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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

74°F

23°C

Humidity 62%
Wind Speed S 8 mph
Barometer 29.77 in (1007.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 17 Jun 10:51 pm EDT
Extended Forecast for

Stewartsville NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Southeast wind around 5 mph.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 87. Breezy, with a south wind 10 to 15 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Showers
    Likely then
    Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 61. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 61 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 81. West wind around 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Clear, with a low around 57. West wind around 5 mph.

    Low: 57 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 64. Southeast wind around 5 mph.
Thursday
Showers and thunderstorms likely, mainly before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 87. Breezy, with a south wind 10 to 15 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Increasing clouds, with a low around 61. West wind 5 to 15 mph, with gusts as high as 25 mph.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 81. West wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 57. West wind around 5 mph.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 81.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Monday
Showers. High near 77. Chance of precipitation is 80%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Stewartsville NJ
 40.69°N 75.13°W (Elev. 387 ft)
Last Update:
4:08 pm EDT Jun 17, 2026
Forecast Valid:
11pm EDT Jun 17, 2026-6pm EDT Jun 24, 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