Good morning. Washington. I'm Aaron Jolly. That steady drumming on the roof? Just the opening act. We've picked up about a tenth of an inch of rain overnight, but the atmosphere is getting restless. In the next 24 hours., A cold front is sweeping through, unlocking thunderstorm potential across Western Washington. Puget Sound sees showers and storms between 10 A.M. and 4 P.M. — that's when instability peaks. Highs reach 53 degrees. South Sound follows a similar script with storms most likely around midday, topping out at 54. Keep that umbrella handy and don't be surprised if you hear a rumble. Cross the Cascades and it's a different world. Eastern Washington gets steady rain this morning — near 100 percent chance around 10 A.M. — then drying by evening. Highs hit 49. But watch out for that early morning chill. It'll feel like 27 degrees around 7  ...