Bay Area and Central Coast Probabilistic Weather Information

Areas of Excessive Rainfall and Dangerous Heat

Heavy to severe thunderstorms may bring areas of excessive rainfall and flooding over parts of the southern Plains through Friday. Hot to dangerously hot temperatures are forecast again across portions of the Pacific Northwest and southern Great Basin Tuesday. Read More >

Welcome to the National Weather Service San Francisco Bay Area Decision Support Services Page!

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

Hot Weather

Cold Weather

Wind

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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

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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

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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