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TheForecast Post

A chronicle of American weather and climate  ·  Wednesday, 16 September 2026

Weather Trader Tropics MILEPOST 623

May 31, 2025 Saturday Tropical Update

Atlantic hurricane season officially begins tomorrow

What the month did

May 2025 was the 27th-warmest May in the 132-year national record (1895–2026), at 61.7°F against a 1991–2020 normal of 61.0°F (+0.7°F).

May 2025 was the 12th-wettest May in the 132-year national record (1895–2026), at 3.7in against a 1991–2020 normal of 3.1in (+0.6in).

NOAA/NCEI Climate at a Glance, contiguous United States. This is the observed record for the month, not a score of anything said in this piece — the forecast ledger begins 2026-08-17 and cannot reach earlier posts.

Atlantic tropical update : Hurricane Season starts tomorrow June 1st, but no development expected in next 7-days. Any system thereafter would be unlikely (<20%) according to ensembles through Day 14.

Eastern Pacific tropical update : 40% chance of next system in 7-days — Barbara.

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Milepost
623 · laid 2025-05-31T19:29:15.599000Z
Source
https://weather.substack.com/p/may-31-2025-saturday-tropical-update
Digest
23e7ba98a0ba149cc96f4b434f27612156ad21202b9983d1231b76a67871502c
Machine
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