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NOUS45 KBOU 210859
PNSBOU
COZ030>051-212300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT SUN JUN 21 2026
..TODAY IN METRO DENVER WEATHER HISTORY
19-21 IN 1875...FROM THE 19TH TO THE 21ST...SMOKE FROM SEVERAL LARGE
FOREST FIRES IN THE MOUNTAINS WAS VISIBLE FROM THE CITY ON
EACH OF THESE DAYS.
20-21 IN 1897...HIGH WINDS RAKED THE CITY OVERNIGHT. SOUTHEAST WINDS
WERE SUSTAINED TO 60 MPH WITH GUSTS AS HIGH AS 72 MPH ON THE
20TH. SOUTHEAST WINDS WERE SUSTAINED TO 57 MPH WITH GUSTS
TO 60 MPH ON THE 21ST.
IN 2007...A BRIEF HOT SPELL PRODUCED TWO TEMPERATURE RECORDS.
THE HIGH TEMPERATURE OF 97 DEGREES WAS TIED ON THE 20TH.
A NEW RECORD HIGH TEMPERATURE OF 99 DEGREES WAS ESTABLISHED
ON THE 21ST.
21 IN 1927...NORTH WINDS WERE SUSTAINED TO 40 MPH WITH GUSTS TO
44 MPH.
IN 1984...LIGHTNING STRUCK AND KILLED TWO CHILDREN STANDING
NEAR A TREE IN A BACKYARD IN LAKEWOOD. STRONG THUNDERSTORM
DOWNBURSTS CAUSED A WIND GUST TO 58 MPH IN NORTHGLENN AND
KNOCKED DOWN TWO POWER POLES NEAR BRIGHTON.
IN 1988...LIGHTNING STRUCK A HOME IN DENVER...CAUSING ABOUT TEN
THOUSAND DOLLARS DAMAGE. LIGHTNING DAMAGED 3 HOMES IN
LITTLETON...AND ALSO HIT A HOUSE IN GREENWOOD VILLAGE THAT
HAD BEEN STRUCK BY LIGHTNING 7 YEARS PREVIOUSLY.
IN 1991...THUNDERSTORMS PRODUCED WIDESPREAD HAIL ACROSS METRO
DENVER. HAIL AS LARGE AS 2 1/2 INCHES FELL AT SEVERAL
LOCATIONS ACROSS SOUTHWEST METRO DENVER. ONE STORM SPOTTER
REPORTED HAIL 8 INCHES DEEP NEAR THE INTERSECTION OF I-25
AND C-470. HEAVY RAIN WITH THE STORMS CAUSED SOME STREET
FLOODING. IN COMMERCE CITY...SEVERAL CARS WERE UNDER WATER...
AND IN WESTMINSTER A POLICE OFFICER REPORTED WATER UP TO
THE DOORS OF HIS CAR. DAMAGE TO HOMES AND AUTOMOBILES
TOTALED 55 MILLION DOLLARS.
IN 1992...A TORNADO TOUCHED DOWN BRIEFLY NEAR BENNETT.
ANOTHER TORNADO WAS BRIEFLY ON THE GROUND NEAR STRASBURG.
IN 1994...HEAVY THUNDERSTORM RAINS CAUSED FLOODING IN METRO
DENVER. SEVERAL VEHICLES WERE STALLED IN THE HIGH WATER
ON I-25. LIGHTNING STRUCK AN UNDERGROUND NATURAL GAS LINE
IN AURORA...CAUSING A FIRE. WIDESPREAD POWER OUTAGES WERE
ALSO OBSERVED.
IN 1996...THREE HOMES WERE STRUCK BY LIGHTNING IN PARKER.
THE LIGHTNING STRUCK THE GARAGE OF THE FIRST HOME...WHICH
STARTED A SMALL FIRE THAT BURNED SOME SIDING AND SPREAD
INTO THE ATTIC. A SECOND HOME SUSTAINED DAMAGE TO THE
ATTIC WHEN A SMALL FIRE WAS STARTED. THE THIRD HOME
RECEIVED ONLY MINOR DAMAGE. LIGHTNING ALSO SPARKED TWO
SMALL GRASS FIRES IN THE AREA. A MAN IN LAKEWOOD RECEIVED
MINOR INJURIES WHEN HE WAS STRUCK BY LIGHTNING WHILE
WORKING ON A LADDER. A FUNNEL CLOUD WAS SIGHTED IN CASTLE
ROCK. STRONG THUNDERSTORM WINDS DOWNED A LARGE TREE NEAR
CROSSROADS MALL IN BOULDER. A SMALL TORNADO (F0) BRIEFLY
TOUCHED DOWN NEAR LAFAYETTE. NO DAMAGE WAS REPORTED.
IN 1997...ONE INCH DIAMETER HAIL WAS MEASURED IN BOULDER.
IN 2002...A THUNDERSTORM WIND GUST TO 62 MPH WAS RECORDED AT
DENVER INTERNATIONAL AIRPORT.
IN 2005...SEVERE THUNDERSTORMS PRODUCED HAIL TO 1 INCH IN
DIAMETER IN BROOMFIELD ALONG WITH 3/4 INCH HAIL NEAR
ARVADA.
IN 2006...A MAN RIDING A MOTORCYCLE WAS STRUCK AND KILLED BY
LIGHTNING ON U.S. HIGHWAY 36 BETWEEN CHURCH RANCH BLVD.
AND SHERIDAN BLVD. IN WESTMINSTER. AFTER THE BIKER WAS
STRUCK...HE AND HIS MOTORCYCLE CRASHED INTO THE CENTER
CONCRETE MEDIAN OF THE HIGHWAY. THE LIGHTNING BOLT LEFT
A CRATER IN THE HIGHWAY ASPHALT THAT MEASURED 18 INCHES
LONG...8 INCHES WIDE AND 4 INCHES DEEP.
IN 2010...A SEVERE THUNDERSTORM PRODUCED HAIL UP TO 1 1/2
INCHES IN DIAMETER NEAR MORRISON. IN LAFAYETTE AND
LOUISVILLE...HAIL UP TO ONE INCH IN DIAMETER WAS OBSERVED.
IN 2014...THREE SMALL TORNADOES TOUCHED DOWN IN EASTERN ADAMS
COUNTY NEAR BARR LAKE...BENNETT AND FRONT RANGE AIPORT.
THE TORNADO NEAR BARR LAKE DAMAGED SOME OUT BUILDINGS AND
A STORAGE SHED. MINOR ROOF DAMAGE TO HOUSES IN THE
IMMEDIATE AREA WAS REPORTED NEAR 168TH AVE AND HAYMONT RD
NEAR 168TH AVE AND HAYMONT RD. IT WAS RATED AN EF1. THE
OTHERS DID NO DAMAGE.
IN 2023...SEVERAL ROUNDS OF LARGE HAIL AND HEAVY RAIN MOVED
ACROSS DENVER AND THE SURROUNDING METRO AREA. THE HAIL
RANGED IN SIZE FROM 1 TO 2 INCHES IN DIAMETER...AND CAUSED
EXTENSIVE DAMAGE TO HOME AND VEHICLES. AT RED ROCK
AMPHITHEATRE A TORRENT OF LARGE HAIL AND HEAVY RAIN
BLASTED THE VENUE. NEARLY 100 PEOPLE ATTENDING A CONCERT
WERE INJURED. SEVEN PEOPLE WERE TAKEN TO HOSPITALS WITH
NON-LIFE-THREATENING INJURIES. MOST OF THE INJURIES
INCLUDED CUTS...WELTS...BRUISES AND BROKEN BONES...MAINLY
FINGERS. A FEW WERE TREATED FOR CONCUSSIONS. SIGNIFICANT
STREET FLOODING OCCURRED IN DENVER...WITH STORM TOTALS OF
1 TO 3 INCHES. IN WATKINS...A FLASH FLOOD FATALITY OCCURRED
ALONG WATKINS AVENUE...JUST NORTH OF 6TH AVE. THE INCIDENT
OCCURRED LATE IN THE EVENING. THE VICTIM'S VEHICLE WAS SWEPT
OFF THE ROADWAY AND SHE TRIED TO CROSS AN AREA OF FAST MOVING
WATER OVERTOPPING THE ROADWAY. HER VEHICLE WAS SWEPT AWAY
UNDER A BRIDGE...ABOUT 400 YARDS DOWNSTREAM. TWO OTHER VEHICLES
WERE ALSO TRAPPED IN THE RUSHING WATER AND THE OCCUPANTS HAD
TO BE RESCUED. A NEW DAILY RECORD OF 1.85 INCHES OF RAINFALL
WAS SET FOR THE DATE AT DENVER INTERNATIONAL AIRPORT.
21-22 IN 1941...STRONG THUNDERSTORMS PRODUCED CLOUDBURSTS OF RAIN
IN BOULDER COUNTY...STARTING DURING THE LATE EVENING OF THE
21ST AND CONTINUING OVERNIGHT INTO THE 22ND. THE HEAVY
RAINS OVER THE BOULDER CREEK...LEFT HAND CREEK...AND SOUTH
ST VRAIN RIVER BASINS PRODUCED FLOODING IN ALREADY SWOLLEN
STREAMS AND TURNED DRY GULCHES INTO RAGING TORRENTS. THE
FORCE OF THE FLOODWATERS SWEPT A MAN FROM THE ARMS OF HIS
WIFE TO HIS DEATH...SEVERELY DAMAGED CANYON HOMES AND SWEPT
OTHERS AWAY...AND HURTLED A CAR DOWN A STEEP EMBANKMENT
AFTER THE DRIVER NARROWLY ESCAPED. WEST OF BOULDER...THE
BOULDER CANYON HIGHWAY WAS LITTERED WITH ROCKS AND DEBRIS
AND COLLAPSED WHEN TWO CULVERTS WERE WASHED AWAY. THE
FLOOD WATERS WASHED MUCH DEBRIS DOWN FOUR MILE CANYON...
DAMAGING THE ROAD NEAR THE CREEK BED. A BRIDGE OVER DRY
CREEK JUST SOUTH OF NIWOT WAS COMPLETELY WASHED AWAY.
IN 1964...SCATTERED HAIL AND RAIN CAUSED PROPERTY DAMAGE AND
LOCAL FLOODING IN BOULDER.
IN 1989...AN UNSEASONABLY COLD WEATHER SYSTEM PRODUCED STRONG
WINDS OVER MUCH OF METRO DENVER AND SNOWFALL IN THE
FOOTHILLS AS LOW AS 7500 FEET ELEVATION. ONE TO 6 INCHES
OF SNOW FELL IN THE FOOTHILLS WEST OF DENVER WITH 15 INCHES
REPORTED ON THE SUMMIT OF MOUNT EVANS. SIX INCHES OF SNOW
WERE MEASURED AT CONIFER. RAINFALL TOTALED ONLY 0.09 INCH
AT STAPLETON INTERNATIONAL AIRPORT WHERE NORTHWEST WINDS
GUSTED TO 29 MPH ON THE 21ST.
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