Our Proprietary 10-Day Forecast

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Current warnings over Jacksonville, 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 Jacksonville, 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 Jacksonville, 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 Morgan 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 Jacksonville, 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 Jacksonville, 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 Jacksonville, 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 Jacksonville, 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 Jacksonville, 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 Morgan 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.
 
Get access to:
  • European ECMWF HRES
  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • 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.
 
See the latest forecast data as the models update.
 
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Climate Summary
(made with AI, use with caution)
Jacksonville, Illinois Climate Summary

General Climate

Jacksonville, Illinois has a humid continental climate, with hot, humid summers and cold, snowy winters. The city experiences all four seasons, with average temperatures ranging from 22°F in January to 79°F in July.

Temperature

    •   Average annual temperature: 52°F
    •   Average summer temperature (June-August): 75°F
    •   Average winter temperature (December-February): 28°F
    •   Record high temperature: 117°F (July 14, 1936)
    •   Record low temperature: -38°F (January 5, 1999)

Precipitation

    •   Average annual precipitation: 39 inches
    •   Average snowfall: 24 inches
    •   Wettest month: May (4.5 inches)
    •   Driest month: February (1.7 inches)

Severe Weather

Jacksonville is located in the Midwest, which is known for its severe weather, including tornadoes, thunderstorms, and hail. The city is also at risk for flooding, especially during the spring and summer months.

Climate Change

The climate in Jacksonville is changing, as it is in many parts of the world. The average annual temperature has increased by about 1°F since the late 19th century, and the city is experiencing more extreme weather events, such as heat waves, droughts, and floods.

Overall

Jacksonville has a humid continental climate, with hot, humid summers and cold, snowy winters. The city experiences all four seasons, with average temperatures ranging from 22°F in January to 79°F in July. Jacksonville is also at risk for severe weather, including tornadoes, thunderstorms, and hail. The climate in Jacksonville is changing, as it is in many parts of the world, with the average annual temperature increasing and the city experiencing more extreme weather events.

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

    •   Jacksonville is home to the Illinois College Natural Areas, a 1,000-acre preserve showcasing diverse habitats, including oak-hickory forests, grasslands, and wetlands.

    •   The city is situated on the Sangamon River, which was once a major transportation route for Native Americans and European settlers.

    •   The Jacksonville Zoo is the oldest zoo in Illinois, established in 1929. It features over 200 species of animals from around the world.

Personalities

    •   Abraham Lincoln practiced law in Jacksonville from 1837 to 1846. His law office is now a museum.

    •   Stephen A. Douglas, Lincoln's political rival, also lived and practiced law in Jacksonville.

    •   Mary Todd Lincoln, Abraham Lincoln's wife, was born and raised in Jacksonville. Her childhood home is now a museum.

Tourist Attractions
1.Scott's Orchard:

A sprawling apple orchard offering apple picking, hayrides, a corn maze, and a petting zoo.

2.Jacksonville Bowl:

A historic bowling alley and entertainment complex with 32 lanes, an arcade, and a restaurant.

3.Illinois School for the Visually Impaired:

A unique educational institution offering tours of its campus, including the Braille Trail and the Sensory Garden.

Nearby Cities:

South Jacksonville, IL
Winchester, ILVirginia, IL
Ashland, ILNew Berlin, IL
Waverly, ILRoodhouse, IL
Meredosia, ILWhite Hall, IL
Beardstown, ILSpringfield, IL
Peoria, ILNorth Peoria, IL
Champaign, ILBloomington, IL
Decatur, ILSaint Charles, MO
Normal, ILSaint Peters, MO
Florissant, MOChesterfield, MO
Urbana, IL