Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Riverton WY
550 AM MST Mon Nov 17 2025
WYZ001>020-022>030-181700-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
550 AM MST Mon Nov 17 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and tonight.
Rain and snow showers continue through the morning, and
then decrease in coverage and intensity from west to east during
the afternoon.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Wednesday though Friday... Cooler and unsettled with a chance of
showers, although details remain uncertain.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1048 AM MST Mon Nov 17 2025
COZ030>051-181800-
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-
1048 AM MST Mon Nov 17 2025
This hazardous weather outlook is for northeast and north central
Colorado.
.DAY ONE...Today and Tonight
Snow showers will continue in the northern Colorado mountains
into early evening, although gradually diminishing from south to
north. Travel will be slick and hazardous in spots.
Strong, gusty winds will occur in and immediately adjacent to the
Front Range Mountains and Foothills. Peak gusts near 50 mph will
be possible, and up to 60 mph or more on the highest slopes along
and above the Peak to Peak Highway.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Temperatures will turn cooler early next week and hold near or
below normal through the remainder of this outlook. There will be
another chance of rain and snow Thursday into Friday, but
considerable uncertainty exists regarding the track and intensity
of this potential storm system.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed. However, any reports of
strong winds or accumulating snow in the mountains will be
appreciated.
$$