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2 products issued by NWS for: Fort Collins CO
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Winter Weather Advisory

URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
953 PM MDT Sun Apr 18 2021

...HEAVY SNOW AND MUCH COLDER TEMPERATURES MOVING IN MONDAY...

.Snow will develop and become heavy at times from north to south
across the Front Range Monday afternoon, and then continue through
Monday evening. Snowfall rates around one inch per hour can be
expected along the I-25 Corridor, and up to 2 inches per hour in the
Front Range Foothills. Temperatures will drop quickly, causing a
possible flash freeze on roads and very slick/hazardous travel
conditions. Travel should be completed before 5 pm Monday along the
I-25 Corridor, and before 3 pm in the northern foothills.

COZ038>041-043-191200-
/O.CON.KBOU.WW.Y.0025.210419T2100Z-210420T0900Z/
Larimer County Below 6000 Feet/Northwest Weld County-Boulder And
Jefferson Counties Below 6000 Feet/West Broomfield County-North
Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County-Elbert/Central and East Douglas
Counties Above 6000 Feet-Central and South Weld County-
Including the cities of Elbert, Roggen, Arvada, Larkspur,
Boulder, City of Denver, Aurora, Littleton, Brighton, Highlands
Ranch, Fort Lupton, Loveland, Kiowa, Eaton, Longmont, Fondis,
Denver International Airport, Golden, Parker, Castle Rock,
Lakewood, Fort Collins, Greeley, Nunn, and Hereford
953 PM MDT Sun Apr 18 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM MONDAY TO 3
AM MDT TUESDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 6 inches,
  with locally heavier amounts near the base of the foothills.

* WHERE...Fort Collins, Boulder and the western suburbs of Denver,
  Denver, Castle Rock, and Greeley.

* WHEN...From 3 PM Monday to 3 AM MDT Tuesday.

* IMPACTS...Plan on slippery if not difficult travel conditions. The
  hazardous conditions will likely impact the Monday evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Attempt to complete
travel by 5 pm Monday. The latest road conditions for Colorado can
be obtained by calling 5 1 1 or by going to www.cotrip.org

&&

$$

For more information from the National Weather Service, visit
https://weather.gov/bou

Barjenbruch



Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1116 AM MDT Sun Apr 18 2021

COZ030>051-191730-
Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Central and Southeast Park County-
Larimer County Below 6000 Feet/Northwest Weld County-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
1116 AM MDT Sun Apr 18 2021


This hazardous weather outlook is for northeast and north central
Colorado.

.DAY ONE...Today and Tonight

Warm and dry weather today as a ridge moves overhead, temperatures
will be right around normal for this time of year. A few brief
snow showers will be possible over the Continental Divide. Gusty
winds to 25 mph will occur over the eastern plains this afternoon.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

The next storm will bring a strong cold front and widespread
snowfall to all the forecast area Monday and Monday night. Snowfall
amounts could be significant in mountains and foothills with up
to 15 inches of new snow by Tuesday morning by sunrise. The plains
to see 2 to 7 inches during that same time frame. Travel conditions
will become treacherous with icy and snow packed roads. Depending
on how much the skies clear-out on Tuesday morning, record low
temperatures are possible for April 20th. Tuesday into Wednesday
should be dry, then an unsettled pattern moves in from Wednesday
afternoon through Friday with another good chance of precipitation.
It looks a bit warmer later in the week, so rain may fall over
the plains, but still snow in the mountains. Saturday looks dry
and warmer.

.SPOTTER INFORMATION STATEMENT...

Spotter reports will not be needed today or tonight.

$$



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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