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NOUS45 KBOU 010859
PNSBOU
COZ030>051-012300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT MON JUN 1 2026
..TODAY IN METRO DENVER WEATHER HISTORY
29-1 IN 1894...FROM THE 29TH TO THE 1ST OF THE MONTH...HEAVY
RAIN COMBINED WITH SNOWMELT RUNOFF CAUSED WIDESPREAD
FLOODING OVER THE SOUTH PLATTE RIVER BASIN.
RAINFALL WAS HEAVIEST IN THE FOOTHILLS WHERE 5 TO 8
INCHES WERE MEASURED OVER THE 4 DAYS. HEAVY RAINFALL
WEST OF BOULDER FLOODED MINING TOWNS AND DAMAGED MINING
PROPERTIES. IN THE CANYONS ABOVE BOULDER...RAILROADS
AND ROADS WERE WASHED OUT ALONG WITH MANY BRIDGES. THE
FLOODWATERS SPREAD INTO CENTRAL BOULDER AND COVERED A
WIDE AREA FROM UNIVERSITY HILL NORTH TO NEAR MAPLETON
HILL TO A MAXIMUM DEPTH OF 8 FEET. MANY HOUSES WERE
SWEPT AWAY...AND EVERY BRIDGE IN BOULDER WAS DESTROYED.
A FEW PEOPLE...TRAPPED IN THEIR HOMES BY THE FLOODWATERS...
HAD TO BE RESCUED. HOWEVER...THE GRADUAL RISE OF THE FLOOD
WATERS RESULTED IN ONLY ONE DEATH. BOULDER CREEK SPREAD TO
A WIDTH OF NEARLY ONE MILE IN THE PASTURE LAND TO THE EAST
OF BOULDER. EXTENSIVE FLOODING ON LEFT HAND CREEK NORTH
OF BOULDER WASHED AWAY RAILROAD AND WAGON BRIDGES. THE
HEAVY CLOUDBURSTS CAUSED FLOODING ON BEAR CREEK...WHICH
WASHED AWAY BRIDGES...RAILROAD TRACKS...AND STRUCTURES AND
DESTROYED THE CANYON ROADWAY. MORRISON SUSTAINED THE
HEAVIEST FLOOD DAMAGE ON BEAR CREEK. IN DENVER...RAINFALL
TOTALED ONLY 1.50 INCHES ON THE 30TH AND 31ST...BUT THE
HEAVY RAINFALL ON UPSTREAM TRIBUTARIES OF THE SOUTH PLATTE
RIVER CAUSED THE RIVER TO RISE AS MUCH AS 10 FEET ABOVE THE
LOW WATER MARK IN THE CITY...WHICH CAUSED SOME FLOODING OF
PASTURE LAND DOWNSTREAM TO A DEPTH OF 6 FEET NEAR BRIGHTON.
1 IN 1875...A WINDSTORM DURING THE LATE AFTERNOON AND EARLY
EVENING PRODUCED SUSTAINED WINDS TO 50 MPH.
IN 1898...SOUTH WINDS WERE SUSTAINED TO 41 MPH WITH GUSTS
TO 46 MPH.
IN 1917...A TRACE OF UNMELTED SNOW FELL IN DOWNTOWN DENVER.
PRECIPITATION FOR THE DAY TOTALED 0.08 INCH...HALF OF
WHICH WAS ESTIMATED TO BE FROM MELTED SNOW.
IN 1919...SNOWFALL OF 0.4 INCH WAS MEASURED IN DOWNTOWN
DENVER. THIS WAS THE GREATEST CALENDAR DAY AND 24-HOUR
SNOWFALL EVER RECORDED DURING THE MONTH OF JUNE.
PRECIPITATION (RAIN AND MELTED SNOW) TOTALED 0.15 INCH.
TWO TEMPERATURE RECORDS WERE SET. THE LOW TEMPERATURE
OF 32 DEGREES WAS A RECORD MINIMUM FOR THE DATE. THE
HIGH TEMPERATURE OF ONLY 40 DEGREES WAS A RECORD LOW
MAXIMUM FOR THE DATE AND THE MONTH. NORTH WINDS WERE
SUSTAINED TO 36 MPH WITH GUSTS TO 40 MPH.
IN 1951...A TRACE OF SNOW FELL AT STAPLETON AIRPORT.
IN 1961...HAIL AS LARGE AS 1 1/2 INCHES IN DIAMETER FELL
IN WEST DENVER WITH HAIL TO 1 1/4 INCHES REPORTED IN
DERBY.
IN 1965...A MAN STRUCK BY LIGHTNING IN SOUTHEAST DENVER DIED
SHORTLY AFTER BEING ADMITTED TO A HOSPITAL. LIGHTNING
DAMAGED POWER LINES IN EAST AND SOUTHEAST DENVER.
IN 1980...STRONG THUNDERSTORM WINDS BLEW IN THE WINDOWS OF A
MOBILE HOME IN NORTHGLENN.
IN 1990...A THUNDERSTORM PRODUCED WIND GUSTS TO 63 MPH IN
BOULDER. A SMALL TORNADO TOUCHED DOWN IN A FARMER'S FIELD
BETWEEN THE TOWNS OF LOUISVILLE AND LAFAYETTE. ANOTHER
TORNADO WAS SPOTTED IN AN OPEN FIELD 3 MILES WEST OF
BRIGHTON. A FUNNEL CLOUD WAS SIGHTED NEAR HUDSON.
A MICROBURST WIND GUST TO 55 MPH WAS RECORDED AT STAPLETON
INTERNATIONAL AIRPORT. NO DAMAGE WAS REPORTED FROM ANY OF
THESE EVENTS.
IN 1991...SEVERE THUNDERSTORMS PRODUCING LARGE HAIL...DAMAGING
WINDS...FUNNEL CLOUDS...AND HEAVY RAIN WERE WIDESPREAD ACROSS
METRO DENVER. FUNNEL CLOUDS WERE REPORTED IN LAKEWOOD...
BOULDER...ARVADA...AND JUST EAST OF THE ROCKY MOUNTAIN
ARSENAL. HAIL UP TO GOLF BALL SIZE FELL IN LAKEWOOD...JUST
WEST OF SEDALIA...IN LITTLETON...ARVADA...ENGLEWOOD...AND THE
CITY OF DENVER. A MOBILE HOME PARK IN JEFFERSON COUNTY
REPORTED HAIL TO 3 FEET DEEP. UP TO 1.00 INCH OF RAIN
FELL IN 45 MINUTES NEAR BOULDER...CAUSING BOULDER CREEK TO
FLOW OUT OF ITS BANKS. ROCK AND MUD SLIDES FORCED THE
CLOSURE OF MANY ROADS IN BOULDER COUNTY. LATER IN THE
AFTERNOON THUNDERSTORMS PRODUCED RAINFALL AMOUNTS OF 2 TO
3 INCHES OVER A COUPLE OF HOURS. CLEAR CREEK IN GOLDEN
SPILLED OVER ONTO U.S. HIGHWAY 6. HEAVY RAINS WASHED AWAY
PART OF A BRIDGE NEAR ERIE. WATER WAS UP TO 18 INCHES
DEEP IN WESTMINSTER. WIND GUSTS TO 58 MPH WERE REPORTED AT
STAPLETON INTERNATIONAL AIRPORT WHERE 1/4 INCH HAIL FELL...
AND HEAVY THUNDERSTORM RAINFALL TOTALED 0.82 INCHES...BRIEFLY
REDUCING THE VISIBILITY TO 1 1/4 MILES. ESTIMATES OF TOTAL
DAMAGE FROM THESE STORMS WOULD EXCEED 7 MILLION DOLLARS.
IN 1994...HAIL UP TO 1 INCH IN DIAMETER FELL OVER SOUTH DENVER
AND LITTLETON.
IN 1997...TWO SHORT LIVED-TORNADOES FORMED NEAR BENNETT...BUT
DID NO REPORTED DAMAGE.
IN 2002...STRONG WINDS FROM THE OUTFLOW OF DISSIPATING SHOWERS
DEVELOPED TO THE EAST OF DENVER. NEAR STRASBURG...A SPOTTER
RECORDED A WIND GUST TO 58 MPH.
IN 2012...IT WAS THE HOTTEST JUNE IN DENVER SINCE WEATHER
RECORDS BEGAN BACK IN 1872. THE AVERAGE TEMPERATURE FOR
THE MONTH WAS 75.0 DEGREES WHICH WAS 7.6 DEGREES ABOVE
NORMAL. THERE WERE A TOTAL OF SEVENTEEN 90 DEGREE DAYS IN
THE MONTH OF JUNE. THE HIGHLIGHT OF RECORD SETTING MONTH
WAS A STRETCH OF FIVE CONSECUTIVE 100 DEGREE DAYS FROM THE
22ND TO THE 26TH. THIS WAS ONLY THE THIRD TIME IN DENVER
WEATHER HISTORY IN WHICH THIS HAPPENED. TWO OF THE HIGH
TEMPERATURES DURING THE STRETCH PEAKED AT 105 DEGREES...
WHICH SET THE ALL TIME RECORD FOR THE MONTH OF JUNE AND
TIED THE ALL-TIME MAXIMUM TEMPERATURE FOR DENVER.
IN 2019...SEVERE THUNDERSTORMS PRODUCED LARGE HAIL FROM 1 TO
1 3/4 INCH HAIL EAST OF CENTENNIAL AND OVER SOUTHEAST
AURORA.
1-2 IN 2002...UNUSUALLY VERY WARM WEATHER FOR SO EARLY IN JUNE
RESULTED IN TWO TEMPERATURE RECORDS. MAXIMUM TEMPERATURES
OF 96 DEGREES ON THE 1ST AND 93 DEGREES ON THE 2ND WERE
RECORD HIGHS FOR EACH DATE...RESPECTIVELY.
1-4 IN 1977...UNUSUALLY WARM WEATHER FOR THIS EARLY IN JUNE
RESULTED IN 3 MAXIMUM TEMPERATURE RECORDS BEING EQUALED
AT THE TIME: 88 DEGREES ON THE 1ST...90 DEGREES ON THE 2ND...
AND 93 DEGREES ON THE 4TH. MAXIMUM OF 91 DEGREES ON THE
3RD WAS NOT A RECORD.
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