National Weather Service United States Department of Commerce

Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >

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This page is maintained by the National Weather Service San Francisco Bay Area/Monterey Bay Region.
Forecasts on this page are generally updated twice per day by 5:00 AM and 5:00 PM.

 

This page was developed as a decision tool for our partners to make more informed decisions due to potential weather impacts. This page is not an official forecast product and graphics may not always be update. 
 
Probabilistic Precipitation Graphics

 

 
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MaxT Day 1 Day2 Day3 Day4 Day5
Probability MaxT > 90 Day 1 Day2 Day3 Day4 Day5
Probability MaxT > 100 Day 1 Day2 Day3 Day4 Day5
Probability Graphic

 

 
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MinT Day 1 Day2 Day3 Day4 Day5
Probability MinT < 32 Day 1 Day2 Day3 Day4 Day5
Probability MinT < 28 Day 1 Day2 Day3 Day4 Day5
Probability Graphic

 

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Max Gust Day 1 Day2 Day3 Day4 Day5
Probability Max Wind Gust 25 mph or More Day 1 Day2 Day3 Day4 Day5
Probability Max Wind Gust 40 mph or More Day 1 Day2 Day3 Day4 Day5
Probability Graphic