Our Proprietary 10-Day Forecast

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Current warnings over Havana, 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 Havana, 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 Havana, 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 Mason 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 Havana, 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 Havana, 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 Havana, 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 Havana, 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 Havana, 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 Mason 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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  • 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)
Havana, Illinois has a humid continental climate (Köppen Dfa), with hot, humid summers and cold, snowy winters. The city experiences four distinct seasons, with average temperatures ranging from 25.1 °F (-3.8 °C) in January to 78.4 °F (25.8 °C) in July.

Temperature

    •   Average annual temperature: 51.8 °F (11.0 °C)
    •   Average daily high temperature: 60.6 °F (15.9 °C)
    •   Average daily low temperature: 42.9 °F (6.1 °C)
    •   Record high temperature: 114 °F (45.6 °C) on July 14, 1936
    •   Record low temperature: -38 °F (-38.9 °C) on January 5, 1999

Precipitation

    •   Average annual precipitation: 37.2 inches (945 mm)
    •   Average annual snowfall: 20.2 inches (513 mm)
    •   Average number of days with precipitation: 105
    •   Average number of days with snowfall: 17

Humidity

    •   Average annual relative humidity: 75%
    •   Average daily maximum relative humidity: 90%
    •   Average daily minimum relative humidity: 60%

Wind

    •   Average annual wind speed: 10.2 mph (16.4 km/h)
    •   Prevailing wind direction: West-southwest

Climate Summary

Havana, Illinois has a humid continental climate, with hot, humid summers and cold, snowy winters. The city experiences four distinct seasons, with average temperatures ranging from 25.1 °F (-3.8 °C) in January to 78.4 °F (25.8 °C) in July. The average annual precipitation is 37.2 inches (945 mm), with an average of 20.2 inches (513 mm) of snowfall. The average annual relative humidity is 75%, and the average annual wind speed is 10.2 mph (16.4 km/h).

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

    •   Havana is located in the Illinois River Valley, a renowned birdwatching destination. Bald eagles, great blue herons, and sandhill cranes are common sightings.

    •   The nearby Chautauqua National Wildlife Refuge provides habitat for over 250 bird species, including the endangered least tern.

Science

    •   Havana is home to the Havana National Weather Service Office, which has been monitoring weather conditions since 1893.

    •   The office is responsible for issuing weather forecasts, warnings, and advisories for central Illinois.

Personalities

  • William Jennings Bryan:

    The famed orator and politician lived in Havana from 1863 to 1881. His childhood home is now a museum.

  • Carl Sandburg:

    The Pulitzer Prize-winning poet and biographer spent his formative years in Havana. His former home is now a National Historic Site.

  • John McCutcheon:

    The Grammy-nominated folk singer and songwriter grew up in Havana and often incorporates local history into his music.

    • Tourist Attractions
    1.Havana National Wildlife Refuge

    is a 10,000-acre refuge located along the Illinois River. The refuge is home to a variety of wildlife, including deer, turkey, waterfowl, and fish. Visitors can enjoy hiking, fishing, hunting, and wildlife viewing.

    2.Spoon River Scenic Drive

    is a 100-mile drive that follows the Spoon River through the scenic Illinois River Valley. The drive offers stunning views of the river, bluffs, and forests. Visitors can stop at a variety of attractions along the way, including the Dickson Mounds Museum, the Starved Rock State Park, and the Matthiessen State Park.

    3.Havana Lock and Dam

    is a historic lock and dam located on the Illinois River. The lock and dam were built in the 1930s to improve navigation on the river. Visitors can learn about the history of the lock and dam and watch boats pass through.

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