Our Proprietary 10-Day Forecast

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Current warnings over Palmyra, 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 Palmyra, 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 Palmyra, 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 Marion 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 Palmyra, 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 Palmyra, 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 Palmyra, 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 Palmyra, 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 Palmyra, 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 Marion 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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  • 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)
Palmyra, Missouri

Climate Summary

Palmyra, Missouri, experiences a humid subtropical climate with hot, humid summers and cold, dry winters.

Average Temperatures

    •   January: 29°F (-2°C)
    •   July: 80°F (27°C)
    •   Annual Average: 55°F (13°C)

Average Precipitation

    •   Annual Average: 42 inches (107 cm)
    •   Rainiest Month: May (4.5 inches)
    •   Driest Month: February (2.5 inches)

Average Snowfall

    •   Annual Average: 12 inches (30 cm)
    •   Snowiest Month: January (4.5 inches)

Sunshine

    •   Average Annual Sunshine Hours: 2,600

Growing Season

    •   Average First Frost: October 15th
    •   Average Last Frost: April 15th
    •   Growing Season Length: 200 days

Climate Extremes

    •   Highest Recorded Temperature: 109°F (43°C)
    •   Lowest Recorded Temperature: -23°F (-31°C)
    •   Highest Recorded Precipitation: 13.2 inches (33.5 cm) in May 1943
    •   Highest Recorded Snowfall: 24 inches (61 cm) in February 1978

Climate Impacts

    •   Palmyra's climate supports a variety of agricultural activities, including the cultivation of corn, soybeans, and wheat.
    •   The region is prone to severe thunderstorms, tornadoes, and flooding during the spring and summer months.
    •   The cold winters can be harsh, with occasional snow and ice storms.

Facts & Historical Information
(made with AI, use with caution)
Palmyra, Missouri, holds a rich natural and scientific legacy:

  • Mark Twain's Boyhood Home:

    Palmyra was the childhood home of renowned author Mark Twain (Samuel Clemens). His former residence, now a museum, offers insights into his formative years.

  • Mississippi River Bluffs:

    Palmyra is situated on the bluffs overlooking the Mississippi River, providing breathtaking views of the river valley and its diverse flora and fauna.

  • Palmyra Bend Natural Area:

    This 200-acre preserve protects a unique ecosystem with towering bluffs, bottomland forests, and endangered species like the Indiana bat.

  • Lewis and Clark Expedition:

    Meriwether Lewis and William Clark camped near Palmyra during their westward journey in 1804. They recorded observations of the local flora and fauna in their journals.

  • Dr. John Sappington:

    Palmyra was home to Dr. John Sappington, a pioneering physician and naturalist. He discovered and described several new species of plants and animals, including the Sappingtonia snail.

    • Tourist Attractions
    1.Palmyra Historical Society Museum:

    This museum showcases the history of Palmyra and the surrounding area, with exhibits on local businesses, schools, churches, and more.

    2.Mark Twain Boyhood Home & Museum:

    This museum is dedicated to the life and work of Mark Twain, who spent his boyhood years in Palmyra. Visitors can tour the home where he lived and learn about his early life and influences.

    3.Indian Creek Recreation Area:

    This park offers a variety of outdoor activities, including camping, fishing, boating, and hiking. It is a popular spot for locals and tourists alike to enjoy the natural beauty of the area.

    Nearby Cities:

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    Saint Peters, MOFlorissant, MO
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    Belleville, ILOakville, MO
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