Hot to extremely hot temperatures are in place across coastal southern California again today and the interior Northwest U.S into Thursday, with the Pacific Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring heavy rainfall and the potential for flooding through the week. Read More >
Long-range climatological forecasts are produced by the Climate Prediction Center (CPC), a branch of the National Weather Service. These include 8-14 day outlooks, monthly outlooks, and seasonal outlooks. |
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Unlike regular "zone forecasts" issued by a local National Weather Service office, the climatological outlooks provide probability forecasts for both temperature and precipitation, divided into tercile groups: below normal, near normal, and above normal. For information about how to read the latest 8 to 14 day outlooks, for example, click here.
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8-14 Day Outlook -- Issued daily by CPC For additional climatological prediction products, visit the CPC (Climate Prediction Center) website. |