Our Proprietary 10-Day Forecast

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Current warnings over Pioneer, California
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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 Pioneer, California 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 Pioneer, California 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 Siskiyou County, CA

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 Pioneer, California

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 Pioneer, CA 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 Pioneer, CA

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 Pioneer, CA, 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 Pioneer, California

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 Siskiyou County, California

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.
 
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Climate Summary
(made with AI, use with caution)
Pioneer, CA Climate Summary

General Climate

    •   Pioneer, CA has a Mediterranean climate, with warm, dry summers and mild, wet winters.
    •   The average annual temperature is 55.6°F (13.1°C).
    •   The average annual precipitation is 31.24 inches (793.5 mm).

Temperature

    •   The average temperature in January, the coldest month, is 42.7°F (5.9°C).
    •   The average temperature in July, the warmest month, is 72.4°F (22.4°C).
    •   The record high temperature is 110°F (43.3°C), set on July 22, 1988.
    •   The record low temperature is -10°F (-23.3°C), set on January 21, 1937.

Precipitation

    •   The average annual precipitation is 31.24 inches (793.5 mm).
    •   The majority of the precipitation falls between October and April.
    •   The wettest month is January, with an average precipitation of 4.93 inches (125.2 mm).
    •   The driest month is July, with an average precipitation of 0.06 inches (1.5 mm).

Other Climate Data

    •   The average annual snowfall is 1.9 inches (4.8 cm).
    •   The average number of days with measurable precipitation is 63.
    •   The average relative humidity is 68%.
    •   The average wind speed is 7.2 mph (11.6 km/h).

Climate Change

    •   The climate of Pioneer, CA is changing, and the changes are expected to continue in the future.
    •   The average annual temperature is expected to increase by 2.5°F (1.4°C) by the end of the century.
    •   The average annual precipitation is expected to decrease by 10% by the end of the century.
    •   These changes are expected to have a number of impacts on the region, including more extreme weather events, such as heat waves, droughts, and floods.

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

    •   Pioneer is home to the Cosumnes River Preserve, a 46,000-acre mosaic of wetlands, grasslands, and oak woodlands.

    •   The preserve is a haven for wildlife, including over 250 bird species, 40 mammal species, and 20 reptile and amphibian species.

    •   The Cosumnes River is a vital waterway that supports a diverse ecosystem, including native fish, frogs, and turtles.

Science

    •   Pioneer is the site of the Lawrence Livermore National Laboratory (LLNL), a world-renowned research facility.

    •   LLNL has made significant contributions to nuclear physics, energy security, and environmental science.

    •   The lab's scientists have developed groundbreaking technologies, such as lasers and supercomputers.

Personalities

    •   John Muir, the renowned naturalist and conservationist, spent time in Pioneer in the 1870s.

    •   Muir was inspired by the beauty of the Cosumnes River and its surrounding landscape.

    •   His writings and advocacy helped establish the Yosemite Valley and other national parks.

Tourist Attractions
1.Moaning Caverns Adventure Park

is a popular tourist destination located just outside of Pioneer, CA. The park features a variety of attractions, including a cave tour, zip lines, and a ropes course.

2.Calaveras Big Trees State Park

is home to some of the largest and oldest sequoia trees in the world. The park offers a variety of hiking trails, picnic areas, and camping sites.

3.Murphys Historic District

is a charming gold rush town located a short drive from Pioneer. The district features a variety of shops, restaurants, and historic buildings.

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