I saw this little fella the other day. And I’m still recovering.
A hobo spider. A big hobo spider. Hobo spiders are scary!

Common to the Boise area, hobo spiders are one of the more generally feared spiders around. Often confused with a brown recluse, The hobo spider has one of the more dangerous bites, causing a necrotic lesion in soft tissue.

Interestingly enough, the fall is one of the more active spider times of the year. As temperatures drop, spiders of all kinds, shapes, and sizes no longer able to hunt freely in the warm outdoors. Cooling temperatures force them to come inside for safe habitat. This obviously causes problems with current inhabitants.
Cleaning up refuse around the house, properly maintaining lawn and landscape features, and doing regular perimeter pest control treatments are a must.