Our Proprietary 10-Day Forecast

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Current warnings over Williamsport, Indiana
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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 Williamsport, Indiana 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 Williamsport, Indiana 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 Warren County, IN

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 Williamsport, Indiana

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 Williamsport, IN 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 Williamsport, IN

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 Williamsport, IN, 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 Williamsport, Indiana

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 Warren County, Indiana

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.
 
Get access to:
  • European ECMWF HRES
  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • GEFS, GEPS, MOGREPS & European Ensembles
  • Probabilities & Averages
  • 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.
 
See the latest forecast data as the models update.
 
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Climate Summary
(made with AI, use with caution)
Williamsport, Indiana Climate Summary

General Climate

    •   Williamsport, Indiana has a humid continental climate, with hot, humid summers and cold, snowy winters.
    •   The average annual temperature is 51.6°F (10.9°C).
    •   The average annual precipitation is 38.8 inches (98.6 cm).

Summer

    •   The average summer temperature is 74.2°F (23.4°C).
    •   The average high temperature in July is 85.2°F (29.6°C).
    •   The average low temperature in July is 63.2°F (17.3°C).
    •   The average summer precipitation is 10.9 inches (27.7 cm).

Winter

    •   The average winter temperature is 28.9°F (-1.7°C).
    •   The average high temperature in January is 34.9°F (1.6°C).
    •   The average low temperature in January is 22.9°F (-5.1°C).
    •   The average winter precipitation is 12.5 inches (31.8 cm).

Spring and Fall

    •   The average spring temperature is 49.2°F (9.6°C).
    •   The average high temperature in April is 62.2°F (16.8°C).
    •   The average low temperature in April is 36.2°F (2.3°C).
    •   The average spring precipitation is 8.7 inches (22.1 cm).
    •   The average fall temperature is 50.1°F (10.1°C).
    •   The average high temperature in October is 63.1°F (17.3°C).
    •   The average low temperature in October is 37.1°F (2.8°C).
    •   The average fall precipitation is 6.7 inches (17.0 cm).

Other Climate Information

    •   The average annual snowfall is 24.6 inches (62.5 cm).
    •   The average number of days with measurable precipitation is 110.
    •   The average number of days with snow cover is 40.
    •   The average relative humidity is 74%.

Climate Extremes

    •   The highest temperature ever recorded in Williamsport was 110°F (43.3°C) on July 14, 1936.
    •   The lowest temperature ever recorded in Williamsport was -27°F (-32.8°C) on January 19, 1994.
    •   The greatest amount of precipitation ever recorded in Williamsport in a single month was 13.99 inches (35.5 cm) in July 1957.
    •   The greatest amount of snow ever recorded in Williamsport in a single month was 28.0 inches (71.1 cm) in February 1978.

Facts & Historical Information
(made with AI, use with caution)
Williamsport, Indiana, holds a rich natural and scientific legacy:

  • Mammoth Bone Discovery:

    In 1899, a massive mammoth bone was unearthed near Williamsport, providing evidence of prehistoric megafauna in the region.

  • Glacial Till:

    The town is situated atop a thick layer of glacial till deposited during the last ice age, shaping the landscape and creating fertile soils.

  • Warren County Bird Sanctuary:

    Located just outside Williamsport, this sanctuary protects over 300 acres of wetlands and forests, providing habitat for diverse bird species.

  • Dr. William A. Keller:

    A prominent physician and naturalist, Dr. Keller established the Keller Herbarium in Williamsport, housing a vast collection of local plant specimens.

  • Williamsport Nature Preserve:

    This 100-acre preserve features hiking trails, a pond, and a variety of flora and fauna, including rare wildflowers and migratory birds.

    • Tourist Attractions
    1.Williamsport Falls

    - A scenic waterfall located in Williamsport, Indiana. It is a popular spot for swimming, fishing, and picnicking.

    2.Prophetstown State Park

    - A state park located near Battle Ground, Indiana. It is home to a variety of hiking trails, a lake, and a campground.

    3.Fair Oaks Farms

    - A working farm located in Fair Oaks, Indiana. It offers a variety of attractions, including a petting zoo, a dairy farm tour, and a restaurant.

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