wt360 Weather Brief - Warmer/Drier Pattern After Coolest May in 5 Years

Captain's Log
30 May '26: Happy Saturday!



wt360 has launched a new 14-day global pollen index forecast. The near-term forecast shows the pollen levels decreasing across the Southern U.S. but expanding across the North and Canada. CLICK ON IMAGES FOR A LARGER VIEW.

LOG 1 (1)

Today we as wt360's robot "Sunny" how May trended across the U.S. It ended up the coolest in 5 years with near average national temperatures, but well below average from the Northeast to Texas. This despite the big heatwave in the middle of the month. National rainfall was down -19% vs LY and least in 3 years but still above average. Much needed heavy rainfall across the Southeast helped alleviate drought conditions. It has been very dry across the North Central U.S. The hot/dry spot was the Northwest.

LOG 2 (1)

Day-by-Day May trends show the middle May period was best for Spring seasonal sales with the big heatwave and dry period. The beginning of the month was colder and generally drier, and the late month period has been up and down with temps but wetter dampening demand for hot seasonal items. The weekend periods in the East have been trending much colder with a bigger impact on seasonal sales.

LOG 3 (1)

Last Week (24-30 May) across the World shows the U.S. trending +3.6F warmer than last year, warmest in 6 years and 7th warmest in 41 years. Unfortunately, the Memorial Day weekend was cold/wet in the East. Hot 90F days were down -9% vs last year, least in 3 years and 19th least in 41 years, while rainfall was +1% more than last year, wettest in 4 years and 9th wettest in 41 years dampening seasonal sales. The U.K. and Europe were the hot spots trending #1 warmest in 41 years and generally dry benefiting seasonal merchandise. Cool and very wet in Russia and Brazil.

LOG 10 (1)

A lull in severe weather last week with 23 tornadoes, 94 hail events and 316 wind events. This has all categories now trending well below last year's levels. Only wind cases are still trending above average.

LOG 4 (1)

The week ahead severe weather outlook shows an increase in activity for the Central U.S. They'll take the rain with crops in the grounds but could do without the severe weather potential.

LOG 5 (1)

This week (31 May - 6 Jun) trends +0.5F warmer than last year nationally, but a lot of that heat is centered in the Plains where not so many folks live. The East Coast and West Coast continue to trend cooler than average dampening demand for hot seasonal items. Hot 90F days are way down -35% vs last year, least in 9 years and 8th least in 41 years suppressing demand for AC categories but helping consumers utilities cooling bills. Rainfall down -12% nationally, least in 3 years and 11th driest in 41 years.

LOG 6 (1)

Next week (7-13 Jun) the heat builds in the Rockies and Plains boosting U.S. temperatures +1.9F warmer than last year, warmest in 5 years and 2nd warmest in 41 years. But the Middle Atlantic and West Coast trend cooler than last year suppressing YOY sales growth for hot categories. Hot 90F days are up +1% but that's in the North Central U.S. Rainfall down -27% vs last year and 13th driest in 41 years nationally. The Southeast begins to dry out.

LOG 7 (1)

The World 2-week (31 May - 13 Jun) Temperature Outlook shows signs of the El Nino weather pattern with warmer world temperatures, common with stronger El Nino's. The heat is concentrated in the Central U.S., Central Canada and much of Europe. This will boost consumable categories like cold beverages.

LOG 8 (1)

The World 2-week (31 May - 13 Jun) Precipitation Outlook shows heaver rain for the Central U.S and a lull in the rain for the Southeast - they need to dry out a bit after excessive rains as of late. Continued wet in Brazil as their near harvesting of their 2nd season crops.

LOG 9 (1)

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- Captain Kirk out (USAF Gulf War Veteran 1989-1999)

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