Our Proprietary 10-Day Forecast

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Current warnings over Mascoutah, 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 Mascoutah, 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 Mascoutah, 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 St. Clair 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 Mascoutah, 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 Mascoutah, 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 Mascoutah, 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 Mascoutah, 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 Mascoutah, 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 St. Clair 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)
Mascoutah, Illinois is located in a humid continental climate zone, which is characterized by hot, humid summers and cold, snowy winters. The average annual temperature is 53.1°F (11.7°C), with an average high of 77.8°F (25.4°C) in July and an average low of 28.4°F (-2.0°C) in January.

Precipitation is fairly evenly distributed throughout the year, with an average of 39.5 inches (100.3 cm) falling annually. However, there is a slight peak in precipitation during the spring and summer months, when thunderstorms are more common.

Snowfall is also common in Mascoutah, with an average of 21.5 inches (54.6 cm) falling each year. Snowfall is typically heaviest in January and February, when the average monthly snowfall is 5.9 inches (15.0 cm) and 5.1 inches (13.0 cm), respectively.

Overall, the climate in Mascoutah is typical of the humid continental climate zone, with hot, humid summers and cold, snowy winters. Precipitation is fairly evenly distributed throughout the year, with a slight peak in the spring and summer months.

Here is a more detailed breakdown of the climate data for Mascoutah, Illinois:

Temperature

    •   Average annual temperature: 53.1°F (11.7°C)
    •   Average high temperature in July: 77.8°F (25.4°C)
    •   Average low temperature in January: 28.4°F (-2.0°C)

Precipitation

    •   Average annual precipitation: 39.5 inches (100.3 cm)
    •   Average monthly precipitation in July: 4.3 inches (10.9 cm)
    •   Average monthly precipitation in January: 2.3 inches (5.8 cm)

Snowfall

    •   Average annual snowfall: 21.5 inches (54.6 cm)
    •   Average monthly snowfall in January: 5.9 inches (15.0 cm)
    •   Average monthly snowfall in February: 5.1 inches (13.0 cm)

Climate Zone

    •   Humid continental climate

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

    •   Mascoutah is home to the largest known intact stand of ancient cypress trees in North America, known as the Cypress Creek National Wildlife Refuge.

    •   The area was once a vast prairie, with herds of buffalo and other wildlife roaming the land.

Science

    •   Mascoutah is the birthplace of Dr. Charles E. Burchfield, a renowned ecologist and botanist.

    •   The city is home to the Mascoutah Environmental Education Center, which provides educational programs on local ecology and conservation.

Personalities

    •   John A. Logan, a Union general during the Civil War, lived in Mascoutah after the war.

    •   Harriet Tubman, the abolitionist and Underground Railroad conductor, is said to have visited Mascoutah during her travels.

    •   The city's namesake, Chief Mascoutah, was a prominent leader of the Kaskaskia tribe who lived in the area during the 18th century.

Tourist Attractions
1.Scott Air Force Base Air Show

(Belleville, IL): An annual event featuring aerial demonstrations, static aircraft displays, and family-friendly activities.

2.Cahokia Mounds State Historic Site

(Collinsville, IL): A UNESCO World Heritage Site with the largest prehistoric earthen mounds in North America, offering guided tours and an interpretive center.

3.Gateway Arch National Park

(St. Louis, MO): A short drive from Mascoutah, this iconic landmark offers stunning views of the Mississippi River and the city skyline, as well as a tram ride to the top.

Nearby Cities:

New Baden, IL
Shiloh, ILLebanon, IL
Freeburg, ILTrenton, IL
Albers, ILBelleville, IL
Swansea, ILNew Athens, IL
Smithton, ILAviston, IL
Fairview Heights, ILOkawville, IL
Germantown, ILSaint Jacob, IL
Caseyville, ILCollinsville, IL
Springfield, IL
Decatur, ILSaint Charles, MO
Saint Peters, MOFlorissant, MO
Chesterfield, MOCape Girardeau, MO
Oakville, MOWildwood, MO
Wentzville, MOUniversity City, MO
Ballwin, MO