Our Proprietary 10-Day Forecast

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Current warnings over Marshalltown, Iowa
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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 Marshalltown, Iowa 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 Marshalltown, Iowa 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 Marshall County, IA

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 Marshalltown, Iowa

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 Marshalltown, IA 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 Marshalltown, IA

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 Marshalltown, IA, 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 Marshalltown, Iowa

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 Marshall County, Iowa

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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  • Canadian GDPS GEM
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  • GEFS, GEPS, MOGREPS & European Ensembles
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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)
    •   Average Annual Temperature

47.2°F (8.4°C)

    •   Average Annual High Temperature

57.1°F (13.9°C)

    •   Average Annual Low Temperature

37.3°F (2.9°C)

    •   Average Annual Precipitation

34.04 inches (865 mm)

    •   Average Annual Snowfall

34.5 inches (88 cm)

    •   Average Number of Days with Precipitation

104

    •   Average Number of Days with Snow

23

    •   Average Number of Days with Measurable Snowfall

13

    •   Average Annual Sunshine

2,368 hours

    •   Average Daily Sunshine

6.5 hours

    •   Average Relative Humidity

73%

Climate Overview

Marshalltown, Iowa has a humid continental climate, with hot, humid summers and cold, snowy winters. The average annual temperature is 47.2°F (8.4°C), with average high temperatures in the upper 50s and 60s (°F) during the summer months and average low temperatures in the upper 20s and 30s (°F) during the winter months. Precipitation is fairly evenly distributed throughout the year, with an average annual total of 34.04 inches (865 mm). Snowfall is also fairly common, with an average annual total of 34.5 inches (88 cm).

Summer

Summers in Marshalltown are hot and humid, with average high temperatures in the upper 80s (°F) and average low temperatures in the mid-60s (°F). The hottest month of the year is July, with an average high temperature of 88°F (31°C) and an average low temperature of 68°F (20°C). Thunderstorms are common during the summer months, and severe weather, such as tornadoes and hail, can also occur.

Winter

Winters in Marshalltown are cold and snowy, with average high temperatures in the mid-30s (°F) and average low temperatures in the mid-teens (°F). The coldest month of the year is January, with an average high temperature of 30°F (-1°C) and an average low temperature of 12°F (-11°C). Snowfall is common during the winter months, with an average annual total of 34.5 inches (88 cm). Blizzards and ice storms can also occur during the winter months.

Spring and Fall

Spring and fall in Marshalltown are generally mild, with average high temperatures in the 50s and 60s (°F) and average low temperatures in the 30s and 40s (°F). Spring is typically a wet season, with more frequent precipitation than other times of the year. Fall is typically a dry season, with less frequent precipitation.

Overall

Marshalltown, Iowa has a humid continental climate, with hot, humid summers and cold, snowy winters. The average annual temperature is 47.2°F (8.4°C), with average annual precipitation of 34.04 inches (865 mm) and average annual snowfall of 34.5 inches (88 cm).

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

    •   Marshalltown is located in the heart of the Central Flyway, a major migratory bird route.

    •   The Iowa River Valley National Scenic Byway, which passes through Marshalltown, is home to diverse flora and fauna, including bald eagles, river otters, and white-tailed deer.

    •   The city's Grimes Farm Wetland Preserve protects over 200 acres of restored prairie and wetland habitat.

Science

    •   Marshalltown is home to the Iowa Veterans Home, which houses the Iowa Veterans Museum and its extensive collection of military artifacts and historical documents.

    •   The city's Fisher Community Center hosts educational programs and exhibits on science, technology, and the arts.

    •   Marshalltown native George Washington Carver, a renowned agricultural scientist, developed hundreds of uses for peanuts and soybeans.

Personalities

    •   Bob Feller, a Hall of Fame pitcher for the Cleveland Indians, was born in Marshalltown.

    •   Grant Wood, the renowned American artist known for \

Tourist Attractions
1.Marshalltown Veterans Memorial Coliseum

- This historic coliseum is home to the Iowa Veterans Museum and the Marshalltown Symphony Orchestra. It also hosts a variety of events throughout the year, including concerts, sporting events, and trade shows.

2.Fisher Community Center

- This community center offers a variety of recreational activities for all ages, including a fitness center, swimming pool, gymnasium, and game room. It also has a number of meeting rooms and event spaces available for rent.

3.Central Iowa Expo

- This annual event showcases the latest in agriculture, industry, and technology. It features a variety of exhibits, demonstrations, and competitions, as well as food vendors and entertainment.

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Conrad, IA
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Eldora, IANewton, IA
Des Moines, IA
Cedar Rapids, IAIowa City, IA
Waterloo, IAAmes, IA
West Des Moines, IADubuque, IA
Ankeny, IAUrbandale, IA
Cedar Falls, IAMarion, IA
Mason City, IA