National Weather Service United States Department of Commerce
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Last Map Update: Fri, Jul 12, 2024 at 7:58:19 pm PDT

Even though there is a very strong ridge encamped over the west coast, a small disturbance will slip over the top of the ridge and weaken it slightly. The path of this disturbance will cross the Pac-NW, and will produce a 20-30% probability of thunderstorm formation arching from south-central Oregon to the southern edge or the Blue and Eagle Cap Mountains, in northeast Oregon.