Our Proprietary 10-Day Forecast

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Current warnings over Johnson Creek, Wisconsin
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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 Johnson Creek, Wisconsin 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 Johnson Creek, Wisconsin 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 Jefferson County, WI

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 Johnson Creek, Wisconsin

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 Johnson Creek, WI 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 Johnson Creek, WI

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 Johnson Creek, WI, 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 Johnson Creek, Wisconsin

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 Jefferson County, Wisconsin

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)
Johnson Creek, Wisconsin Climate Summary

General Climate

    •   Johnson Creek, Wisconsin experiences a humid continental climate, characterized by warm, humid summers and cold, snowy winters.
    •   The city is located in USDA Plant Hardiness Zone 5b, with an average annual minimum temperature of -10°F and an average annual maximum temperature of 75°F.

Temperature

    •   Average January Temperature: 19°F
    •   Average July Temperature: 73°F
    •   Record High Temperature: 105°F (set in 1936)
    •   Record Low Temperature: -40°F (set in 1996)

Precipitation

    •   Average Annual Precipitation: 33 inches
    •   Average Annual Snowfall: 42 inches
    •   Wettest Month: June (4.5 inches)
    •   Driest Month: February (1.5 inches)

Severe Weather

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

Climate Change

    •   The climate in Johnson Creek is changing, with average temperatures rising and precipitation patterns shifting.
    •   These changes are expected to continue in the future, leading to more extreme weather events and a longer growing season.

Overall, Johnson Creek, Wisconsin has a humid continental climate with warm, humid summers and cold, snowy winters. The city is at risk for severe weather events, including thunderstorms, tornadoes, hail, and flooding. Climate change is also impacting the city, leading to rising temperatures and shifting precipitation patterns.

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

    •   Johnson Creek is located in the heart of the Kettle Moraine, a region formed by glaciers during the last ice age.

    •   The area is home to a diverse range of plant and animal life, including over 100 species of birds and 50 species of mammals.

    •   The creek itself is a popular spot for fishing, kayaking, and wildlife viewing.

Science

    •   Johnson Creek is home to the Johnson Creek Observatory, a state-of-the-art astronomical observatory.

    •   The observatory is used by astronomers from around the world to study the stars, planets, and galaxies.

    •   Johnson Creek is also a popular destination for birdwatchers, as the area is home to a variety of migratory birds.

Personalities

    •   Johnson Creek was founded in 1844 by a group of German immigrants.

    •   The town is named after John Johnson, one of the early settlers.

    •   Johnson Creek has a rich history, and many of the town's original buildings are still standing today.

Tourist Attractions
1.Johnson Creek Premium Outlets:

A popular outlet mall with over 60 stores offering discounts on designer and brand-name merchandise.

2.Kettle Moraine State Forest - Southern Unit:

A scenic natural area with hiking trails, lakes, and campgrounds, offering opportunities for outdoor recreation and wildlife viewing.

3.Yerkes Observatory:

A historic astronomical observatory located on the campus of the University of Wisconsin-Madison, featuring a large refracting telescope and offering guided tours and public outreach programs.

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