NWS Forecast Office Spokane, WA

Thunderstorms on Thursday will be capable of producing brief downpours that could lead to debris flows in areas of steep terrain along the East Slopes of the Cascades, especially near burn scars.

For this afternoon and Friday afternoon, there is a 20-40 percent chance of thunderstorms, mostly along the Cascades and the ID/MT border. For today, chances are highest in the Cascades. Thunderstorm chances continue on Saturday afternoon and evening, but are lower and extend into SE Washington and the lower ID Panhandle. Possible hazards include fire starts, heavy downpours, outflow winds up to 30 mph, and possible debris flows near steep terrain and burn scars.