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

Dangerous Heat Wave Continues; Enhanced Area of Severe Thunderstorms Today

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Widespread moderate to extreme HeatRisk is forecast. Scattered wind damage and large hail are expected from severe thunderstorms impacting parts of Nebraska into Iowa today. Read More >

Hazardous Weather Conditions

Current conditions at

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Fair

96°F

36°C

Humidity 41%
Wind Speed Vrbl 6 mph
Barometer 30.00 in (1015.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 3 Jul 12:53 pm EDT
Extended Forecast for

Port Jervis NY

Extreme Heat Warning July 3, 01:19pm until July 4, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 3, 01:19pm until July 4, 09:00pm

    NOW until 9:00pm Sat

    Extreme Heat Warning

  • This Afternoon

    High: 100 °F

    Hot

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 71. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Independence Day

    Independence Day: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 98. Northwest wind 5 to 8 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Increasing clouds, with a low around 66. Light northwest wind. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 86. Light east wind. Chance of precipitation is 50%.

    High: 86 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 80. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 100. Heat index values as high as 106. West wind around 7 mph.
Tonight
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 71. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Independence Day
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 98. Northwest wind 5 to 8 mph.
Saturday Night
A chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Increasing clouds, with a low around 66. Light northwest wind. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 86. Light east wind. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers, with thunderstorms also possible after 2pm. High near 80. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Jervis NY
 41.39°N 74.7°W (Elev. 909 ft)
Last Update:
5:22 am EDT Jul 3, 2026
Forecast Valid:
1pm EDT Jul 3, 2026-6pm EDT Jul 9, 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