Tropical Storm Jerry is wringing out heavy rain over the Leeward Islands, but it is no threat to the mainland U.S. Meanwhile, Subtropical Storm Karen formed in the far North Atlantic, but it won't last long.

(MORE: How Hurricane Season Usually Changes In October)

Jerry's Forecast

Jerry has been fighting strong wind shear, which has held down its wind intensity. But that doesn't mean it isn't having impacts.

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Heavy rain is soaking parts of the Lesser Antilles as far south as St. Vincent and the Grenadines, as the radar map below shows. Some of this rain is likely falling at the rate of 1 inch per hour or more. So far, the heaviest rain has remained east of both Puerto Rico and the Virgin Islands.

Total rainfall from 2 to 6 inches is expected in the Leeward Islands. Locally heavy rain on the order of a few inches could also spread to the Virgin Islands and Puerto Rico through Saturday. Flash flooding is possible in these areas and landslides could occur in areas where heavy rain occurs over hilly or mountainous terrain.

Jerry will gradually pull away from the Leeward Islands into the central Atlantic this weekend, then make a dog-leg east turn well east of Bermuda by late Sunday or Monday.

At this point, Jerry may struggle to gain any additional strength and may never become a hurricane.

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Jerry became the 10th storm of the 2025 Atlantic hurricane season late Tuesday morning as it was just over 1,300 miles east of the northern Leeward Islands.

That's about two weeks later than the average pace of the 10th storm — Sept. 22 — according to the National Hurricane Center's 30-year average.

Subtropical Storm Karen Forms In The North Atlantic

In a bit of a surprise, a low pressure system located some 550 miles north-northwest of the Azores was named Subtropical Storm Karen by the National Hurricane Center Thursday night.

It won't last long, as it is expected to lose its thunderstorms sustaining it by Saturday.

(WATCH: What Is A Subtropical Storm?)

Karen became the 11th named storm of the Atlantic hurricane season.

Jonathan Erdman is a senior meteorologist at weather.com and has been covering national and international weather since 1996. Extreme and bizarre weather are his favorite topics. Reach out to him on Bluesky, X (formerly Twitter) and Facebook.