Current Watches and Warnings
Colorado, South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet
Winter Storm Watch
Statement as of 3:28 PM MDT on April 25, 2015
Expires 2:00 PM EDT on April 27, 2015
... Winter Storm Watch in effect from Sunday afternoon through
The National Weather Service in Denver has issued a Winter Storm
Watch... which is in effect from Sunday afternoon through Monday
* Timing... although convective showers will occur tonight... more
widespread snow will begin late tomorrow morning with lowering
snow levels through Monday. Heaviest snow looks to occur above
10 thousand feet late tomorrow afternoon then above 8 thousand
feet through Monday morning. Steady but lighter snow will
continue through Monday afternoon.
* Snow accumulations... 6 to 19 inches... with heaviest amounts
east of the Continental Divide along the Front Range mountains.
Snowfall rates of 1 to 2 inches per hour are
possible... especially Sunday night.
* Wind/visibility... east 15 to 20 mph. Visibility may drop below
half a mile in the heavier snow and blowing snow.
* Impacts... travel will become difficult and hazardous due to
heavy snow... snow covered roads and poor visibility. The wet
heavy snow may weigh down trees and break branches.
A Winter Storm Watch means there is a potential for significant
snow that may impact travel. Continue to monitor the latest
Public Information Statement
Statement as of 6:45 PM MDT on April 25, 2015
... This week in Metro Denver weather history...
24-26 in 1924... Post-frontal rain changed to snow... which became
heavy and totaled 10.2 inches over downtown Denver. The
greatest amount of snow on the ground was 6.0 inches on the
25th due to melting. North winds were sustained to 38 mph
with gusts to 42 mph on the 24th.
25-26 in 1985... a Spring storm brought much rain and snow to Metro
Denver. The foothills were buried with 15 inches of snow
at Conifer and 12 inches at Evergreen. At lower elevations...
an inch or more of rain fell in Denver and Boulder. The
heavy precipitation caused brief power outages in the
Denver area. Precipitation totaled 1.06 inches at Stapleton
International Airport... including only 0.7 inch of snowfall.
25-27 in 1877... snow ended around 7:00 am on the morning of the 27th...
after falling continuously for 48 hours and totaling an
estimated 13 inches in the city. The storm... likely
accompanied by strong winds... caused trains to be delayed
for 2 to 3 days. One or two roofs of small buildings were
crushed by the weight of the snow... and many tree branches
were broken in the city. There were a number of reports of
livestock losses. One Stockman lost 17 horses and several
cattle from the snow and cold. Precipitation totaled
1.30 inches from the storm.
26 in 1965... while only 0.40 inch of rain fell at Stapleton
International Airport... some communities in the foothills
west of Denver reported over 30 inches of snow from the
In 1972... a Spring snow storm accompanied by thunder dumped
15.8 inches of heavy wet snow on Metro Denver. Strong
northwest winds gusting to 35 mph produced blowing snow.
The storm was quite intense and greatly hampered travel.
High winds caused drifts 10 to 15 feet deep in some areas...
blocking roads and stranding hundreds of motorists. An
estimated 500 to 600 people were stranded in The Castle
Rock area. Rescue service was provided by heavy Army
equipment from Fort Carson. Power lines were downed... power
poles were toppled... and a number of steel towers carrying
high voltage power lines were downed. Some areas northeast
of Denver were without power for a week. A large number of
cattle and sheep were killed by the storm. The greatest
snow depth on the ground at Stapleton International Airport
was 12 inches. Warm temperatures following the storm
quickly melted the snow.
In 1995... the third major snow storm of the month dumped heavy
snow in and near the Front Range foothills. Six to 12
inches of heavy wet snow fell in the western Metro suburbs
with the heaviest amounts above 6 thousand feet. Both
Boulder and Golden measured 10 inches of snow. Only 2.4
inches of snowfall were measured at the site of the former
Stapleton International Airport. North winds gusted 28 mph
at Denver International Airport.
In 1998... the last in a series of April storms blanketed the
foothills with heavy snow. Snowfall amounts included: 17
inches near Blackhawk... 15 inches at Idaho Springs... 14
inches at Georgetown... 11 inches near Conifer and Morrison.
Only a trace of snow fell at the site of the former
Stapleton International Airport. North winds gusted to
28 mph at Denver International Airport.
26-27 in 1906... rain changed to heavy snow overnight and totaled
7.0 inches over downtown Denver. North winds were
sustained to 16 mph on both days. Precipitation totaled
In 1932... the temperature remained below freezing for more
than 30 consecutive hours. For about 4 of those hours
the temperature hovered around 24 to 25 degrees. At this
time some early Cherry trees were in bloom and apple and
Lilac blossoms were beginning to open. The leaves of
many plants were partly unfurled and vegetation in general
was correspondingly advanced due to the warm weather from
the 11th to the 22nd. However... there was little apparent
injury to foliage and blossoms... but some of the early
Cherry and apple blossoms were injured. Rain changed to
snow on the 26th and continued intermittently through the
27th. Snowfall totaled only 2.0 inches and northeast winds
gusted to 22 mph on the 26th.
In 1964... strong winds caused damage to buildings... trees... and
power lines. Sustained winds of 37 mph with gusts of 50 to
60 mph were recorded in Metro Denver. West-northwest winds
gusted to 44 mph at Stapleton International Airport on the
27 in 1955... west winds at 43 mph with gusts as high as 55 mph
were recorded at Stapleton Airport where blowing dust
briefly reduced the visibility to 3/8 mile.
In 1966... a northwest wind gust to 51 mph was recorded at
Stapleton International Airport.
27-28 in 1919... rainfall totaled 2.03 inches for the two days...
along with a trace of snowfall. Northwest winds were
sustained to 24 mph with gusts to 26 mph on the 27th.
In 1975... high winds gusting to 85 mph severely damaged a
Mobile home in Boulder and caused other minor damage.
West winds gusted to 46 mph at Stapleton International
Airport on the 28th.
In 1996... heavy snow fell over portions of the Front Range
foothills west of Denver. Snowfall amounts ranged from
4 to 7 inches. Only 0.3 inch of snow fell at the site of
the former Stapleton International Airport. North winds
gusted to 41 mph at Denver International Airport on the
28 in 1894... southwest winds were sustained to 35 mph with gusts
as high as 60 mph.
In 1896... apparent Post-frontal bora winds from the northwest
were sustained to 43 mph with gusts as high as 56 mph.
Rainfall totaled 0.22 inch.
In 1990... high winds raked the northeastern plains and eastern
foothills from Boulder north. Wind gusts to 70 mph were
recorded in Boulder. West winds gusted to 41 mph at
Stapleton International Airport.
In 2001... a 21-year-old man was struck by lightning along The
Shoulder of I-225 near Parker Road. His brother's car had
broken down and he stopped to help. The Bolt briefly
stopped the man's heart and caused the right side of his
body to go numb.
In 2003... severe thunderstorms produced large hail across
southern Metro Denver. Hail to 1 3/4 inches in diameter
fell in Englewood and 2 miles east of Centennial Airport.
Hail as large as 1 1/2 inches in diameter fell in Aurora
near Cherry Creek. Other large hail reports included
1 inch hail near Bennett... and 7/8 inch hail in Greenwood
Village and at Centennial Airport.
28-29 in 1950... snowfall totaled 6.3 inches at Stapleton
Airport... but only 3.5 inches over downtown Denver.
In 1960... heavy snow fell at Stapleton Airport where
8.6 inches of snow were measured. North winds gusted to
38 mph. Most of the snow... 6.9 inches... fell on the 29th.
29 in 1898... apparent thunderstorm winds were sustained from
the southwest to 58 mph with gusts to 66 mph.
In 1909... north winds were sustained to 44 mph behind an
apparent cold front. These were the strongest measured
winds of the month that year.
In 1962... heavy snowfall totaled 6.4 inches at Stapleton
Airport where northeast winds gusted to only 17 mph.
Snow fell all day... but the most on the ground was only
1 inch due to melting.
In 1991... two men were struck by lightning while golfing in
Cherry Hills just south of Denver. The two received only
minor Burns. Shortly afterward... lightning struck a home in
Cherry Hills Village several times... leaving numerous holes
in the roof. No injuries were reported.
In 1993... localized strong winds occurred at Jefferson County
Airport near Broomfield where gusts to 63 mph were recorded.
The strong winds were the result of a probable microburst.
In 2000... several severe thunderstorms producing large hail
and destructive winds rumbled across northern Metro Denver.
Thunderstorm wind gusts reached 81 mph near Hudson with
hail as large as 3/4 inch in diameter at Longmont. Several
homes and vehicles sustained damage. The strong winds
uprooted trees and downed utility poles... causing scattered
outages. Lightning sparked a house fire in Boulder. The
fire damaged a portion of the roof and a bedroom on the
third floor. Thunderstorm winds gusted to 53 mph at Denver
In 2003... lightning struck a chimney at a residence in hiwan
in Evergreen... sending stones flying as far as 150 feet.
Electrical equipment in some nearby homes also failed.
Damage to the residence... in addition to electrical
equipment... was estimated at 100 thousand dollars.
Severe thunderstorms produced large hail to 1 inch in
diameter near Hudson and Sedalia and to 3/4 inch near
Parker. Hail as large as 1 3/4 inches was measured 9 miles
north of Sedalia.
In 2014... high winds occured east of Interstate 25. Peak wind
gusts included: 71 mph just north of strasburg; 68 mph at
Denver international airport; 62 mph near elizabeth; 58 mph
at Front Range Airport in Watkins and 11 miles east of Parker.
29-30 in 1964... several weeks of dry weather and windy conditions
across the Great Plains to the east caused noticeable
suspended dust to invade Metro Denver. At Stapleton
International Airport east winds gusted to 28 mph and
visibility was reduced to 5 miles.
In 1989... a late season snowstorm dropped 2 to 4 inches of
snow across Metro Denver with 6 to 12 inches in the
foothills. Snowfall totaled 3.9 inches at Stapleton
International Airport where northeast winds gusted to
23 mph and the greatest snow depth on the ground was
2 inches due to melting.
In 1991... a Pacific storm dumped heavy wet snow across Metro
Denver. The foothills were hit the hardest where snowfall
amounts ranged from 16 inches at Evergreen to 5 inches at
Idaho Springs. Lower elevations of Metro Denver received
5 to 9 inches of snowfall with 5 inches in Boulder and 7.0
inches at Stapleton International Airport where northeast
winds gusted to 25 mph. The weight of the snow caused
power lines to fall and tree limbs to snap... producing power
outages in parts of Denver... Aurora... and Westminster.
In 1999... heavy snow fell overnight in the foothills above
7500 feet elevation. Snowfall totals included: 13 inches
near Rollinsville... 10 inches near Evergreen... 8 inches at
Blackhawk and Nederland... and 7 inches at Conifer. Only
rain fell across the city with 2.13 inches recorded at
Denver International Airport.
29-2 in 1954... a major storm dumped 10.1 inches of snowfall at
Stapleton Airport. Most of the snow... 7.5 inches... fell on
the 29th and 30th. The maximum snow depth on the ground
was 5 inches on the 30th due to melting. No strong winds
accompanied the storm.
30 in 1896... northwest winds were sustained to 55 mph with gusts
as high as 64 mph in the city.
In 1960... the minimum temperature dipped to 22 degrees
at Stapleton Airport. The sub-freezing cold damaged
fruit trees and some other crops in the area.
In 1967... west winds gusted to 51 mph at Stapleton
International Airport. Winds were strong and gusty
across all of Metro Denver.
In 1972... hail 1/2 to 3/4 inches in diameter fell at
Stapleton International Airport. Northwest winds gusted
to 35 mph.
In 1980... a cold air funnel touched down several times near
In 1983... mothball-size hail fell in Wheat Ridge.
In 1992... the all-time highest recorded temperature in April...
90 degrees... occurred. This is also the earliest 90 degree
reading for the season. In addition... the temperature
dipped to a low of only 56 degrees... setting a record high
minimum for the date.
In 1995... hail... up to 3/4 inch in diameter... fell at Denver
International Airport. The hail was soft... lasted for only
8 to 10 minutes... and caused no damage.
In 2002... drought conditions started to have an effect on
greater Metro Denver. April... normally the third snowiest
month of the year in Denver averaging just over 9 inches of
snow... ended with only a trace of snow... ranking the month...
along with previous aprils... the 2nd least snowiest on
record. The month ended with only 0.23 inch of liquid
precipitation making the month the 3rd driest on record.
Mountain snowpack was less than half of normal for this
time of year. A statewide drought emergency was declared
by the governor.
In 2003... a small tornado touched down 10 miles east of Hudson...
but did no damage. Hail as large as 3/4 inch in diameter
fell in Aurora near Cherry Creek.
In 2004... Post-frontal upslope flow produced light snowfall
across Metro Denver. Snowfall was 4.0 inches at Denver
Stapleton... while the temperature hovered in the lower 30's
all day. The high temperature was only 33 degrees... a
record low maximum for the date. The low temperature of
30 degrees was not a record. North winds gusted to 20 mph
at Denver International Airport.
30-1 in 1980... to the west of Denver... heavy rain changing to snow
buried the foothills above 7 thousand feet in 4 to 8 inches
of snow. Precipitation in the foothills ranged from 1 to 3
inches... which caused some local flooding. Rain fell at
lower elevations. Rainfall at Stapleton International
Airport totaled 1.05 inches from the storm.
1 in 1902... northwest winds were sustained to 68 mph with
gusts as high as 74 mph in the city during the early
morning. The apparent very strong Chinook winds warmed
the temperature to a high of 78 degrees.
In 1912... south winds were sustained to 42 mph with gusts
as high as 58 mph. South to southwest winds were strong
In 1935... a moderate duststorm blew into the city at around
2:00 PM on northwest winds sustained to 17 mph with gusts
to 19 mph. Later in the afternoon... the dust receded to
the east in advance of a rainstorm from the west.
In 1988... very strong winds behind a vigorous cold front
produced a blinding dust storm that closed I-70 east of
Denver. Northeast winds over Metro Denver peaked to 45
mph at Stapleton International Airport... but only kicked
up some blowing dust. The temperature plunged from a
high of 76 degrees at midday to 36 degrees at midnight as
light rain changed to light snow.
In 1991... 3/4 inch diameter hail fell at Standley Lake in
northwest Metro Denver.
In 1999... heavy snow developed in the foothills above
7 thousand feet elevation. Snow totals included:
10 inches at Rollinsville... 7 inches near Conifer... and
6 inches atop Crow Hill. Rain fell across Metro Denver.
1-2 in 1903... Post-frontal rain changed to light snow overnight...
but totaled only 2.0 inches. This was the last snow of
the season. Northeast winds were sustained to 45 mph
with gusts to 48 mph on the 1st.
1-5 in 1898... snowfall totaled 15.5 inches in downtown Denver.
Most of the snow... 6.2 inches... fell on the 3rd. Most of
the snow melted as it fell. The greatest snow depth on
the ground was only 2.5 inches on the 3rd at 8:00 PM.
This was the only snowfall during the month. Northeast
winds were sustained to 22 mph on the 1st.
2 in 1874... strong winds upset two Railroad passenger coaches
near Georgetown. The baggage was retrieved and placed in
a heavy... large wagon. The passengers then seated
themselves on top of the baggage. Another strong gust
of wind upset the wagon. The driver's shoulder was
dislocated... and a passenger's leg was badly injured.
In Denver... northwest winds increased and blew in gusts
and heavy winds were observed on the ridge tops. On
the Kansas Pacific r.R. East of Denver... the wind was so
strong that it blew the train back several lengths... which
caused the train to be about 7 hours late arriving in
In 1901... south winds were sustained to 50 mph with gusts to
60 mph from an apparent thunderstorm with hail.
In 1944... snowfall of 8.3 inches was accompanied by a
thunderstorm. This was the last snowfall of the season
and the only snow of the month. Northwest winds were
sustained to 25 mph.
In 1955... southwest winds at speeds of 37 mph with gusts as
high as 58 mph caused some blowing dust at Stapleton
In 1983... 1 inch diameter hail fell a few miles south of
In 1984... 3/4 inch diameter hail fell in Northglenn.
In 1988... I-70 east of Denver was closed for the second
straight day... this time due to snow and blowing snow
producing up to 2 foot drifts. While only 2 to 4 inches
of snow fell across Metro Denver... Strasburg... just east of
Denver... received a foot of snow. North winds peaked to
51 mph at Stapleton International Airport where snowfall
totaled only 1.3 inches.
In 1995... lightning struck a house in Westminster sparking an
2-3 in 1979... heavy rain changed to snow on the 2nd. Snowfall
totaled 3.9 inches at Stapleton International Airport...
where northwest winds gusted to 26 mph. The greatest
depth of snow on the ground was only 1 inch at midday on
the 2nd due to melting. Total precipitation for the 2
days was 1.65 inches.
2-4 in 1987... a slow moving storm brought rain... wind... and snow
to Metro Denver. Rainfall totaled 1.04 inches at
Stapleton International Airport where north winds gusted
to 48 mph on the 3rd. The foothills received 5 to 10 inches
2-5 in 2001... a very slow moving Pacific storm system became parked
near The Four Corners region... which allowed heavy snow to
develop above 6500 feet in the foothills with a mix of rain
and snow over lower elevations of Metro Denver. Snowfall
totals included: 21 inches atop Crow Hill and at Idaho
springs; 19 inches near blackhawk; and 18 inches in Coal
Creek Canyon... Genesee... and 11 miles southwest of Morrison.
Snowfall totaled 6.2 inches at the site of the former
Stapleton International Airport. Precipitation (rain and
melted snow) totaled 2.09 inches at Denver International
Airport where north winds gusted to 30 mph on the 2nd.
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