Our Proprietary 10-Day Forecast

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Current warnings over Long Valley, New Jersey
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<p>Warnings from F5Weather</a></div>

United States weather warnings are issued by various organizations under NOAA. Most from the National Weather Service, but also Storm Prediction Center and National Hurricane Center.

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Current radar over Long Valley, New Jersey red dot
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<p>Live radar from F5Weather</a></div>

Our radar is based off of US NEXRAD and Canadian weather radar sites through the quality controlled MRMS system. It compiles various sources for radar data and filters out erroneous returns such as sun spikes and ground clutter. We then colorize the precipitation based on our methods for determining precipitation type. Rain is in shades of green, mixed precipitation and freezing rain in shades of pink and snow is in shades of blue.

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Current satellite over Long Valley, New Jersey red dot
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<p>Live satellite from F5Weather</a></div>

Our satellite is from the GOES-16. It is color enhanced by using a geocolor terrain background during the day and black marble city lights at night. The daytime satellite data is Visible satellite imagery, and nighttime uses Infrared bands. The bluish clouds are fog and low cloud. The whiteest clouds are the coldest, highest cloud tops.

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Current surface weather map around Morris County, NJ

This surface map is from the HRRR computer model. It is a 1-hour forecast, updated hourly, which is a good estimate of the current surface conditions. This map shows the current high and low pressure centers, pressure isobar contours, wind streamlines and thickness contours. It also shows the currently depicted preciptiation estimates, although this should not be a substitute for actual live radar. The purple dashed contour is the 5400m thickness line, which is often a good proxy for the rain/snow line.

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Temperatures right now near Long Valley, New Jersey

This is the latest surface temperatures as depicted by the HRRR computer model, updated hourly. Although these are not actual observations, this model is a very good representation of current conditions as it factors in observations, terrain and physics to give you more detailed temperatures in areas that do not have reporting weather stations. For the latest reports at specific locations, like in Long Valley, NJ please see our current conditions data on the left and right side of this page, or go to our current conditions page.

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Surface wind speed map over Long Valley, NJ

This map shows the latest HRRR computer model winds. This depiction of the current wind directions and speeds is an estimate from the computer model. For actual observations in Long Valley, NJ, see the current conditions data on the left and right side of this page, or go to our current conditions page.

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Regional 24 hour rainfall expected near Long Valley, New Jersey

This is a forecast of the amount of precipitation expected over the next 24 hours from the HRRR weather forecast model. This is only one forecast depiction, and you should check other models to get a better idea of what may happen. You can view this and other models in more detail on our main weather forecast maps page. There, you will also be able to look at forecasts beyond just 24 hours and look at forecasts out to as far as 16 days.

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Area snowfall accumulation expected around Morris County, New Jersey

This is snowfall forecast, with amounts anticipated in the next 24 hours. This guidance is from the HRRR weather model. For more model forecasts out to 16 days, visit our main weather forecast maps page.

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These are Convective Outlooks from the Storm Prediction Center. Click to see Days 1-3 broken down into Tornado, Wind and Hail threats, as well as days 5-8 outlooks.

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Atlantic Hurricane and Tropical Storm Tracking Map
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<p>Hurricane Tracking from F5Weather</a></div>

Our hurricane tracking map monitors for any current or forecast tropical disturbances in the Atlantic. (See our Pacific Hurricane Tracker) Various hurricane models will draw a 'spaghetti plot' in the Atlantic Basin when a disturbance is forecast or exists, showing the system's forecast track. Once a storm has developed, the National Hurricane Center will forecast their official track. This will show up on the map along with the storm's current intensity, track and name. We will also plot some of the storm's vitals and of course the spaghetti plots from the models along with the NHC forecast track will give you an idea of where it's heading, and its forecast intensity with time.

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To view the latest computer models, visit f5wx.com for access to the weather maps and guidance that meteorologists use to make their forecasts.
 
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  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • GEFS, GEPS, MOGREPS & European Ensembles
  • Probabilities & Averages
  • 3-Ensemble Mean & more!
View Skew-T soundings, textual data tables for your location, and of course maps! Weather forecast maps of the basics like temperature, wind, pressure, humidity, dew point, cloud cover, simulated radar, travel weather, rainfall and snow are available. More advanced users can also get use out of our severe weather & tornado threat maps, as well as upper air & shear graphics.
 
See the latest forecast data as the models update.
 
F5Weather Maps

Climate Summary
(made with AI, use with caution)
Long Valley, New Jersey Climate Summary

General Climate

    •   Humid subtropical climate with hot, humid summers and cold, snowy winters.
    •   Four distinct seasons.

Temperature

    •   Average Annual Temperature

52.6°F (11.4°C)

    •   Average Summer Temperature (June-August)

74.1°F (23.4°C)

    •   Average Winter Temperature (December-February)

29.6°F (-1.3°C)

    •   Record High Temperature

102°F (38.9°C)

    •   Record Low Temperature

-15°F (-26.1°C)

Precipitation

    •   Average Annual Precipitation

47.7 inches (1211 mm)

    •   Average Snowfall

26.1 inches (663 mm)

    •   Wettest Month

July (4.9 inches/124 mm)

    •   Driest Month

February (2.7 inches/69 mm)

Humidity

    •   High humidity throughout the year, especially in summer.
    •   Average relative humidity: 70%

Wind

    •   Prevailing wind direction: Northwest
    •   Average wind speed: 9.2 mph (14.8 km/h)

Sunshine

    •   Average Annual Sunshine

2,600 hours

    •   Sunniest Month

July (300 hours)

    •   Cloudiest Month

December (160 hours)

Growing Season

    •   Average First Frost

October 22

    •   Average Last Frost

April 20

    •   Average Growing Season Length

180 days

Climate Extremes

    •   Heat Waves

Occasional heat waves with temperatures exceeding 90°F (32.2°C) for several days.

    •   Cold Snaps

Cold snaps with temperatures below freezing for extended periods.

    •   Snowstorms

Snowstorms can occur from November to March, occasionally bringing heavy snowfall.

    •   Tornadoes

Rare but possible, especially during spring and summer.

    •   Hurricanes

Can impact the area indirectly with heavy rain and winds.

Facts & Historical Information
(made with AI, use with caution)
Natural History

    •   Long Valley is located within the Raritan Valley Province, a region characterized by rolling hills and fertile soils.

    •   The area was shaped by volcanic activity millions of years ago, creating the Long Valley Caldera, a 20-mile-wide depression.

    •   The caldera is home to numerous lakes, including Lake Hopatcong, the largest freshwater lake in New Jersey.

Science

    •   Long Valley is a hub for scientific research at the New Jersey Meadowlands Commission's Meadowlands Environmental Center.

    •   The center conducts studies on wetlands ecology, water quality, and wildlife conservation.

    •   The area is also home to the Rutgers University Agricultural Research and Extension Center, which focuses on agricultural research and education.

Personalities

    •   Thomas Edison, the inventor of the light bulb, had a laboratory in Long Valley in the late 19th century.

    •   The artist George Inness painted several landscapes in the Long Valley area.

    •   The writer Henry Miller lived in Long Valley in the 1960s and 70s.

Tourist Attractions
1.Long Valley Winery

is a family-owned and operated winery that offers wine tastings, tours, and special events. The winery is located in the heart of the Long Valley wine region, and its wines have won numerous awards.

2.The Great Swamp National Wildlife Refuge

is a 7,700-acre refuge that is home to a variety of wildlife, including birds, deer, and turtles. The refuge offers hiking trails, canoeing, and fishing.

3.The Morris Museum

is a museum of art, history, and science that is located in Morristown, NJ. The museum has a collection of over 20,000 objects, including paintings, sculptures, and artifacts.

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