Our Proprietary 10-Day Forecast

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Current warnings over Lamar, 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 Lamar, 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 Lamar, 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 Johnson 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 Lamar, 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 Lamar, 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 Lamar, 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 Lamar, 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 Lamar, 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 Johnson 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)
Climate Summary for Lamar, AR

Temperature

    •   Average annual temperature: 62.2°F (16.8°C)
    •   Average summer temperature: 78.3°F (25.7°C)
    •   Average winter temperature: 44.5°F (7.0°C)
    •   Highest recorded temperature: 113°F (45°C)
    •   Lowest recorded temperature: -26°F (-32°C)

Precipitation

    •   Average annual precipitation: 49.2 inches (125 cm)
    •   Average number of rainy days: 108
    •   Heaviest rainfall in 24 hours: 10.5 inches (26.7 cm)
    •   Snowfall: 4.6 inches (12 cm)

Humidity

    •   Average annual relative humidity: 77%
    •   Highest average relative humidity: 85% (January)
    •   Lowest average relative humidity: 65% (October)

Wind

    •   Average annual wind speed: 9.2 mph (14.8 km/h)
    •   Highest average wind speed: 11.3 mph (18.2 km/h) (March)
    •   Lowest average wind speed: 7.8 mph (12.6 km/h) (August)

Climate Classification

    •   Humid subtropical climate (Cfa)

General Climate Description

Lamar, Arkansas has a humid subtropical climate, characterized by hot, humid summers and mild, wet winters. The city experiences moderate precipitation throughout the year, with the wettest months being April and May. Snowfall is rare, but it does occur occasionally.

The hottest months in Lamar are July and August, with average temperatures in the upper 70s to low 80s Fahrenheit (mid to upper 20s Celsius). The coldest months are January and February, with average temperatures in the mid 40s Fahrenheit (7-8 Celsius).

Lamar is located in an area that is prone to severe weather, including thunderstorms, tornadoes, and hail. The city is also at risk for flooding, especially during the spring and summer months.

Overall, Lamar has a pleasant climate with mild winters and hot, humid summers. The city is a popular destination for outdoor recreation, with many opportunities for hiking, biking, fishing, and camping.

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

    •   Lamar is home to the Devil's Den State Park, a 2,500-acre natural area featuring caves, cliffs, and a waterfall.

    •   The park is a haven for wildlife, including black bears, bobcats, and over 100 species of birds.

    •   The Buffalo National River, one of the few remaining free-flowing rivers in the US, flows through Lamar.

Science

    •   The University of Arkansas at Fort Smith has a campus in Lamar, offering programs in science, technology, engineering, and math.

    •   The city is also home to the Arkansas Research and Education Center, which conducts agricultural research and outreach.

Personalities

    •   Lamar was founded in 1872 by a group of settlers led by William H. Lamar, a Confederate general.

    •   The city is named after Mirabeau Lamar, the second president of the Republic of Texas.

    •   Lamar is the birthplace of Johnny Cash, the legendary country music singer.

Tourist Attractions
1.Ozark National Forest:

A vast and beautiful forest with hiking trails, waterfalls, and scenic drives.

2.Mount Magazine State Park:

Home to Arkansas's highest point, Mount Magazine, which offers stunning views of the surrounding mountains and valleys.

3.Petit Jean State Park:

A scenic park with waterfalls, hiking trails, and a historic lodge.

Nearby Cities:

Clarksville, AR
London, ARDover, AR
Coal Hill, ARRussellville, AR
Dardanelle, ARParis, AR
Pottsville, ARLittle Rock, AR
Fort Smith, ARFayetteville, AR
Springdale, ARNorth Little Rock, AR
Conway, ARRogers, AR
Pine Bluff, ARBentonville, AR
Muskogee, OKHot Springs, AR
Hot Springs National Park, AR