Hazardous Weather Outlook
Issued by NWS Denver/Boulder, CO

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

FLUS45 KBOU 181030

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
430 AM MDT Sun Mar 18 2018

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
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
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
430 AM MDT Sun Mar 18 2018

...Winter Weather Advisory for the Mountains this afternoon
through Monday morning...
...Winter Weather Advisory for the Palmer Divide tonight...

This hazardous weather outlook is for northeast and north central

.DAY ONE...Today and Tonight

A storm system will move across the area this afternoon and
tonight. This system will bring snow to the mountains with showers
and a few thunderstorms across the plains. Rain will change to
snow this evening along the Front Range Urban Corridor and across
the rest of the plains by midnight. In addition north winds of 20
to 35 mph with gusts up to 50 mph at times will develop over the
plains overnight with areas of blowing snow. Snow accumulations
will range from 4 to 12 inches in the mountains and northern
foothills. Accumulations over the plains will be in the 1 to 4
inch range with up to 6 inches over the palmer divide.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Snow will taper off from west to east across the eastern plains
through early Monday morning, while a few showers will linger
through the day in the mountains. Additional accumulations will be
an inch or less. People planning travel early Monday morning over
the eastern plains, Palmer Divide, and mountains including the
I-70 Corridor through Summit county should be prepared for
variable winter travel conditions.

Drier and warmer weather will redevelop across the forecast area
Tuesday into Wednesday, before the mountains see more snow in the
forecast for Thursday into Friday.


Spotter activation will not be needed today or tonight. Any
reports of snow accumulation or rain changing to snow will be


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.