Our Proprietary 10-Day Forecast

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Current warnings over Roy, Utah
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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 Roy, Utah 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 Roy, Utah 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 Weber County, UT

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 Roy, Utah

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 Roy, UT 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 Roy, UT

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 Roy, UT, 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 Roy, Utah

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 Weber County, Utah

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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  • 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.
 
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Climate Summary
(made with AI, use with caution)
Climate Summary for Roy, Utah

Temperature

    •   Average annual temperature: 49.6°F (9.8°C)
    •   Average daily maximum temperature in July: 89.9°F (32.2°C)
    •   Average daily minimum temperature in January: 22.0°F (-5.6°C)
    •   Record highest temperature: 107°F (41.7°C)
    •   Record lowest temperature: -34°F (-36.7°C)

Precipitation

    •   Average annual precipitation: 15.39 inches (391 mm)
    •   Average number of days with precipitation: 76
    •   Average annual snowfall: 52.2 inches (133 cm)
    •   Average number of days with snow: 32

Humidity

    •   Average annual relative humidity: 62%

Wind

    •   Average annual wind speed: 6.9 mph (11.1 km/h)
    •   Prevailing wind direction: West

Climate Classification

    •   Köppen climate classification: Dfb (Warm-summer continental climate)

Climate Summary

Roy, Utah experiences a warm-summer continental climate with distinct seasons. Summers are warm and dry, with average daily maximum temperatures in July reaching 89.9°F (32.2°C). Winters are cold and snowy, with average daily minimum temperatures in January dropping to 22.0°F (-5.6°C). Precipitation is relatively low throughout the year, with an average annual total of 15.39 inches (391 mm). Snowfall is common during the winter months, with an average annual accumulation of 52.2 inches (133 cm). The climate in Roy is generally favorable for outdoor activities year-round, with warm summers ideal for hiking, biking, and camping, and snowy winters perfect for skiing, snowboarding, and snowshoeing.

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

    •   Roy is home to the Great Salt Lake Shorelands Preserve, a vast wetland ecosystem supporting diverse wildlife, including migratory birds and native fish.

    •   The Wasatch Mountains to the east provide stunning views and opportunities for hiking, biking, and skiing.

Science

    •   Hill Air Force Base, located in Roy, is a major center for aerospace research and development.

    •   The Utah State University Roy Campus focuses on science, technology, engineering, and math (STEM) education.

Personalities

    •   Roy was named after Roy A. Young, an early settler and prominent businessman.

    •   The city is known as the \

Tourist Attractions
1.Hill Aerospace Museum

(Roy, UT): This museum showcases the history of aviation and space exploration, with a collection of over 90 aircraft and spacecraft.

2.Great Salt Lake State Park

(West of Roy, UT): This park offers a unique opportunity to explore the Great Salt Lake, the largest saltwater lake in the Western Hemisphere. Visitors can swim, boat, fish, and hike in the park.

3.Antelope Island State Park

(West of Roy, UT): This park is located on Antelope Island in the Great Salt Lake. Visitors can hike, bike, camp, and view wildlife, including bison, pronghorn, and bighorn sheep.

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Hooper, UTSyracuse, UT
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