Our Proprietary 10-Day Forecast

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Current warnings over La Salle, 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 La Salle, 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 La Salle, 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 La Salle 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 La Salle, 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 La Salle, 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 La Salle, 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 La Salle, 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 La Salle, 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 La Salle 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)
## La Salle, Illinois Climate Summary

Seasons
La Salle, Illinois experiences four distinct seasons: spring, summer, fall, and winter.

    •   Spring

Spring in La Salle typically begins in late March and lasts until the end of May. The weather during this time is generally mild, with average temperatures ranging from 35°F to 65°F. There is also a fair amount of precipitation during spring, with an average of 3.5 inches of rain per month.

    •   Summer

Summer in La Salle lasts from June to August. The weather during this time is typically hot and humid, with average temperatures ranging from 65°F to 85°F. There is also a high chance of thunderstorms during the summer months.

    •   Fall

Fall in La Salle begins in September and lasts until the end of November. The weather during this time is generally mild, with average temperatures ranging from 45°F to 65°F. There is also less precipitation during fall, with an average of 2.5 inches of rain per month.

    •   Winter

Winter in La Salle lasts from December to February. The weather during this time is typically cold and snowy, with average temperatures ranging from 20°F to 35°F. There is also a high chance of snow during the winter months, with an average of 10 inches of snow per month.

Precipitation
La Salle receives an average of 35 inches of precipitation per year, which is evenly distributed throughout the year. However, there is a slight increase in precipitation during the spring and summer months.

Temperature
The average temperature in La Salle is 51°F. The warmest month is July, with an average temperature of 75°F. The coldest month is January, with an average temperature of 22°F.

Climate Change
The climate in La Salle is changing, as it is in many parts of the world. The average temperature in La Salle has increased by about 1°F per decade since the 1970s. This warming trend is expected to continue in the future, and it is likely to lead to more extreme weather events, such as heat waves, droughts, and floods.

Overall
La Salle has a temperate climate with four distinct seasons. The weather is generally mild, with average temperatures ranging from 22°F to 75°F. There is also a fair amount of precipitation, with an average of 35 inches per year. The climate in La Salle is changing, and the average temperature has increased by about 1°F per decade since the 1970s. This warming trend is expected to continue in the future, and it is likely to lead to more extreme weather events.

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

    •   La Salle County is home to Starved Rock State Park, a 2,630-acre natural area featuring towering sandstone canyons, waterfalls, and diverse flora and fauna.

    •   The Illinois River, which flows through La Salle, is a major migratory route for birds and a rich ecosystem for aquatic life.

Science

    •   La Salle was the birthplace of Dr. William Beaumont, a renowned military surgeon who conducted groundbreaking experiments on digestion in the early 19th century.

    •   Fermi National Accelerator Laboratory (Fermilab), a world-renowned particle physics research facility, is located just outside of La Salle.

Personalities

    •   Louis Jolliet, a French explorer, is believed to have visited the area in the 17th century, naming it \

Tourist Attractions
1.Starved Rock State Park:

A stunning natural area with towering sandstone bluffs, hiking trails, waterfalls, and scenic overlooks.

2.Hegeler Carus Mansion:

A historic mansion built by a wealthy industrialist, featuring intricate architecture, opulent interiors, and beautiful gardens.

3.Matthiessen State Park:

Another picturesque park with canyons, waterfalls, hiking trails, and a scenic drive along the Vermilion River.

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