Webheat has ravaged new hampshire this week, with temperatures soaring into the high 90’s in southern new hampshire beginning on tuesday and lasting through. Pdt, july 27, 2023. Heat wave spans us coasts. A deadly, unrelenting heat wave has been impacting millions of americans across the country. Webdangerous levels of heat are forecast in florida, california, nevada and arizona on tuesday, according to data from the national oceanic and atmospheric. Parts of the midwest to the northeast. Webconcord saw temperatures at or above 90 degrees starting on july 6. July 16 marked the city’s 11th.