
Tropical Depression One is a Trouble-maker
06/17/2026, 8:41 am EDT
Climate Impact Company U.S. Medium Range Report
Issued: Thursday June 18, 2026
Highlight: Extended range is warmer in some areas but forecast confidence is lower.
Charts of the day: PJM-East extended range returning heat risk lowers; July 2026 wind forecast.

Discussion: Today’s 15-day daily average temperature forecast for PJM-East reveals lower risk of regenerating heat late in June. The risk of returning marginal heat is delayed until July 1st. ECMWF projects elevated risk of high wind conditions across Texas to the Midwest and into California during July 2026.

Medium-range 6-10 Day Forecast Valid June 23-27, 2026 (ECM ENS and 24-hour change)


Discussion: The Midwest stays cool while the South-central States are rain-cooled during the 6-10-day period. Western heat is maintained.
Medium-range 11-15 Day Forecast Valid June 28-July 2, 2026 (ECM ENS and 24-hour change)


Discussion: The Northwest cools significantly in the 11-15-day outlook while Midwest turns much warmer. The forecast is hot in the Southwest and a period of heat is likely in the Mid-Atlantic late in the period.
U.S. Medium-range Precipitation Forecast


Discussion: Heavy rain in the South-central and Northeast U.S. is indicated in the 6-10-day period. The Northeast rain helps to ease coastal drought. Wet weather extends across the Great Lakes region and into New England in the 11-15-day period.
Days 16-20 Extended range Temperature Forecast valid July 3-7, 2026


Discussion: Anomalous heat in the Northwest/West and Carolinas is projected by ECM. Caveat? Southwest may be drier and hotter.

