Our Proprietary 10-Day Forecast

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Current warnings over Fairfield, 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 Fairfield, 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 Fairfield, 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 Lake 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 Fairfield, 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 Fairfield, 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 Fairfield, 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 Fairfield, 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 Fairfield, 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 Lake 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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  • GEFS, GEPS, MOGREPS & European Ensembles
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  • 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)
Fairfield, Illinois has a humid subtropical climate (Köppen Cfa), with hot, humid summers and cool to mild winters. The city experiences all four seasons, with average temperatures ranging from 32°F (0°C) in January to 80°F (27°C) in July.

Temperature

    •   Summer: The average temperature in July is 80°F (27°C), with highs reaching into the low 90s (°F) and lows dropping into the mid-60s (°F).
    •   Winter: The average temperature in January is 32°F (0°C), with highs reaching into the mid-40s (°F) and lows dropping into the mid-20s (°F).
    •   Spring and Fall: The average temperatures in April and October are 55°F (13°C) and 58°F (14°C), respectively, with highs reaching into the low 70s (°F) and lows dropping into the mid-30s (°F).

Precipitation

    •   Annual: Fairfield receives an average of 42 inches (107 cm) of precipitation per year, which is evenly distributed throughout the year.
    •   Summer: The summer months (June, July, and August) are the wettest, with an average of 10 inches (25 cm) of rain per month.
    •   Winter: The winter months (December, January, and February) are the driest, with an average of 2 inches (5 cm) of rain per month.

Snowfall

    •   Annual: Fairfield receives an average of 15 inches (38 cm) of snow per year.
    •   Winter: The winter months (December, January, and February) are the snowiest, with an average of 5 inches (13 cm) of snow per month.

Severe Weather

    •   Tornadoes: Fairfield is located in Tornado Alley and experiences an average of 1 tornado per year.
    •   Thunderstorms: The city experiences an average of 50 thunderstorms per year, with most occurring in the summer months.
    •   Hail: Hail is common in Fairfield, with an average of 10 hail days per year.

Climate Change

    •   Rising Temperatures: The average temperature in Fairfield has increased by 1.5°F (0.8°C) since 1895.
    •   More Extreme Weather: Fairfield has experienced an increase in the frequency and intensity of extreme weather events, such as heat waves, droughts, floods, and tornadoes.
    •   Changing Precipitation Patterns: The city has experienced a decrease in the amount of precipitation it receives in the summer months and an increase in the amount of precipitation it receives in the winter months.

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

    •   Fairfield is located on the Mount Carmel Fault System, one of the most active seismic zones in the Eastern US.

    •   The area is home to the Shawnee National Forest, a vast expanse of forests, rivers, and bluffs.

    •   The Embarras River, which flows through Fairfield, is a major tributary of the Mississippi River.

Science

    •   Fairfield is home to the Illinois State Museum Society, which operates the Illinois State Museum Research and Collections Center.

    •   The city is also home to Frontier Community College, which offers science programs in fields such as biology, chemistry, and environmental science.

Personalities

    •   Fairfield was the birthplace of John A. Logan, a Civil War general and politician who served as a U.S. Senator and Vice Presidential candidate.

    •   The city is also associated with George Rogers Clark, a Revolutionary War general who established Fort Massac nearby.

    •   William Jennings Bryan, a three-time Democratic presidential nominee, visited Fairfield during his \

Tourist Attractions
1.Rend Lake:

A 18,900-acre reservoir with opportunities for fishing, boating, swimming, camping, and hiking.

2.Fairfield Sports Complex:

A state-of-the-art sports complex with fields for baseball, softball, soccer, and football, as well as a walking trail and playground.

3.Wayne Fitzgerrell State Recreation Area:

A 3,200-acre park with hiking trails, a fishing lake, and a campground.

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