WEATHER »
  • Red Flag Warning for San Bernadino County-Upper Colorado River Valley County, California
  • Red Flag Warning issued June 26 at 9:03AM PDT until June 26 at 9:00PM PDT by NWS
  • Effective: Monday, June 26, 2017 at 9:03 a.m.
  • Expires: Monday, June 26, 2017 at 9 p.m.
  • .South to southwest winds gusting to around 35 mph will develop
    by early this afternoon and will combine with low relative
    humidity and very dry fuels to create areas of critical fire
    weather conditions over portions of southeast California,
    southern Nevada and northwest Arizona into this evening.
    ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM PDT THIS
    EVENING FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONES 228
    AND 229...
    The National Weather Service in Las Vegas has issued a Red Flag
    Warning, which is in effect from noon today to 9 PM PDT this
    evening.
    * AFFECTED AREA...In California...the Mojave Desert and Lower
    Colorado River Valley...Fire weather zones 228 and 229.
    * TIMING...Winds will increase significantly by noon today and
    will peak in the mid to late afternoon hours then gradually
    decrease this evening.
    * WIND...South to southwest with sustained speeds of 15 to 25 mph
    and gusts around 35 mph along the Colorado River Valley. Winds
    across much of the Mojave Desert zone will be 20 to 35 mph with
    gusts 40 to 50 mph.
    * HUMIDITY...Minimum relative humidity values of 4 to 8 percent
    can be expected this afternoon for most sites.
    * IMPACTS...A Red Flag Warning means that critical fire weather
    conditions are expected. Any fires that develop will likely
    spread rapidly. A combination of strong winds...low relative
    humidity...and warm temperatures can contribute to extreme
    fire behavior.

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