485  
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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