Hastings, MN Weather + On This Date: Thursday, September 3, 2026

Thursday, September 3, brings a warm, changeable day to Hastings, Minnesota, with a high near 88°F, a heat index as high as 95°F and a 50% chance of morning showers and thunderstorms, mainly between 7 and 11 a.m. A separate round of storms may become possible later Thursday, with the National Weather Service noting a severe-weather risk if evening storms develop. Today’s time capsule connects Minnesota’s Boundary Waters to the 1964 Wilderness Act, revisits the 1783 Treaty of Paris and remembers Viking 2 landing on Mars in 1976. It’s a practical local guide for planning the day while keeping an eye on changing storm timing.