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Southwest Monsoon Flooding

Monsoonal conditions in the Southwest will lead to threats of flash flooding through the weekend. Severe thunderstorms will be possible through Friday night in the northern tier of the country and Saturday afternoon in the vicinity of the Southern Great Lakes. Warm conditions have prompted Heat Advisories for portions of the Midwest and ArkLaMiss this weekend. Read More >

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Last Map Update: Fri, Jul. 23, 2021 at 11:52:19 pm AST

National Weather Service Key West, FLNational Weather Service Miami - South FloridaNational Weather Service Southern Region Headquarters
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National Weather Service Southern Region Headquarters
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The National Hurricane Center is monitoring an enlongated low pressure area located east of the Florida Peninsula with a medium formation chance during the next 2 and 5 days.
Showers and thunderstorms are expected to affect eastern Puerto Rico and the U.S. Virgin Islands. Choppy marine conditions are expected to continue with seas up to 7 feet and winds up to 20 knots. Thus, small craft advisory is in effect for the offshore Atlantic waters.
Increasing shower and thunderstorm activity due to a tropical wave and an upper level trough. Seas are up to 7 feet and winds are up to 20 knots. Small craft advisory in effect.
A tropical wave will enhance the potential for shower and thunderstorm development across the area. Choppy marine conditions with seas up to 7 feet and winds up to 20 knots. Thus, there is a small small craft advisory for the offshore Atlantic waters.