Our Proprietary 10-Day Forecast

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Current warnings over Catalina Foothills, Arizona
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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 Catalina Foothills, Arizona 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 Catalina Foothills, Arizona 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 Pima County, AZ

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 Catalina Foothills, Arizona

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 Catalina Foothills, AZ 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 Catalina Foothills, AZ

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 Catalina Foothills, AZ, 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 Catalina Foothills, Arizona

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 Pima County, Arizona

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)
Catalina Foothills, AZ Climate Summary

General Climate

    •   Catalina Foothills, AZ has a hot desert climate, with hot summers and mild winters.
    •   The average annual temperature is 72.2°F (22.3°C).
    •   The average annual precipitation is 12.26 inches (31.1 cm).

Summer

    •   The average summer temperature is 90.4°F (32.4°C).
    •   The average high temperature in July is 100.5°F (38.1°C).
    •   The average low temperature in July is 78.2°F (25.7°C).
    •   The average summer precipitation is 2.26 inches (5.7 cm).

Winter

    •   The average winter temperature is 49.6°F (9.8°C).
    •   The average high temperature in January is 59.3°F (15.2°C).
    •   The average low temperature in January is 39.9°F (4.4°C).
    •   The average winter precipitation is 2.84 inches (7.2 cm).

Precipitation

    •   The average annual precipitation is 12.26 inches (31.1 cm).
    •   The majority of the precipitation falls during the winter months, from December to March.
    •   The driest month is June, with an average precipitation of 0.12 inches (0.3 cm).
    •   The wettest month is February, with an average precipitation of 2.09 inches (5.3 cm).

Other Climate Information

    •   The average annual relative humidity is 36%.
    •   The average annual wind speed is 5.6 mph (9.0 km/h).
    •   The average annual sunshine is 3,110 hours.

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

    •   Catalina Foothills is home to the Santa Catalina Mountains, a sky island ecosystem with diverse flora and fauna.

    •   The area is a transition zone between Sonoran Desert and Madrean Sky Islands habitats, supporting a wide range of plant and animal species.

    •   The foothills are known for their saguaro cacti, which reach their northernmost distribution here.

Science

    •   The University of Arizona's Steward Observatory is located on Kitt Peak in the Catalina Foothills.

    •   The observatory houses the world's largest optical telescope, the Large Binocular Telescope.

    •   Kitt Peak is also a popular destination for amateur astronomers due to its dark skies.

Personalities

    •   The area has been home to notable figures such as:

    •   Barry Goldwater, U.S. Senator and presidential candidate

    •   John McCain, U.S. Senator and presidential candidate

    •   Alice Cooper, rock musician

Tourist Attractions
1.Sabino Canyon Recreation Area:

A scenic canyon with hiking trails, swimming holes, and wildlife viewing opportunities.

2.Mount Lemmon SkyCenter:

An observatory and visitor center located on Mount Lemmon, offering stunning views of the surrounding mountains and the Tucson Basin.

3.Catalina State Park:

A park with hiking trails, picnic areas, and opportunities for wildlife viewing, including javelinas and coyotes.

Nearby Cities:

Tucson, AZ
Casas Adobes, AZSouth Tucson, AZ
Oro Valley, AZTortolita, AZ
Tanque Verde, AZDrexel Heights, AZ
Catalina, AZVail, AZ
Marana, AZSahuarita, AZ
Oracle, AZCorona de Tucson, AZ
Phoenix, AZ
Mesa, AZChandler, AZ
Gilbert, AZGlendale, AZ
Scottsdale, AZMaryvale, AZ
Tempe, AZPeoria, AZ
Deer Valley, AZTempe Junction, AZ
Alhambra, AZ