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

Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Current conditions at

Sussex, Sussex Airport (KFWN)

Lat: 41.2°NLon: 74.63°WElev: 410ft.

Overcast

49°F

9°C

Humidity 61%
Wind Speed SW 10 G 20 mph
Barometer 30.18 in (1022.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 30 Mar 8:53 am EDT
Extended Forecast for

Sussex NJ

  • Today

    Today: Isolated showers after 2pm. Partly sunny, with a high near 64. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 64 °F

    Partly Sunny
    then Isolated
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a chance of rain after 2am. Mostly cloudy, with a low around 60. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain and thunderstorms before 11am, then a chance of rain between 11am and 2pm, then rain likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm before 8pm, then a chance of rain and thunderstorms between 8pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.

    High: 58 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.

    Low: 43 °F

    Chance Rain

  • Friday

    Friday: A chance of rain after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.

    High: 72 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Isolated showers after 2pm. Partly sunny, with a high near 64. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.
Tonight
Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A slight chance of showers and thunderstorms before 8pm, then a chance of rain after 2am. Mostly cloudy, with a low around 60. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of rain and thunderstorms before 11am, then a chance of rain between 11am and 2pm, then rain likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain likely and possibly a thunderstorm before 8pm, then a chance of rain and thunderstorms between 8pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of rain. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Friday
A chance of rain after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Sunday
Rain likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex NJ
 41.21°N 74.62°W (Elev. 407 ft)
Last Update:
4:10 am EDT Mar 30, 2026
Forecast Valid:
9am EDT Mar 30, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation