Our Proprietary 10-Day Forecast

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Current warnings over Hidden Valley Lake, 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 Hidden Valley Lake, 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 Hidden Valley Lake, 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 Lake 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 Hidden Valley Lake, 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 Hidden Valley Lake, 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 Hidden Valley Lake, 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 Hidden Valley Lake, 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 Hidden Valley Lake, 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 Lake 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
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  • 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)
Hidden Valley Lake, CA Climate Summary

General Climate

    •   Hidden Valley Lake, CA has a Mediterranean climate, with hot, dry summers and mild, wet winters.
    •   The average annual temperature is 60.5°F (15.8°C).
    •   The average annual precipitation is 22.6 inches (574 mm).

Summer

    •   The average summer temperature is 85.6°F (29.8°C).
    •   The average high temperature in July is 95°F (35°C).
    •   The average low temperature in July is 66°F (19°C).
    •   The average summer precipitation is 0.7 inches (18 mm).

Winter

    •   The average winter temperature is 45.4°F (7.4°C).
    •   The average high temperature in January is 52°F (11°C).
    •   The average low temperature in January is 39°F (4°C).
    •   The average winter precipitation is 17.1 inches (434 mm).

Spring and Fall

    •   The average spring temperature is 57.6°F (14.2°C).
    •   The average fall temperature is 63.5°F (17.5°C).
    •   The average spring and fall precipitation is 4.8 inches (122 mm).

Climate Variability

    •   Hidden Valley Lake, CA is subject to climate variability, including droughts and floods.
    •   Droughts can occur during any season, but are most common in the summer and fall.
    •   Floods can occur during any season, but are most common in the winter and spring.

Climate Change

    •   The climate of Hidden Valley Lake, CA is changing due to climate change.
    •   The average annual temperature has increased by 1.8°F (1°C) since 1895.
    •   The average annual precipitation has decreased by 2.6 inches (66 mm) since 1895.
    •   The number of days with extreme heat has increased since 1895.
    •   The number of days with heavy precipitation has decreased since 1895.

Climate Impacts

    •   Climate change is having a number of impacts on Hidden Valley Lake, CA, including:
    •   Increased risk of wildfires
    •   Decreased water availability
    •   Increased flooding
    •   Changes in plant and animal life
    •   Increased risk of heat-related illnesses

Adaptation and Mitigation

    •   The community of Hidden Valley Lake, CA is taking steps to adapt to and mitigate the impacts of climate change, including:
    •   Developing a climate action plan
    •   Investing in water conservation measures
    •   Improving flood control infrastructure
    •   Promoting the use of renewable energy
    •   Educating the public about climate change

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

    •   Hidden Valley Lake is a 1,600-acre reservoir nestled in the Mayacamas Mountains.

    •   Its watershed encompasses 14 square miles, including the headwaters of Sulphur Creek and Putah Creek.

    •   The lake is home to a diverse ecosystem, including bass, bluegill, catfish, and waterfowl.

Science

    •   In 1967, the University of California, Davis, established an ecological research station at Hidden Valley Lake.

    •   The station has conducted pioneering research on lake ecology, limnology, and water quality.

    •   Studies have revealed the lake's susceptibility to nutrient enrichment and algal blooms.

Personalities

    •   Dr. Charles Goldman, a renowned limnologist, was instrumental in establishing the research station and studying Hidden Valley Lake.

    •   The lake has been a popular destination for scientists, naturalists, and anglers for decades.

    •   In recent years, the lake has faced challenges from invasive species and climate change, but efforts are underway to preserve its ecological integrity.

Tourist Attractions
1.Boggs Mountain Demonstration Forest

- Located just outside of Hidden Valley Lake, this 2,000-acre forest offers a variety of hiking trails, picnic areas, and scenic overlooks.

2.Anderson Marsh State Historic Park

- This 1,400-acre park is home to a variety of wildlife, including birds, deer, and coyotes. Visitors can enjoy hiking, fishing, and kayaking in the park's many lakes and marshes.

3.Lake Berryessa

- This large lake is located just a short drive from Hidden Valley Lake. Visitors can enjoy swimming, boating, and fishing in the lake's clear waters.

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