U.S. Midday Update: Cooler 6-10-day forecast, warmer 11-15-day outlook, based on 12Z GFS.

U.S. Midday Update: El Nino rains on the way for Q4/2026. 12Z GFS is chilly in Canada while Mid-south to Southeast heat is intense. PJM-East heat-spike expected.

08/11/2026, 4:11 pm EDT