Brown patches in your lawn are never a fun sight to wake up to. During the fall, the main culprit is often one of two things: drought or armyworms. To check for drought, review your watering schedule and ensure you're watering at least one inch a week. If you aren't, try watering according to that schedule and see if it makes a difference. Once you've done that, if your lawn still has brown patches, it could indicate armyworms. Common in the South and increasingly in Midwest states...