Our Proprietary 10-Day Forecast

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Current warnings over Williston, Vermont
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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 Williston, Vermont 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 Williston, Vermont 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 Chittenden County, VT

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 Williston, Vermont

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 Williston, VT 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 Williston, VT

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 Williston, VT, 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 Williston, Vermont

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 Chittenden County, Vermont

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.
 
Get access to:
  • European ECMWF HRES
  • 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.
 
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Climate Summary
(made with AI, use with caution)
Williston, Vermont has a humid continental climate, characterized by warm, humid summers and cold, snowy winters. The average annual temperature is 44.8°F (7.1°C), with an average high of 61.4°F (16.3°C) and an average low of 28.2°F (-2.1°C).

Summer


Summer in Williston is typically warm and humid, with average temperatures ranging from 65°F (18.3°C) to 85°F (29.4°C). The warmest month is July, with an average temperature of 72.7°F (22.6°C). During the summer months, the humidity is often high, making the weather feel even warmer.

Winter


Winter in Williston is cold and snowy, with average temperatures ranging from 15°F (-9.4°C) to 35°F (1.7°C). The coldest month is January, with an average temperature of 20.5°F (-6.4°C). Snowfall is common during the winter months, with an average annual snowfall of 64.2 inches (163 cm).

Spring and Fall


Spring and fall in Williston are typically mild, with average temperatures ranging from 35°F (1.7°C) to 65°F (18.3°C). During these seasons, the weather can be variable, with periods of warm weather followed by periods of cooler weather.

Precipitation


Williston receives an average of 40.7 inches (103.4 cm) of precipitation per year, which is fairly evenly distributed throughout the year. However, the summer months tend to be the wettest, with an average of 3.6 inches (9.1 cm) of precipitation in July.

Climate Change


Like many other regions around the world, Williston is experiencing the effects of climate change. The average temperature in Williston has increased by about 2°F (1.1°C) since the late 19th century, and the frequency and intensity of extreme weather events, such as heat waves and heavy rainfall, have increased. These changes are expected to continue in the future, making it important for communities to adapt to the changing climate.

Facts & Historical Information
(made with AI, use with caution)
Williston, Vermont, boasts a rich natural and scientific heritage:

  • Ethan Allen Homestead:

    Home to Ethan Allen, a Revolutionary War hero and founder of the Green Mountain Boys. The homestead offers insights into 18th-century Vermont life.

  • Muddy Brook Wildlife Management Area:

    A 1,200-acre sanctuary teeming with diverse wildlife, including moose, deer, and migratory birds. It's a haven for nature enthusiasts and birdwatchers.

  • Mount Philo:

    A 968-foot mountain with breathtaking views of Lake Champlain and the Adirondacks. Its summit trail is popular for hiking and cross-country skiing.

  • Dr. Edward Hitchcock:

    A renowned geologist and educator who lived in Williston in the 19th century. He conducted groundbreaking research on the geology and paleontology of Vermont.

  • Williston Observatory:

    Founded in 1962, this observatory hosts public stargazing events and offers educational programs on astronomy. It's a hub for amateur and professional astronomers.

    • Tourist Attractions
    1.Church Street Marketplace:

    A vibrant pedestrian mall in the heart of Burlington, Vermont, featuring a wide array of shops, restaurants, and entertainment venues.

    2.Shelburne Museum:

    A renowned museum complex housing an extensive collection of American art, artifacts, and natural history exhibits.

    3.Lake Champlain Chocolates:

    A popular chocolate factory and retail store offering tours, tastings, and a wide variety of handmade chocolates.

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