06/09/2026, 11:19 am EDT
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.
News
06/09/2026, 8:03 am EDT
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 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.
06/05/2026, 1:55 pm EDT
Earlier today, the once per month ECM “monthlies” were issued and the JUL/AUG forecast implicate the Great Plains for a hot and dry weather pattern.