Bay Area and Central Coast Probabilistic Weather Information

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. 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

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