Understory, a weather technology startup based in Madison, WI, has expanded its geographic footprint and named a key customer.

Understory builds weather stations to measure things like wind, temperature, humidity, rain, and hail. It sells weather data to businesses such as insurance company Pacific Specialty—a customer Understory just revealed—and provides data free to consumers.

With the expansion, Understory has stations in six metropolitan areas: new markets Denver, Houston, and Fort Worth, TX, and existing markets Boston, Dallas, and Kansas City, MO. Read the full story here.