Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Riverton WY
1250 AM MDT Sat Oct 4 2025
WYZ001>020-022>030-051300-
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-
1250 AM MDT Sat Oct 4 2025
...Winter Weather Advisories in effect for Bighorns, Absarokas,
Tetons and eastern Wind River Range from this afternoon through
Sunday...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Saturday...Periods of rain likely across much of the area. Snow
likely in the mountains with several inches at the higher
elevations of the Absaroka, Wind River, and Bighorn Mountains,
with the worst conditions tonight. Please see Winter Weather
Products and forecasts for details.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Sunday...Light to moderate snow continues in the mountains. Sub
freezing temperatures possible at lower elevations Sunday night.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
322 AM MDT Sat Oct 4 2025
SDZ001-002-012>014-024>032-041>044-046-047-049-072>078-WYZ054>060-
051300-
Harding-Northern Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Black Hills-Northern Foothills-Rapid City-
Southern Foothills-Central Black Hills-Southern Black Hills-
Custer Co Plains-Pennington Co Plains-Haakon-Western Fall River-
Northern Oglala Lakota-Northern Jackson-Bennett-Mellette-Todd-
Tripp-Sturgis/Piedmont Foothills-Southern Meade Co Plains-
Hermosa Foothills-Eastern Fall River-Southern Oglala Lakota-
Southern Jackson-Southern Perkins-Northern Campbell-
Southern Campbell-Western Crook-Wyoming Black Hills-
Weston County Plains-Newcastle-Northeastern Crook-
322 AM MDT Sat Oct 4 2025 /422 AM CDT Sat Oct 4 2025/
This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.
.DAY ONE...Today and Tonight
There is a slight chance for thunderstorms today. Severe weather
is not expected, but some storms could produce gusty winds and
small hail.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
Hazardous Weather Outlook
National Weather Service Grand Junction CO
312 AM MDT Sat Oct 4 2025
COZ001>014-017>023-UTZ022>025-027>029-050915-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-Upper Gunnison River Valley-
Uncompahgre Plateau and Dallas Divide-Northwest San Juan Mountains-
Southwest San Juan Mountains-Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
312 AM MDT Sat Oct 4 2025
This Hazardous Weather Outlook is for northwest Colorado, southwest
Colorado, west central Colorado, east central Utah, northeast Utah
and southeast Utah.
.DAY ONE...Today and tonight.
Widespread showers and thunderstorms will continue through this
evening, bringing gusty winds, frequent lightning, and brief heavy
rain. In addition, strong, gusty southwesterly winds are anticipated
with widespread gusts of 30-40 mph, and locally higher gusts
possible. Temperatures cool significantly, and light snow is possible
above 9k feet.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Cool temperatures linger through tomorrow before more seasonable
weather returns early next week. Chances for mountain showers and
storms return by midweek.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Cheyenne WY
301 AM MDT Sat Oct 4 2025
NEZ002-003-019>021-054-055-095-096-WYZ101>119-050915-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
301 AM MDT Sat Oct 4 2025
This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.
.DAY ONE...TODAY AND TONIGHT
There is a Marginal Risk (Level 1 of 5) for severe weather across
all of southeast Wyoming and western Nebraska today. Strong winds
possible at Arlington, Bordeaux, and the I-80 Summit this
afternoon and evening behind the cold front. Gusty winds expected
everywhere behind the front.
.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY
Precipitation chances continue into Sunday with temperatures 10
to 20 degrees cooler than Saturday.
.Spotter information statement...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1108 AM MDT Fri Oct 3 2025
COZ030>051-041715-
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-
1108 AM MDT Fri Oct 3 2025
This hazardous weather outlook is for northeast and north central
Colorado.
.DAY ONE...This Afternoon and Tonight
No hazardous weather is expected through tonight.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
Winds will increase Saturday, with gusts to 30-40 mph over the
plains and high mountain valleys by afternoon. Lighter winds will
likely persist in the Boulder to Fort Collins corridor. There
will be a threat of a couple severe thunderstorms over the
northeast plains in the late afternoon and evening, with strong
outflow winds to around 60 mph possible.
With the winds will also come elevated fire weather conditions.
Mountain areas will see mainly snow showers by Saturday night,
bu only light snow accumulations (less than 2 inches) expected.
A chance of showers will linger through early next week, along
with cooler and below normal temperatures. Drier and warmer weather
will return for the latter portions of next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today or tonight.
$$
