Our Proprietary 10-Day Forecast

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Current warnings over Carlinville, 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 Carlinville, 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 Carlinville, 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 Macoupin 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 Carlinville, 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 Carlinville, 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 Carlinville, 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 Carlinville, 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 Carlinville, 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 Macoupin 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)
    •   Average Annual Temperature

53.4°F (11.9°C)

    •   Average Annual High Temperature

64.8°F (18.2°C)

    •   Average Annual Low Temperature

42.0°F (5.6°C)

    •   Average Annual Precipitation

38.19 inches (970.2 mm)

    •   Average Annual Snowfall

20.5 inches (52.1 cm)

    •   Average Number of Sunny Days

204

    •   Average Number of Rainy Days

104

    •   Average Number of Snowy Days

16

    •   Average Relative Humidity

74%

Climate Summary

Carlinville, Illinois has a humid continental climate with hot, humid summers and cold, snowy winters. The average annual temperature is 53.4°F (11.9°C), with average high temperatures in the summer reaching into the mid-80s (°F) and average low temperatures in the winter dropping into the mid-20s (°F). Precipitation is fairly evenly distributed throughout the year, with an average annual rainfall of 38.19 inches (970.2 mm) and an average annual snowfall of 20.5 inches (52.1 cm). Carlinville experiences an average of 204 sunny days and 104 rainy days each year.

Summer

Summers in Carlinville are hot and humid, with average high temperatures in the mid-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 87.8°F (31°C) and an average low temperature of 67.7°F (19.8°C). Heat waves are common during the summer months, with temperatures sometimes reaching into the 100s (°F).

Winter

Winters in Carlinville are cold and snowy, with average high temperatures in the mid-30s (°F) and average low temperatures in the mid-20s (°F). The coldest month of the year is January, with an average high temperature of 34.3°F (1.3°C) and an average low temperature of 19.9°F (-6.7°C). Snowfall is common during the winter months, with an average annual snowfall of 20.5 inches (52.1 cm). Blizzards and ice storms are also possible during the winter months.

Spring and Fall

Spring and fall in Carlinville are mild and pleasant, with average high temperatures in the 60s and 70s (°F) and average low temperatures in the 40s and 50s (°F). These seasons are generally dry, with less precipitation than the summer and winter months.

Overall

Carlinville, Illinois has a humid continental climate with hot, humid summers and cold, snowy winters. The weather can be unpredictable, with sudden changes in temperature and precipitation. However, the area is generally known for its pleasant spring and fall seasons.

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

    •   Carlinville's unique topography features the Carlinville Hills, a series of sandstone bluffs and ravines formed by glacial erosion.

    •   The area is home to the Carlinville Black Shale, a fossil-rich geological formation dating back 350 million years.

Science

    •   The city is the birthplace of Dr. Charles A. Lindbergh, the famed aviator who made the first solo transatlantic flight in 1927.

    •   Carlinville is home to the Blackburn College Observatory, which has been conducting astronomical research since 1913.

Personalities

    •   Carlinville was the hometown of abolitionist Elijah P. Lovejoy, who was killed by a mob while defending his anti-slavery newspaper in 1837.

    •   The city is also associated with the \

Tourist Attractions
1. Carlinville Square Historic District

2. Macoupin County Historical Society Museum

3. Carlinville Lake

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