavy rainfall is possible on Thursday. See this briefing for details on these hazards. Read More >

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01°NLon: 74.74°WElev: 584ft.

83°F

28°C

Humidity 74%
Wind Speed Calm
Barometer 30.05 in (1016.7 mb)
Dewpoint 74°F (23°C)
Visibility NA
Heat Index90°F (32°C)
Last update 29 Jul 9:54 am EDT
Extended Forecast for

2 Miles WSW Blairstown NJ

Heat Advisory July 29, 11:00am until July 30, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny and hot, with a high near 97. Heat index values as high as 102. Calm wind becoming west around 5 mph.

    High: 97 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 95. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. Calm wind.  Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 80. Northeast wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 80 °F

    Chance
    T-storms then
    Heavy Rain

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Cloudy, with a low around 63. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

    Low: 63 °F

    Heavy Rain

  • Friday

    Friday: Showers likely, mainly before 8am.  Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 102. Calm wind becoming west around 5 mph.
Tonight
Mostly clear, with a low around 71. Calm wind.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 80. Northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 63. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Friday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 57.
Monday
Mostly sunny, with a high near 83.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Blairstown NJ
 40.96°N 74.99°W (Elev. 607 ft)
4:11 am EDT Jul 29, 2025
10am EDT Jul 29, 2025-6pm EDT Aug 4, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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