June 2026 - Page 5 of 8 - Climate Impact Company

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06/10/2026, 1:42 pm EDT

2nd Warmest Spring on Record in U.S. Trailing Only 2012

The second warmest meteorological spring on record was observed during MAR/APR/MAY 2026. The warmest on record was observed in 2012, the year of a prohibitive drought. All-time record-warmth was observed in Arizona, New Mexico, Colorado, and Texas for meteorological spring. The remainder of the contiguous U.S. was MUCH ABOVE normal except marginally ABOVE normal for the Upper Midwest to New England States.

06/09/2026, 11:19 am EDT

Mediterranean Sea Marine Heatwave Shifting East, Should Influence Upper Air Pattern Later June

The immense Mediterranean Sea marine heatwave is expanding eastward which supports positioning of the upper-level high pressure ridge shifting eastward as indicated by the CFS V2 week 2-4 outlook.

06/09/2026, 8:03 am EDT

Severe Weather Alley…North-central/Midwest/South-central U.S. This Week

In the 3-day forecast, heavy rain is centered on North Dakota to the far eastern Canadian Prairies plus Illinois. Severe storms produce much of the rain. An unusually high tornado risk for North Dakota today. An equally high tornado risk tomorrow is centered on the Iowa/Illinois/Wisconsin region. St. Louis to Chicago tornado risk is indicated for Thursday.

06/07/2026, 9:42 am EDT

The Heathrow/Paris Vs. Berlin CDD Forecast Divide!

The May 2026 CDD at Heathrow and Paris were prohibitively warm! A whopping 61 CDD was observed in Paris due to a record (May) heat spike compared to 12 and 15 30-year/10-year climatology. The June 2026 CDD forecast for both Heathrow and Paris remain hot with strong increases in CDD count from the previous (May) forecast. Note that May, June, and July (Paris) are hotter (CDD) forecasts than last year’s totals.