• Excessive Heat Warning for San Francisco County, California
  • Excessive Heat Warning issued September 02 at 1:13PM PDT until September 04 at 9:00PM PDT by NWS
  • Effective: Saturday, September 2, 2017 at 1:13 p.m.
  • Expires: Monday, September 4, 2017 at 9 p.m.
  • ...Dangerously Hot Conditions Today...
    Today is forecast to be the second consecutive day of extreme
    heat across the entire San Francisco Bay Area and Monterey Bay
    Area. Widespread high temperatures of 100 degrees or higher are
    forecast to occur this afternoon. In addition, cooling overnight
    has been limited and not sufficient enough to provide significant
    relief from the heat. Emergency management officials in the city
    of San Francisco reported excessive numbers of heat related
    illnesses on Friday and hospitals in the City were overwhelmed.
    These are dangerously hot conditions and everyone is encouraged
    to take action to remain cool and to protect themselves from heat
    related illnesses. Remnants of Tropical Storm Lidia will bring a
    cooling trend to the area beginning tomorrow, however, hot
    conditions are expected to persist inland through tomrorow.
    an Excessive Heat Warning remains in effect until 9 PM PDT
    * LOCATIONS INCLUDE...East Bay Hills, the Diablo Range, and all
    mountains and interior valleys of Monterey and San Benito
    * TEMPERATURES...Daytime temperatures on Saturday are forecast
    to range from 100 to 115. Somewhat cooler temperatures are
    forecast for Sunday and Monday. Overnight lows will generally
    range from the mid 60s to mid 70s at lower elevations and in
    from the upper 70s to near 90 in the hills.
    * IMPACTS...HIGH risk of heat related illness, especially for
    sensitive groups: elderly, children, sick people as well as
    pets and livestock. This heat will also be dangerous to anyone
    without proper hydration or adequate cooling.
    * ADDITIONAL IMPACTS...Plan outdoor activities accordingly. Try
    to schedule holiday weekend activities in the morning or
    evening when temperatures will be cooler, and with less
    exposure to direct sunlight.
    An Excessive Heat Warning means that a prolonged period of
    dangerously hot temperatures will occur. Hot temperatures will
    create a dangerous situation in which heat illnesses are likely.
    Drink plenty of fluids...stay in an air-conditioned room...stay
    out of the sun...and check up on relatives and neighbors.

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