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NOUS45 KBOU 300859
PNSBOU
COZ030>051-302300-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
259 AM MDT THU OCT 30 2025
..TODAY IN METRO DENVER WEATHER HISTORY
27-30 IN 2009...A POWERFUL EARLY SEASON STORM BROUGHT HEAVY
SNOW TO THE FRONT RANGE. THE COMBINATION OF A DEEP
NORTHEASTERLY UPSLOPE FLOW COUPLED WITH ABUNDANT MOISTURE
AND LIFT WITH THE DEVELOPING STORM SYSTEM PRODUCED AN
EXTENDED PERIOD OF MODERATE TO HEAVY SNOWFALL. THE HEAVY
WET SNOW ACCUMULATED ON TREES AND RESULTED IN BROKEN
BRANCHES AND SCATTERED ELECTRICAL OUTAGES. INTERSTATES 70
AND 76 WERE CLOSED EAST OF DENVER. NUMEROUS OTHER ROADS
AND HIGHWAYS WERE SHUT DOWN. THE RED CROSS SET UP NUMEROUS
EMERGENCY SHELTERS FOR STRANDED TRAVELERS. THE BLOWING
SNOW AT DENVER INTERNATIONAL AIRPORT FORCED THE
CANCELLATION OF HUNDREDS OF FLIGHTS. SCHOOLS WERE ALSO
CLOSED. IN THE FOOTHILLS STORM TOTALS INCLUDED: 46 INCHES...
3 MILES SOUTHEAST OF PINECLIFFE; 42 INCHES...3 MILES
SOUTHWEST OF CONIFER; 34 INCHES...3 MILES NORTH OF
BLACKHAWK; 30 INCHES AT ASPEN SPRINGS AND NEAR EVERGREEN...
23 INCHES AT ROXBOROUGH PARK...AND 20 INCHES...3 MILES
SOUTH-SOUTHEAST OF MORRISON. ACROSS THE URBAN CORRIDOR
STORM TOTALS INCLUDED: 25 INCHES IN HIGHLANDS RANCH;
21.5 INCHES NEAR LOUISVILLE...20.5 INCHES IN BROOMFIELD...
20 INCHES AT LAFAYETTE...17.5 INCHES IN BOULDER...17 INCHES
IN WESTMINSTER...16.5 INCHES IN ERIE; 15.5 INCHES IN
ARVADA AND 5 MILES WEST-NORTHWEST OF LITTLETON...15 INCHES
IN LITTLETON...14 INCHES IN ENGLEWOOD...13.5 INCHES IN
LAKEWOOD AND 6 MILES NORTH OF THORNTON; 13.3 INCHES AT
DENVER INTERNATIONAL AIRPORT...11 INCHES...4 MILES SOUTH OF
DENVER; 10.5 INCHES...2 MILES NORTH OF CHERRY HILLS VILLAGE
AND NIWOT.
28-30 IN 1971...A VIGOROUS COLD FRONT PLUNGED TEMPERATURES FROM A
HIGH OF 70 DEGREES ON THE 27TH TO RECORD LOW LEVELS ON THE
29TH AND 30TH. SNOWFALL TOTALED 3.1 INCHES AT STAPLETON
INTERNATIONAL AIRPORT WHERE NORTH WINDS GUSTED TO 23 MPH.
SOME FREEZING DRIZZLE ALSO FELL ON THE 28TH. RECORD DAILY
LOW MAXIMUM TEMPERATURES OF 32 DEGREES ON THE 28TH AND 25
DEGREES ON THE 29TH WERE ESTABLISHED ALONG WITH A DAILY
RECORD MINIMUM OF 13 DEGREES ON THE 30TH.
28-31 IN 1929...RAIN CHANGED TO SNOW ON THE AFTERNOON OF THE 28TH
AND CONTINUED UNTIL MIDDAY ON THE 30TH FOLLOWED BY
INTERMITTENT LIGHT SNOW WHICH CONTINUED THROUGH THE 31ST.
SNOWFALL OVER THE FOUR DAYS TOTALED 16.2 INCHES IN THE
CITY. MOST OF THE SNOW...8.5 INCHES...FELL ON THE 29TH
WITH 6.1 INCHES ON THE 30TH. TEMPERATURES HOVERED IN
20'S DURING MOST OF THE STORM.
29-30 IN 1905...HEAVY SNOWFALL DEVELOPED ON THE EVENING OF THE 29TH
AND CONTINUED THROUGH THE EVENING OF THE 30TH. SNOWFALL
TOTALED 11.0 INCHES IN DOWNTOWN DENVER. PRECIPITATION
WAS 1.02 INCHES. TEMPERATURES WERE GENERALLY IN THE 20'S.
IN 1959...RAIN DURING MOST OF THE DAY ON THE 28TH CHANGED TO
SNOW EARLY ON THE 29TH AND CONTINUED THROUGH MOST OF THE
30TH. HEAVY SNOWFALL TOTALED 7.4 INCHES AT STAPLETON
AIRPORT. NORTH-NORTHEAST WINDS GUSTED TO 24 MPH ON THE
30TH. SOME FREEZING DRIZZLE ALSO OCCURRED ON THE 30TH.
IN 1981...4 TO 8 INCHES OF NEW SNOW WERE RECORDED IN THE
FOOTHILLS WEST OF DENVER. SNOWFALL TOTALED ONLY 0.4 INCH
AT STAPLETON INTERNATIONAL AIRPORT WHERE NORTH WINDS GUSTED
TO 25 MPH.
IN 2019...A STRONG STORM SYSTEM BROUGHT RECORD BREAKING
TEMPERATURES AND UP TO A FOOT OF NEW SNOW TO PARTS OF
DENVER...ESPECIALLY ACROSS THE SOUTH AND SOUTHEAST PORTIONS
OF THE METRO AREA DOWN TO THE PALMER DIVIDE. IN DENVER...
A RECORD LOW MAXIMUM TEMPERATURES OF 18 WAS SET ON THE 29TH...
FOLLOWED BY A RECORD LOW TEMPERATURES OF 3 DEGREES ON THE
30TH. THE COMBINATION OF SNOW AND WIND ALONG THE INTERSTATE
70 CORRIDOR EAST OF DENVER FORCED ITS CLOSURE IN BOTH
DIRECTIONS FOR SEVERAL HOURS DUE TO DRIFTING SNOW AND POOR
VISIBILITY. ONE WEATHER RELATED TRAFFIC FATALITY...OCCURRED
IN THE FOOTHILLS WEST OF DENVER WHICH CLOSED STATE HIGHWAY 6.
THE OFFICIAL SNOWFALL MEASUREMENT AT DENVER INTERNATIONAL
AIRPORT WAS 7.7 INCHES. NUMEROUS SCHOOLS IN AND AROUND THE
DENVER AREA AND TO THE EAST WERE CLOSED DUE TO HEAVY SNOW
AND HAZARDOUS ROAD CONDITIONS. CANCELLATIONS AND DELAYED
FLIGHTS AT DENVER INTERNATIONAL AIRPORT LEFT 800 PASSENGERS
STRANDED AT THE AIRPORT OVERNIGHT. ALONG THE URBAN CORRIDOR
AND PALMER DIVIDE STORM TOTALS INCLUDED: STORM TOTALS
INCLUDED: 12 INCHES AT PONDEROSA PARK...10 INCHES NEAR
FOXFIELD; AND PARKER; 8.5 INCHES IN SOUTHWEST AURORA;
NEAR BUCKLEY AFB...CHERRY CREEK...EAST DENVER...AND SOUTHWEST
AURORA; 8 INCHES IN BOULDER AND NEAR ELIZABETH...FEDERAL
HEIGHTS...LOUISVILLE AND WESTMINSTER; 7.5 INCHES NEAR
CASTLE PINES...7 INCHES IN SOUTHWEST AURORA AND NEAR
SHAMBALLA AND QUINCY RESERVOIR; 6.5 INCHES NEAR ROCKY
FLATS; 6 INCHES NEAR BYERS...ELBERT...GREENWOOD AND
LAKEWOOD.
29-31 IN 1889...THE FIRST SNOWFALL OF THE SEASON TOTALED 14.0 INCHES
OVER THE THREE DAYS IN DOWNTOWN DENVER. SNOWFALL WAS 8.0
INCHES ON THE 29TH AND 5.0 INCHES ON THE 31ST. NORTH TO
NORTHEAST WINDS GUSTED TO 30 MPH ON THE 29TH.
IN 1950...A WARM SPELL RESULTED IN FIVE DAILY TEMPERATURE
RECORDS. RECORD HIGHS OF 84...80...AND 79 DEGREES OCCURRED
ON THE 29TH...30TH...AND 31ST...RESPECTIVELY. LOW TEMPERATURE
OF 49 DEGREES ON THE 30TH WAS THE RECORD HIGH MINIMUM FOR
THE DATE.
IN 1991...THE SECOND SURGE OF COLD ARCTIC AIR IN A MATTER OF
DAYS PLUNGED METRO DENVER INTO THE DEEP FREEZE. WHILE
LOW TEMPERATURES REMAINED ABOVE ZERO...HIGH TEMPERATURES
WERE ONLY IN THE 20'S. THREE TEMPERATURE RECORDS WERE SET:
RECORD LOWS OF 7 DEGREES ON THE 30TH AND 10 DEGREES ON THE
31ST AND A RECORD LOW MAXIMUM OF ONLY 21 DEGREES ON THE
30TH. SNOWFALL WAS LIGHT WITH ONLY 1.9 INCHES RECORDED AT
STAPLETON INTERNATIONAL AIRPORT WHERE EAST WINDS GUSTED
TO 23 MPH.
IN 2002...SNOWFALL TOTALED 4.3 INCHES AT THE SITE OF THE FORMER
STAPLETON INTERNATIONAL AIRPORT. NORTH WINDS GUSTED TO 32
MPH ON THE 29TH BEHIND A COLD FRONT...WHICH PLUNGED
TEMPERATURES WELL BELOW SEASONAL NORMALS. HIGH TEMPERATURES
OF 18 DEGREES ON THE 30TH AND 19 DEGREES ON THE 31ST WERE
RECORD LOW MAXIMUMS FOR EACH DATE. LOW TEMPERATURES DIPPED
TO 12 DEGREES ON THE 30TH AND 15 DEGREES ON THE 31ST.
29-1 IN 1972...HEAVY SNOWFALL TOTALED 15.5 INCHES AT STAPLETON
INTERNATIONAL AIRPORT. HOWEVER...THE HEAVIEST SNOW OCCURRED
ON HALLOWEEN NIGHT WHEN 7 INCHES FELL ON TRICK-OR-TREATERS
DURING A SHORT 3-HOUR PERIOD. I-25 WAS CLOSED SOUTH OF
DENVER. NORTH WINDS GUSTING TO 29 MPH CAUSED SOME BLOWING
SNOW ON THE 1ST. THE SNOW STARTED LATE ON THE 29TH AND
ENDED DURING THE MID AFTERNOON ON THE 1ST. THE GREATEST
SNOW DEPTH ON THE GROUND AT STAPLETON INTERNATIONAL AIRPORT
WAS 13 INCHES ON THE 1ST.
30 IN 1974...A RARE THUNDERSTORM FOR SO LATE IN OCTOBER PRODUCED
HAIL TO 3/8 INCH IN DIAMETER AND 0.10 INCH OF RAIN AT
STAPLETON INTERNATIONAL AIRPORT.
IN 1991...THE HIGH TEMPERATURE WARMED TO ONLY 21 DEGREES...THE
ALL-TIME RECORD LOW MAXIMUM FOR THE MONTH OF OCTOBER. THE
SAME TEMPERATURE ALSO OCCURRED ON OCTOBER 25...1997.
30-31 IN 2018...A STORM SYSTEM BROUGHT A BRIEF PERIOD OF MODERATE
TO HEAVY SNOWFALL TO THE FRONT RANGE MOUNTAINS...FOOTHILLS...
AND PALMER DIVIDE. STORM TOTALS INCLUDED: 11 INCHES NEAR
ALLENSPARK; 7.5 INCHES...6 MILES NORTHWEST OF LYONS; 7
INCHES AT BEAR LAKE; 6.5 INCHES NEAR BAILEY; 6 INCHES NEAR
ASPEN SPRINGS...COPELAND LAKE...FRANKTOWN...LAKE ELDORA AND
LARKSPUR; WITH 5 INCHES NEAR ELIZABETH. A TRACE OF
SNOWFALL WAS OBSERVED AT DENVER INTERNATIONAL AIRPORT.
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