Our Proprietary 10-Day Forecast

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Current warnings over Jerseyville, 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 Jerseyville, 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 Jerseyville, 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 Jersey 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 Jerseyville, 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 Jerseyville, 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 Jerseyville, 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 Jerseyville, 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 Jerseyville, 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 Jersey 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:
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  • 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)
Climate Summary for Jerseyville, IL

General Climate


Jerseyville, Illinois, experiences a humid continental climate, characterized by hot, humid summers and cold, dry winters. The city's location in the Midwest region of the United States exposes it to significant seasonal variations in temperature and precipitation.

Temperature


    •   Average Annual Temperature: 53.4°F (11.9°C)
    •   Average Summer Temperature (June-August): 75.7°F (24.3°C)
    •   Average Winter Temperature (December-February): 29.1°F (-1.6°C)
    •   Highest Recorded Temperature: 117°F (47.2°C)
    •   Lowest Recorded Temperature: -30°F (-34.4°C)

Precipitation


    •   Average Annual Precipitation: 40.74 inches (1035 mm)
    •   Average Summer Precipitation (June-August): 12.18 inches (309 mm)
    •   Average Winter Precipitation (December-February): 6.65 inches (169 mm)
    •   Average Snowfall: 22.3 inches (56.6 cm)

Humidity


    •   Average Annual Humidity: 73%
    •   Summer Humidity: 75-80%
    •   Winter Humidity: 65-70%

Wind


    •   Prevailing Wind Direction: West-Southwest
    •   Average Wind Speed: 10 mph (16 km/h)

Severe Weather


    •   Jerseyville is occasionally affected by severe weather events, including thunderstorms, hailstorms, tornadoes, and blizzards. The city is located in Tornado Alley, a region of the United States that experiences frequent tornado activity.

Climate Change


    •   Like many regions worldwide, Jerseyville is experiencing the effects of climate change. Average temperatures have been rising, and precipitation patterns have become more variable. These changes are expected to continue in the future, leading to more extreme weather events and potential impacts on agriculture, water resources, and human health.

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

    •   Jerseyville lies within the Mississippi River Valley, a region known for its fertile soil and diverse ecosystems.

    •   The area is home to numerous plant and animal species, including bald eagles, white-tailed deer, and a variety of wildflowers.

Science

    •   In 1858, the Jerseyville Observatory was established by astronomer Joel Hayden. It was one of the first observatories in the Midwest and played a significant role in advancing astronomical knowledge.

    •   Jerseyville is home to the Jersey County Historical Society, which houses a collection of artifacts and documents related to the area's scientific history.

Personalities

    •   William H. McMasters, a prominent abolitionist and civil rights activist, lived in Jerseyville during the 1800s.

    •   George W. Brown, a renowned inventor and engineer, was born in Jerseyville in 1859. He patented over 100 inventions, including the first practical steam turbine.

Tourist Attractions
1.Pere Marquette State Park:

Located just outside of Jerseyville, this park offers scenic hiking trails, a lake for fishing and boating, and a campground.

2.Piasa Bird National Wildlife Refuge:

This refuge is home to a variety of bird species, including the American bald eagle. Visitors can enjoy hiking trails, wildlife viewing, and fishing.

3.Jersey County Historical Society Museum:

This museum tells the story of Jersey County's past through exhibits on local history, culture, and industry.

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