National Weather Service United States Department of Commerce

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. 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.