Our Proprietary 10-Day Forecast

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Current warnings over Macomb, 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 Macomb, 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 Macomb, 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 McDonough 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 Macomb, 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 Macomb, 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 Macomb, 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 Macomb, 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 Macomb, 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 McDonough 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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  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
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  • American HRRR
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  • GEFS, GEPS, MOGREPS & European Ensembles
  • Probabilities & Averages
  • 3-Ensemble Mean & more!
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)
Macomb, Illinois Climate Summary

General Climate


Macomb, Illinois experiences a humid continental climate, characterized by hot, humid summers and cold, snowy winters. The city is located in the central part of the state, about 100 miles southwest of Chicago.

Temperature


    •   Average Annual Temperature: 50.8°F (10.4°C)
    •   Average Summer Temperature (June-August): 73.3°F (22.9°C)
    •   Average Winter Temperature (December-February): 26.6°F (-3.0°C)
    •   Record Highest Temperature: 114°F (45.6°C)
    •   Record Lowest Temperature: -32°F (-35.6°C)

Precipitation


    •   Average Annual Precipitation: 37.2 inches (94.5 cm)
    •   Average Snowfall: 23.6 inches (60 cm)
    •   Average Number of Rainy Days: 102
    •   Average Number of Snowy Days: 18

Humidity


    •   Average Annual Humidity: 73%
    •   Average Summer Humidity: 78%
    •   Average Winter Humidity: 68%

Wind


    •   Average Annual Wind Speed: 10.2 mph (16.4 km/h)
    •   Prevailing Wind Direction: West

Severe Weather


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

Climate Change


    •   Macomb's climate is changing, with average temperatures rising and precipitation patterns becoming more erratic.
    •   These changes are expected to continue in the future, leading to more extreme weather events and a longer growing season.

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

    •   Macomb is home to the Western Illinois University Biological Field Station, a 250-acre preserve showcasing diverse ecosystems and wildlife.

    •   The city is located on the edge of the Grand Prairie, a vast flatland with rich soil and abundant plant and animal life.

Science

    •   Western Illinois University (WIU) is a research institution with a strong focus on natural sciences, including biology, chemistry, and geology.

    •   WIU's Department of Biological Sciences conducts groundbreaking research in fields such as ecology, conservation, and molecular biology.

Personalities

  • Dr. George Washington Carver:

    The renowned agricultural scientist and inventor lived in Macomb as a child and attended Western Illinois Normal School.

  • Dr. Robert F. Furchgott:

    The Nobel Prize-winning pharmacologist was born in Macomb and graduated from WIU. His research on nitric oxide paved the way for new treatments for cardiovascular disease.

    • Tourist Attractions
    1.Western Illinois University

    is a public university located in Macomb, Illinois. It was founded in 1899 and has an enrollment of over 12,000 students. The university offers a variety of undergraduate and graduate programs, and is known for its strong academic programs in the arts, sciences, and business.

    2.The Macomb Square

    is a historic downtown square that is home to a variety of shops, restaurants, and businesses. The square is also home to the McDonough County Courthouse, which is listed on the National Register of Historic Places.

    3.The Spoon River Valley Scenic Drive

    is a 125-mile drive that follows the Spoon River through the scenic countryside of western Illinois. The drive offers stunning views of the river, the bluffs, and the forests.

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