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Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT THU JUL 10 2025

...Today in metro Denver weather history...

29-15 In 2000...the 29th marked the beginning of a near record hot
        streak for metro Denver.  The high temperatures...as recorded
        at Denver International Airport...exceeded the 90 degree mark
        for 17 consecutive days from June 29th through July 15th.
        The record of 24 consecutive 90 degree or above days was
        set from July 13th through August 5th...2008.
1-18  In 1874...a streak of 18 consecutive days of 90 degrees...from
        the 1st to the 18th...tied for second with another streak
        that was later set in the summer of 1901. The record of 24
        consecutive days was established in the summer of 2008.
6-23  In 1901...from the 6th to the 23rd...a streak of 18 consecutive
        days of 90 degrees tied for second with another streak set
        in the summer of 1874. The record of 24 consecutive days was
        established in the summer of 2008.
7-25  In 1934...a streak of 15 consecutive days of 90 degrees...from the
        7th to the 25th...ranked 5th on the list of hot streaks.  The
        record of 24 consecutive days was established in the summer of
        2008.
9-10  In 1980...from the 9th to the 10th...a series of severe
        thunderstorms hit metro Denver...dumping heavy rain and
        producing a spectacular lightning display lasting for several
        hours.  A number of homes were damaged by lightning.  Winds
        gusted to 60 mph at Stapleton International Airport where
        about half an inch of rain fell in just 10 minutes along with
        1/4 inch diameter hail.  The evening thunderstorms continued
        into the early morning hours with total rainfall of 1.35
        inches at Stapleton International Airport.
      In 1998...from the 9th to the 10th...thunderstorm rainfall totaled
        2.04 inches at the site of the former Stapleton International
        Airport.
10    In 1878...a lunar rainbow was observed during a light mist and
        fog.
      In 1895...the temperature warmed to a high of only 53 degrees...
        the all-time record lowest maximum temperature for the month
        of July.
      In 1967...golf ball size hail damaged aircraft at Jefferson
        County Airport near Broomfield.
      In 1983...two people were injured when struck by lightning
        just southwest of Morrison.  A man was injured when he was
        swept downstream by a flash flood on a tributary of Clear
        Creek in the canyon 8 miles west of Golden.  Heavy
        thunderstorm rains caused mudslides which closed several
        roads.  Rainfall amounts included:  1.75 inches in 20
        minutes in southeast Denver...1.26 inches in 35 minutes in
        Boulder...2.14 inches in 2 hours in Lakewood...1.70 inches in
        45 minutes in Aurora...and 1.25 inches in 30 minutes atop
        Floyd Hill in the foothills west of Denver.
      In 1992...storm spotters reported 3/4 inch diameter hail
        near the construction site of the new Denver airport just
        northeast of the city.
      In 1995...microburst winds toppled a pine tree 60 feet high
        and 2 feet in diameter in Denver.  The tree fell and
        injured a man nearby.  Microburst winds to 59 mph broke the
        glass on a door at the National Weather Service Forecast
        Office at the site of the former Stapleton International
        Airport.
      In 1998...thunderstorm rainfall totaled 2.35 inches at
        Denver International Airport.
      In 2000...three children were injured...one critically...when
        lightning hit a nearby tree at Panorama Point atop
        Flagstaff Mountain just west of Boulder.  Lightning hit
        the tree...entered the ground...then struck the children.
        Lightning sparked a grassfire that burned about 50 acres
        at the Rocky Flats Environmental Test Facility.  Also...
        lightning sparked at least 6 fires in the Hudson and
        Keenesburg areas as thunderstorms...accompanied with heavy
        rain...large hail...and tornadoes...moved through southern
        Weld County.  Over 2 inches of very heavy rain caused
        flooding along an I-76 exit ramp near Keenesburg.  The
        fire department rescued 15 stranded motorists as high
        water inundated sections of the exit ramp and adjacent
        highway.  Basements were also flooded in Keenesburg.
        One home reportedly had 7 feet of standing water in the
        basement before the rain subsided.  A weak tornado (F0)
        touched down briefly near Brighton...but caused no damage.
      In 2001...a severe thunderstorm dumped 7/8 inch diameter
        hail in Wheat Ridge.
      In 2002...severe thunderstorms pelted the southern suburbs
        of metro Denver with large hail.  Hail as large as
        3 inches in diameter fell 6 miles southeast of Parker.
        Other large hail reports included 2 inch diameter
        hail around Centennial Airport and 3/4 inch hail near
        Sedalia and Deckers.  Hail as large as 3/4 inch was
        also reported in Broomfield.  Runoff from heavy
        thunderstorm rainfall in the Hayman Fire burn area
        flooded Lost Creek Ranch with up to 18 inches of water
        just off State Highway 126.  Floodwaters damaged a very
        expensive rug in the lodge.  A driveway to a residence
        was washed away.  In Douglas County...runoff damaged
        forest access roads in the Turkey Creek drainage.
      In 2011...a severe thunderstorm produced intense
        microburst winds in southeast Boulder County.  A peak
        wind gust to 75 mph was recorded in Superior with
        gust to 58 mph...2 miles south of Lafayette. At Denver
        International Airport...a peak wind gust of 31 mph was
        recorded.

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