Our Proprietary 10-Day Forecast

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Current warnings over Cool Valley, Missouri
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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 Cool Valley, Missouri 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 Cool Valley, Missouri 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 St. Louis County, MO

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 Cool Valley, Missouri

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 Cool Valley, MO 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 Cool Valley, MO

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 Cool Valley, MO, 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 Cool Valley, Missouri

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 St. Louis County, Missouri

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.
 
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Climate Summary
(made with AI, use with caution)
Cool Valley, Missouri Climate Summary

General Climate


    •   Humid subtropical climate with hot, humid summers and mild winters.

Temperature


    •   Average annual temperature: 56.3°F (13.5°C)
    •   Average summer temperature (June-August): 77.6°F (25.3°C)
    •   Average winter temperature (December-February): 34.9°F (1.6°C)
    •   Record high temperature: 110°F (43.3°C)
    •   Record low temperature: -20°F (-28.9°C)

Precipitation


    •   Average annual precipitation: 43.8 inches (111.3 cm)
    •   Average monthly precipitation: 3.6 inches (9.1 cm)
    •   Most precipitation occurs in May and June.

Snowfall


    •   Average annual snowfall: 14.9 inches (37.8 cm)
    •   Snowfall typically occurs from December to February.

Humidity


    •   High humidity throughout the year, especially in summer.
    •   Average relative humidity: 75%

Wind


    •   Prevailing winds from the south and southwest.
    •   Average wind speed: 9 mph (14.5 km/h)

Other Climate Features


    •   Cool Valley is located in USDA Hardiness Zone 6a.
    •   The growing season lasts an average of 190 days.
    •   Occasional severe thunderstorms and tornadoes are possible.

Climate Trends


    •   Temperatures have been increasing slightly over the past few decades.
    •   Precipitation patterns have become more variable, with heavier rainfall events and longer dry spells.

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

    •   Cool Valley is located in the Ozark Plateau, a region known for its rugged topography and karst geology.

    •   The area is home to numerous caves, springs, and sinkholes, including the iconic Devil's Icebox Cave.

    •   The local flora includes oak-hickory forests, with a diverse array of wildflowers and ferns.

Science

    •   Cool Valley is the site of the Ozark Underground Laboratory, a deep underground research facility operated by the Department of Energy.

    •   The laboratory is used to study neutrino physics, dark matter, and other fundamental science questions.

    •   The area is also home to the Missouri Botanical Garden's Shaw Nature Reserve, which conducts research on conservation and ecology.

Personalities

  • Jesse James:

    The infamous outlaw was said to have frequented the Cool Valley area, using it as a hideout.

  • Daniel Boone:

    The legendary frontiersman is believed to have camped in the area during his expeditions.

  • George Washington Carver:

    The renowned agricultural scientist and inventor is said to have visited Cool Valley while working on his research on peanuts.

    • Tourist Attractions
    1.Mark Twain Boyhood Home & Museum

    (Hannibal, MO): Located about 30 miles from Cool Valley, this historic site preserves the boyhood home of renowned author Mark Twain. Visitors can explore the museum, learn about Twain's life and works, and take a guided tour of the home.

    2.Mark Twain Cave Complex

    (Hannibal, MO): Also located near Cool Valley, this cave system is said to have inspired Twain's novel \

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