Our Proprietary 10-Day Forecast

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Current warnings over Harrisburg, Arkansas
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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 Harrisburg, Arkansas 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 Harrisburg, Arkansas 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 Poinsett County, AR

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 Harrisburg, Arkansas

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 Harrisburg, AR 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 Harrisburg, AR

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 Harrisburg, AR, 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 Harrisburg, Arkansas

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 Poinsett County, Arkansas

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)
Harrisburg, Arkansas Climate Summary

General Climate

Harrisburg, Arkansas has a humid subtropical climate, characterized by hot, humid summers and mild, wet winters. The city experiences all four seasons, with average temperatures ranging from 32°F in January to 86°F in July.

Temperature

The average annual temperature in Harrisburg is 62°F. The warmest month is July, with an average temperature of 86°F. The coldest month is January, with an average temperature of 32°F.

Precipitation

Harrisburg receives an average of 52 inches of precipitation per year. The wettest month is May, with an average of 6 inches of rain. The driest month is October, with an average of 2 inches of rain.

Snowfall

Harrisburg receives an average of 5 inches of snow per year. The snowiest month is January, with an average of 2 inches of snow.

Severe Weather

Harrisburg is located in an area that is prone to severe weather, including tornadoes, hail, and thunderstorms. The city is also at risk for flooding.

Climate Change

The climate of Harrisburg is changing, with average temperatures rising and precipitation patterns becoming more extreme. These changes are likely to continue in the future, and they could have a significant impact on the city and its residents.

Additional Information

    •   The Köppen climate classification for Harrisburg is Cfa.
    •   The hardiness zone for Harrisburg is 7b.
    •   The average growing season in Harrisburg is 200 days.
    •   The average frost-free period in Harrisburg is 180 days.

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

    •   Harrisburg is located in the Crowley's Ridge ecoregion, a unique geological formation with diverse flora and fauna.

    •   The area is home to the St. Francis River, a renowned fishing destination for catfish and bass.

    •   Harrisburg is surrounded by wetlands and forests, providing habitat for numerous bird species, including the endangered Ivory-billed Woodpecker.

Science

    •   The Harrisburg meteorite, a 20-pound iron meteorite, was discovered in 1934 and is on display at the Arkansas State University Museum.

    •   The city is home to the Harrisburg National Fish Hatchery, which raises and releases millions of fish into the St. Francis River each year.

Personalities

  • William Faulkner:

    The Nobel Prize-winning author spent his childhood in Harrisburg and drew inspiration from the town and its people for his literary works.

  • Johnny Cash:

    The legendary singer-songwriter performed at the Harrisburg High School gymnasium in 1957, early in his career.

  • George Washington Carver:

    The renowned agricultural scientist and inventor visited Harrisburg in the early 1900s to promote his research on peanuts and sweet potatoes.

    • Tourist Attractions
    1. Crowley's Ridge State Park

    2. Crowley's Ridge Parkway

    3. Harrisburg Museum

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