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Isolated T-storms & Cooler Weather Ahead

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A low pressure located over Nevada and stalled front are bringing flooding rains from Wyoming to New Mexico and hitting Colorado the hardest. That low pressure will continue to bring a chance for isolated thunderstorms before 9 tonight along and east of the Cascades. That threat will return tomorrow afternoon in that same area, but the best chance for any thunderstorm formation will be in northern California. Saturday will be much calmer with only a slight chance for thunderstorms in the Cascades and north Klamath and Lake county, but it is a very slight chance and most areas will just see increasing afternoon clouds.

High pressure that has brought the late Summer heat wave will begin to break down over the weekend as a closed low off shore begins moving inland. This will bring a significant drop in temperatures starting Sunday and continued cooling into next week. Showers will begin at the coast Sunday morning and move inland during the day with most rain falling along and west of the Cascades. Expecting spotty showers for west side valleys with the potential for decent rain showers in the Cascades. Thunderstorms can produce heavy rain, gusty winds and abundant lightning. On and off showers will continue into early next week due a longwave trough settling over the Pacific Northwest during the time period.

Thanks for logging on and have a great evening!

Meteorologist Megan Parry