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October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Behind a cold front, Canadian high pressure will bring cooler and drier weather to the region through Tuesday. While the high gradually weakens and moves off to the south, expect dry and seasonable conditions to finish out the work week.
As Canadian high pressure builds over the region, near to below freezing overnight lows are expected on Mon/Tue nights. This is especially the case over the Alleghenies, possibly extending eastward to the Shenandoah Valley.
These SKYWARN classes are being held this Fall. Additional information can be found at weather.gov/lwx/skywarn.