National Weather Service United States Department of Commerce

Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Great Lakes Modernized
As times and capabilities change, it is important to test new ways to bring the forecast to Marine Customers. The Open Lake Forecast (GLF) is a text product issued by five primary Great Lakes Weather Forecast Offices. It is written mainly in a sentence style which adds extra length to the forecast. This page shows an alternate format for the information and we want to know if this is easier to read and if you find this helpful.
Nearshore Forecasts
Before we make a change to the forecast appearance, we are creating these forecasts here and requesting your comments via the provide feedback link below. Please take a few minutes today to provide us your comments. Need a little help? Click on the side by side comparison of the forecast for Lake Huron.