π€️ π΄USA WEATHER on September 21, 2026
π€️ USA WEATHER HOME TODAY CITIES ALERTS RADAR SEPTEMBER 21, 2026 π΄ WEATHER UPDATE: Weather conditions vary significantly across the United States today. Cooler and wetter conditions are affecting portions of the Northeast and Midwest, while warmer and more humid weather continues across parts of the South. USA WEATHER TODAY Weather Across America on September 21, 2026 A new week begins with a wide variety of weather conditions across the United States. Northern areas are seeing cooler temperatures, while many southern communities continue to experience warm and humid weather. 63°F General USA regional reference • Conditions vary by location Today's weather highlights include rain in parts of the Northeast and Midwest, thunderstorms in portions of the South, and generally mild conditions across parts of the West. π‘️ Temperature 63°F General current reference. Local temperatures may be significantly d...