National Weather Service United States Department of Commerce

Severe Weather and Flash Flooding Potential for the Center of the Nation

An upper level trough coinciding with surface frontal boundaries will focus showers and thunderstorms from the Great Lakes region into the Ohio and Tennessee Valley's, central and southern Plains. Instances of flash flooding, damaging winds and large hail are possible. Meanwhile, increasing waves and rip currents for portions of the eastern seaboard this week as tropical Atlantic is active. 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