Our Proprietary 10-Day Forecast

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Current warnings over Van Alstyne, Texas
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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 Van Alstyne, Texas 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 Van Alstyne, Texas 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 Grayson County, TX

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 Van Alstyne, Texas

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 Van Alstyne, TX 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 Van Alstyne, TX

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 Van Alstyne, TX, 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 Van Alstyne, Texas

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 Grayson County, Texas

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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  • Canadian GDPS GEM
  • German DWD ICON
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  • GEFS, GEPS, MOGREPS & European Ensembles
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  • 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)
Van Alstyne, TX Climate Summary

General Climate

    •   Van Alstyne, TX has a humid subtropical climate, with hot, humid summers and mild winters.
    •   The average annual temperature is 64.2°F (17.9°C).
    •   The average annual precipitation is 37.6 inches (955 mm).

Summer

    •   The average summer temperature is 80.6°F (27°C).
    •   The average high temperature in July is 95°F (35°C).
    •   The average low temperature in July is 70°F (21°C).
    •   The average summer precipitation is 10.2 inches (259 mm).

Winter

    •   The average winter temperature is 47.8°F (8.8°C).
    •   The average high temperature in January is 55°F (13°C).
    •   The average low temperature in January is 39°F (4°C).
    •   The average winter precipitation is 8.6 inches (218 mm).

Spring and Fall

    •   The average spring temperature is 62.6°F (17°C).
    •   The average fall temperature is 62.6°F (17°C).
    •   The average spring precipitation is 9.4 inches (239 mm).
    •   The average fall precipitation is 9.4 inches (239 mm).

Extreme Weather

    •   Van Alstyne, TX is occasionally affected by severe weather, such as thunderstorms, tornadoes, and hail.
    •   The area is also at risk for flooding.

Climate Change

    •   The climate in Van Alstyne, TX is changing, with average temperatures rising and precipitation patterns changing.
    •   These changes are expected to continue in the future, with more extreme weather events and longer periods of drought.

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

    •   Van Alstyne is located in the Blackland Prairie ecoregion, known for its fertile soil and diverse plant life.

    •   The city is home to the Van Alstyne Nature Preserve, a 130-acre park with hiking trails, a pond, and a variety of native flora and fauna.

Science

    •   Van Alstyne was a hub for cotton production in the late 19th century. The city's Farmers Gin Company was one of the largest cotton gins in the state.

    •   In the 1950s, Van Alstyne became a center for the electronics industry. The city was home to several major electronics manufacturers, including Texas Instruments and Raytheon.

Personalities

  • Sam Rayburn:

    The longest-serving Speaker of the U.S. House of Representatives was born in Van Alstyne in 1882.

  • Tom Landry:

    The legendary Dallas Cowboys coach spent his childhood in Van Alstyne.

  • Dr. Charles H. Mayo:

    One of the founders of the Mayo Clinic was born in Van Alstyne in 1865.

    • Tourist Attractions
    1.Heard Natural Science Museum & Wildlife Sanctuary

    (McKinney, TX): A 289-acre nature preserve with over 200 species of animals, including lions, tigers, bears, and primates.

    2.Erwin Park

    (Van Alstyne, TX): A 120-acre park with a lake, playground, picnic areas, and hiking trails.

    3.Heard-Craig Center for the Arts

    (McKinney, TX): An art gallery and performance venue that hosts exhibitions, concerts, and classes.

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