Severe Thunderstorms in the Upper Midwest; Excessive Heat in the Central U.S.
Severe thunderstorms, capable of severe wind (locally exceeding hurricane force), very large hail, flash flooding, and a few tornadoes, are possible late this afternoon into tonight across portions of the of the Upper Midwest into the southern Great Lakes. Excessive heat covers much of the central third of the country and is expected to persist into the weekend over the south-central states.
Hazardous Weather Conditions
High and low forecast temperature values represent air temperature.
Water temperature forecast is experimental.
Last Update: 4:24 pm EDT Jul 28, 2021
Forecast Valid: 8pm EDT Jul 28, 2021-6pm EDT Aug 4, 2021
See Lake Huron Open Lake Forecast for days 3 through 5.
- This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
- The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.