National Weather Service United States Department of Commerce

Super Typhoon Bavi to Impact Guam and the Mariana Islands; Excessive Rainfall and Flooding Threat in the Mid-Atlantic

Catastrophic Super Typhoon Bavi's eyewall has reached Rota and is expected to bring dangerous winds, heavy rainfall and storm surge to Guam, Rota, Tinian and Saipan. A Typhoon Warning remains in effect. Heavy to excessive rainfall will continue to bring a flooding threat from coastal Mid-Atlantic to southern New England through Monday. Read More >

A broken line of strong to severe storms is expected to move southeast into the area this afternoon into this evening. The main hazards are expected to be damaging winds, locally heavy rainfall and frequent cloud-to-ground lightning. Some hail may occur. The best chances for severe storms are mainly north of a Mineral Point, to Madison, to Sheboygan line. There is some uncertainty with how strong the storms may be after sunset, as they move into the area. More storms may occur later tonight into Thursday morning, but they are not expected to be severe. They may produce heavy rainfall and localized flooding. Stay weather aware this afternoon into this evening if you have outdoor plans!
Here is the expected timing of storms into southern Wisconsin this afternoon and evening. The better chances for strong to severe storms will be north of a Mineral Point, to Madison, to Sheboygan line. The peak period for storms should be in the 4 PM to 8 PM range. Stay weather aware into this evening!
A round of thunderstorms should move into northern portions of the area, mainly north of a Mineral Point, to Madison, to Sheboygan line by later this afternoon into this evening. More showers and storms are expected at times later tonight into Thursday morning, perhaps lingering into the afternoon and early evening. There is potential for locally heavy rainfall in northern portions of the area, where local amounts up to 2.00 inches or more may occur. This may cause localized flooding impacts. In addition, a few strong storms may occur Thursday afternoon and early evening, as the cold front moves south. Gusty winds and hail may occur during this time. Stay weather aware during this period!