Our Proprietary 10-Day Forecast

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Current warnings over McLeansboro, Illinois
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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 McLeansboro, Illinois 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 McLeansboro, Illinois 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 Hamilton County, IL

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 McLeansboro, Illinois

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 McLeansboro, IL 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 McLeansboro, IL

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 McLeansboro, IL, 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 McLeansboro, Illinois

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 Hamilton County, Illinois

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)
## McLeansboro, Illinois Climate Summary

McLeansboro, Illinois, located in Hamilton County, experiences a humid continental climate, characterized by hot, humid summers and cold, dry winters. Here's a summary of the climate conditions in McLeansboro:

Temperature


    •   Summer (June-August): Average high temperatures range from 84°F (29°C) to 88°F (31°C), while average low temperatures are typically between 61°F (16°C) and 65°F (18°C).
    •   Winter (December-February): Average high temperatures range from 36°F (2°C) to 40°F (4°C), and average low temperatures fall between 16°F (-9°C) and 20°F (-7°C).

Precipitation


    •   Annual Precipitation: McLeansboro receives an average of 43 inches (109 centimeters) of precipitation per year, distributed fairly evenly throughout the year.
    •   Summer (June-August): Summer months tend to be the wettest, with average monthly precipitation ranging from 3.5 to 4.5 inches (9 to 11 centimeters).
    •   Winter (December-February): Winter months are relatively dry, with average monthly precipitation around 2 inches (5 centimeters).

Snowfall


    •   Annual Snowfall: McLeansboro typically receives around 16 inches (41 centimeters) of snowfall annually.
    •   Winter (December-February): The majority of snowfall occurs during the winter months, with an average of 5 to 7 inches (13 to 18 centimeters) of snow per month.

Humidity


    •   Humidity levels in McLeansboro are generally high throughout the year, with average relative humidity ranging from 70% to 80%.
    •   Summer months tend to be more humid, with relative humidity often exceeding 80%.

Wind


    •   Average Wind Speed: The average wind speed in McLeansboro is around 10 miles per hour (16 kilometers per hour).
    •   Prevailing Winds: The prevailing wind direction is from the southwest.

Severe Weather


    •   Tornadoes: McLeansboro is located in an area with a moderate risk of tornadoes.
    •   Thunderstorms: Thunderstorms are common during the summer months, sometimes accompanied by heavy rain, lightning, and hail.
    •   Winter Storms: McLeansboro can experience occasional winter storms, bringing snow, ice, and strong winds.

Overall, McLeansboro's climate is characterized by hot, humid summers, cold, dry winters, and moderate precipitation throughout the year.

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

    •   Mcleansboro is situated on the edge of the Shawnee National Forest, home to diverse flora and fauna, including black bears, bobcats, and hundreds of bird species.

    •   The nearby Cave-in-Rock is a natural sandstone cave that has been inhabited for thousands of years and is now a National Historic Landmark.

Science

    •   The town is home to Rend Lake College, which has a strong science program and offers degrees in biology, chemistry, and environmental science.

    •   Rend Lake College also operates the Rend Lake College Observatory, which is open to the public for stargazing and educational programs.

Personalities

    •   Mcleansboro was the birthplace of Nobel Prize-winning physicist James Rainwater, who made significant contributions to nuclear physics.

    •   The town was also home to author and poet Paul Angle, who wrote extensively about the American Midwest.

Tourist Attractions
1.Rend Lake Resort:

A sprawling resort complex offering a variety of outdoor activities, including boating, fishing, swimming, and hiking.

2.Fort Massac State Park:

A historic site featuring the remains of an 18th-century French fort, as well as hiking trails and a picnic area.

3.Hamilton County Courthouse:

A historic courthouse built in 1859, which is listed on the National Register of Historic Places.

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Owensboro, KYFlorissant, MO
Chesterfield, MOBelleville, IL
Cape Girardeau, MOOakville, MO
Wildwood, MOUniversity City, MO
Hopkinsville, KY