525
NOUS45 KBOU 110859
PNSBOU
COZ030>051-112300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT SAT JUL 11 2026
..TODAY IN METRO DENVER WEATHER HISTORY
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.
11 IN 1872...HEAVY RAINFALL STARTED AT 4:00 PM AND CONTINUED
INTO THE NIGHT. THE HEAVY RAINFALL DAMAGED HOMES AND
BUILDINGS IN ALL PARTS OF THE CITY. RAINFALL TOTALED
1.64 INCHES.
IN 1888...THE TEMPERATURE REACHED 100 DEGREES IN DOWNTOWN
DENVER.
IN 1954...THE HIGH TEMPERATURE CLIMBED TO 102 DEGREES AT
STAPLETON AIRPORT.
IN 1970...A GIRL WALKING IN A PARK IN SOUTHEAST DENVER
RECEIVED EYE AND FACIAL INJURIES WHEN LIGHTNING STRUCK
NEARBY. LIGHTNING ALSO CAUSED NUMEROUS POWER OUTAGES
AND HEAVY RAINFALL PRODUCED LOCAL FLOODING AT SEVERAL
LOCATIONS ACROSS METRO DENVER.
IN 1974...LARGE HAIL UP TO 1 1/2 INCHES IN DIAMETER FELL IN
THORNTON.
IN 1990...THE WORST HAILSTORM IN AMERICAN HISTORY IN TERMS OF
DOLLAR DAMAGE AT THE TIME BATTERED METRO DENVER. STORM
DAMAGE TOTALED 605 MILLION DOLLARS...AS IT CUT A 5-TO 10-MILE
WIDE SWATH FROM JUST SOUTHEAST OF ESTES PARK TO NORTHEAST OF
COLORADO SPRINGS. HAIL AS LARGE AS BASEBALLS (2 3/4 INCHES)
POUNDED METRO DENVER. HARDEST HIT AREAS WERE SOUTHEAST
BOULDER COUNTY...THE JEFFERSON COUNTY AIRPORT IN BROOMFIELD...
ARVADA...EAST WHEAT RIDGE...SOUTHWEST AND SOUTH-CENTRAL
WESTMINSTER...WEST THORNTON...NORTHWEST...WEST-CENTRAL AND
DOWNTOWN DENVER...NORTHEAST AND EAST-CENTRAL LAKEWOOD...JUST
EAST OF LITTLETON...PORTIONS OF ARAPAHOE COUNTY WEST OF I-25...
AND NORTHERN AND CENTRAL DOUGLAS COUNTY NEAR CASTLE ROCK
AND FRANKTOWN. GOLF BALL TO BASEBALL SIZE HAIL SEVERELY
DAMAGED ROOFS ON THOUSANDS OF HOMES AND BUILDINGS...BATTERED
TENS OF THOUSANDS OF AUTOMOBILES...WINDOWS...SIGNS...STREET
LIGHTS...AND TRAFFIC SIGNALS...STRIPPED PAINT...AWNINGS...AND
TRIM FROM BUILDINGS...PUNCHED HOLES IN THE ROOFS OF TWO HOMES
IN ARVADA...KNOCKED OUT POWER AND TELEPHONE SERVICE TO
THOUSANDS OF HOMES AND BUSINESSES...DEFOLIATED THOUSANDS OF
TREES...RIPPED UP GREENS AND FAIRWAYS ON A NUMBER OF GOLF
COURSES...AND SEVERELY DAMAGED SEVERAL AIRCRAFT TIED DOWN AT
JEFFERSON COUNTY AIRPORT. HAIL THE SIZE OF BASEBALLS FELL
FOR SEVERAL MINUTES IN OLD TOWN ARVADA. LATER...GOLF BALL
SIZE HAIL AND HEAVY RAIN PUMMELED TWO NORTHWEST DENVER
AMUSEMENT PARKS. HARDEST HIT WAS ELITCH GARDENS AMUSEMENT
PARK WHERE 47 PEOPLE WERE INJURED AND RECEIVED TREATMENT
FOR BUMPS...CUTS...AND BRUISES AT LOCAL HOSPITALS. MANY OF THE
INJURED WERE STRANDED ON RIDES DURING THE STORM WHEN POWER
FAILED. HAIL CLOGGED STORM SEWERS...CAUSING RAIN WATER TO
BACK UP 3 TO 6 FEET DEEP ON SOME ROADS AND INTERSECTIONS IN
ARVADA. SEVERAL BASEMENTS WERE FLOODED. IN SOME PLACES
HAIL WAS WASHED INTO DRIFTS SEVERAL FEET DEEP. IN ADDITION...
THE STORM SPAWNED 2 SMALL TORNADOES. ONE TOUCHED DOWN
BRIEFLY IN LAKEWOOD NEAR 6TH AVENUE AND KIPLING BLVD....BUT
DID NO DAMAGE. IN CASTLE ROCK...A TORNADO (F1) DID HEAVY
DAMAGE TO SOME HOMES AND VEHICLES IN THE FOUNDERS VILLAGE
DEVELOPMENT NEAR RIDGE ROAD.
IN 2001...LIGHTNING STRUCK TWO HOMES IN THORNTON. MOST OF THE
DAMAGE WAS CONFINED TO THE ATTICS OF BOTH HOMES. HAIL AS
LARGE AS 3/4 INCH IN DIAMETER FELL IN KEENESBURG...LONGMONT...
AND NEAR BOULDER.
IN 2015...A PEAK WIND GUST TO 55 MPH WAS MEASURED FROM THE
NORTHWEST AT DENVER INTERNATIONAL AIRPORT. A TRACE OF
RAINFALL WAS ALSO OBSERVED.
11-12 IN 1872...HEAVY RAIN...FROM 4:00 PM ON THE 11TH UNTIL 2:00 AM
ON THE 12TH...CAUSED MUCH DAMAGE. RAINFALL TOTALED 1.76
INCHES.
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