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Current warnings over Saint Ann, 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 Saint Ann, 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 Saint Ann, 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 Saint Ann, 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 Saint Ann, 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 Saint Ann, 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 Saint Ann, 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 Saint Ann, 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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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)
Saint Ann, Missouri

Climate Summary

Saint Ann, Missouri experiences a humid continental climate, characterized by hot, humid summers and cold, snowy winters.

Temperature

    •   Average Annual Temperature

55.7°F (13.2°C)

    •   Average Summer Temperature (June-August)

77.6°F (25.3°C)

    •   Average Winter Temperature (December-February)

32.2°F (0.1°C)

    •   Record High Temperature

108°F (42°C)

    •   Record Low Temperature

-23°F (-31°C)

Precipitation

    •   Average Annual Precipitation

39.8 inches (1011 mm)

    •   Average Snowfall

18.3 inches (46 cm)

    •   Wettest Month

May (4.6 inches)

    •   Driest Month

February (1.7 inches)

Humidity

    •   Average Relative Humidity

71%

    •   High Humidity Months

May-September (75-80%)

    •   Low Humidity Months

January-April (65-70%)

Wind

    •   Average Wind Speed

10.2 mph (16.4 km/h)

    •   Prevailing Wind Direction

South-southeast

Sunshine

    •   Average Annual Sunshine

2,138 hours

    •   Sunniest Month

July (307 hours)

    •   Cloudiest Month

December (152 hours)

Seasonal Characteristics

    •   Spring (March-May)

Mild temperatures, increasing precipitation, and occasional thunderstorms.

    •   Summer (June-August)

Hot and humid with frequent thunderstorms and occasional heat waves.

    •   Autumn (September-November)

Pleasant temperatures, decreasing precipitation, and vibrant fall foliage.

    •   Winter (December-February)

Cold and snowy, with occasional ice storms and sub-freezing temperatures.

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

    •   Saint Ann lies within the Mississippi Flyway, a major migratory route for birds.

    •   The area was once home to vast prairies, now largely converted to urban development.

    •   The nearby Creve Coeur Lake is a natural lake and a popular spot for birdwatching and fishing.

Science

    •   Saint Ann is home to the Donald Danforth Plant Science Center, a renowned research institute focused on plant biology.

    •   The city is also the site of the Saint Louis Zoo's WildCare Institute, which provides wildlife rehabilitation and conservation services.

Personalities

    •   Saint Ann was named after Anne, the mother of Mary, the mother of Jesus.

    •   The city was founded in 1849 by a group of German immigrants.

    •   Notable residents have included:

    •   Dr. George Washington Carver, renowned agricultural scientist

    •   Dr. Jonas Salk, developer of the polio vaccine

    •   Dr. Norman Borlaug, Nobel Prize-winning agricultural scientist

Tourist Attractions
1. Six Flags St. Louis

2. Faust Park

3. Grants Farm

Nearby Cities:

Breckenridge Hills, MO
Woodson Terrace, MOOverland, MO
Saint John, MOSaint Johns, MO
Charlack, MOMaryland Heights, MO
Vinita Park, MOBel-Ridge, MO
Berkeley, MOHazelwood, MO
Bel-Nor, MOBridgeton, MO
Olivette, MOCool Valley, MO
Hanley Hills, MOFerguson, MO
Columbia, MO
Springfield, ILDecatur, IL
Saint Charles, MOSaint Peters, MO
Florissant, MOChesterfield, MO
Jefferson City, MOBelleville, IL
Quincy, ILCape Girardeau, MO
Oakville, MO