Turning Stormy in the Northwest

An active fall storm pattern developing in the Pacific Northwest this week will bring areas of heavy rain and high elevation snow. Northern California will benefit from rainfall this week that will aid firefighters given the recent large wildfires. Read More >

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Today

Rain Chances Return Late Week

Weekend Storm Chances Go Up

Weekend Weather Timeline

Sunny skies and low humidity will continue today. After another cool start to the day, temperatures will reach the mid to upper 70s by midday. Afternoon temperatures will peak in the 80s across much of the region. South winds will increase a bit today but will generally be around 10 mph or less.

Southerly winds will bring increasing Gulf moisture to the region during Thursday through Friday. Low chances of shower and thunderstorms will return late Thursday night through Friday evening with an upper level disturbance. Highs will be in the upper 70s to lower 80s Friday, while lows each night will become warmer with more humidity each night with lows in the 60s area-wide by Friday night into Saturday morning.

There will be a low chance of showers and thunderstorms on Saturday. The better threat for more organized thunderstorms will be late Saturday night and Sunday. A few storms will have the potential to become strong to marginally severe with gusty downburst winds and hail, mainly along and ahead of the front. Frequent cloud to ground lightning will likely accompany storms later Saturday night and on Sunday.

With a large upper level trough and associated cold front arriving this weekend, here's the current timing of hazards and impacts for weekend plans. The wettest period and chance for a few strong to severe storms will be late Saturday night and Sunday. In addition, localized heavy rainfall between 1 to 2 inches east of I-35/35E on Sunday with brief minor flooding possible. We'll continue to refine forecasts with this system as we move toward the weekend. Timing , hazards, and impacts are all subject to change.

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Shear (0-6Km)

The 0-6 km shear vector. Values generally greater than 40 knots are supportive of supercells, although in high instability environments this can be as low as 30 knots.

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Turning Stormy in the Northwest

Convective Parameters Shear - 0-6km