Our Proprietary 10-Day Forecast

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Current warnings over Grantsburg, 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 Grantsburg, 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 Grantsburg, 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 Burnett 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 Grantsburg, 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 Grantsburg, 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 Grantsburg, 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 Grantsburg, 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 Grantsburg, 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 Burnett 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)
Grantsburg, Wisconsin Climate Summary

General Climate

    •   Grantsburg, Wisconsin experiences a humid continental climate, characterized by warm, humid summers and cold, snowy winters.
    •   The city is located in USDA Plant Hardiness Zone 4a, which means that the average annual minimum temperature is between -30°F and -25°F.
    •   Grantsburg receives an average of 30 inches of precipitation per year, which is evenly distributed throughout the year.

Temperature

    •   The average annual temperature in Grantsburg is 43.5°F.
    •   The warmest month is July, with an average temperature of 68.8°F.
    •   The coldest month is January, with an average temperature of 16.7°F.
    •   The highest temperature ever recorded in Grantsburg was 105°F, which occurred on July 13, 1936.
    •   The lowest temperature ever recorded in Grantsburg was -53°F, which occurred on January 29, 1888.

Precipitation

    •   Grantsburg receives an average of 30 inches of precipitation per year.
    •   The wettest month is June, with an average of 4.2 inches of precipitation.
    •   The driest month is February, with an average of 1.5 inches of precipitation.
    •   Grantsburg receives an average of 48 inches of snow per year.
    •   The snowiest month is January, with an average of 10.9 inches of snow.

Severe Weather

    •   Grantsburg is located in an area that is prone to severe weather, including tornadoes, hail, and thunderstorms.
    •   The city is also located in an area that is at risk for flooding.

Climate Change

    •   The climate in Grantsburg is changing, as it is in the rest of the world.
    •   The average annual temperature in Grantsburg has increased by about 2°F since the late 19th century.
    •   The amount of precipitation that Grantsburg receives has also increased, by about 10% since the late 19th century.
    •   These changes are likely due to human activities, such as the burning of fossil fuels.

Overall, Grantsburg, Wisconsin has a humid continental climate with warm, humid summers and cold, snowy winters. The city is located in an area that is prone to severe weather and is also at risk for flooding. The climate in Grantsburg is changing, as it is in the rest of the world, with the average annual temperature and precipitation increasing.

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

  • Ice Age Remnants:

    Grantsburg is located in the St. Croix River Valley, which was shaped by glaciers during the last Ice Age. The area is dotted with glacial erratics, massive boulders transported by the glaciers.

  • Yellow River:

    The Yellow River, a tributary of the St. Croix River, flows through Grantsburg. It was named for its yellowish-brown water, caused by iron oxide deposits.

  • Burr Oak Forest:

    The Grantsburg area was once home to a vast burr oak forest. These majestic trees are still found in pockets throughout the region.

    Science

  • Astronomical Observatory:

    The University of Wisconsin-River Falls operates an astronomical observatory in Grantsburg. The observatory is used for research and educational purposes.

  • Climate Research:

    Grantsburg is part of the National Weather Service's Climate Reference Network. The station collects long-term climate data to monitor changes in temperature, precipitation, and other weather patterns.

    Personalities

  • Knute Nelson:

    A Norwegian immigrant, Nelson served as a U.S. Senator from Minnesota from 1895 to 1923. He was a prominent figure in the Republican Party and played a key role in shaping immigration policy.

  • Ole Bull:

    A renowned Norwegian violinist, Bull performed in Grantsburg in 1857. His concert was a major cultural event for the community.

  • John Muir:

    The famed naturalist and conservationist visited Grantsburg in 1891. He was impressed by the area's natural beauty and advocated for its preservation.

    • Tourist Attractions
    1.Interstate Park

    is a 1,348-acre state park located on the St. Croix River between Minnesota and Wisconsin. The park features hiking trails, camping, fishing, and boating.

    2.Wild River State Park

    is a 2,857-acre state park located on the St. Croix River between Minnesota and Wisconsin. The park features hiking trails, camping, fishing, and boating.

    3.Grantsburg Historical Museum

    is a local history museum that features exhibits on the history of Grantsburg and the surrounding area.

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