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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 Cheyenne WY
253 PM MDT Sat Oct 4 2025

NEZ002-003-019>021-054-055-095-096-WYZ101>119-052100-
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-
253 PM 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...THIS AFTERNOON AND TONIGHT

- There is a Slight Risk (Level 2 of 5) for severe weather
  across southeast Wyoming and western Nebraska today.

- Strong winds possible around Arlington late Saturday night.
  Gusts over 50 MPH possible.

.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
944 AM MDT Sat Oct 4 2025

COZ030>051-051545-
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-
944 AM MDT Sat Oct 4 2025

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

.DAY ONE...Today and Tonight

There will be a threat of a few strong to severe thunderstorms
this afternoon and evening, with a couple storms producing
damaging wind gusts to 60 mph or more. The greatest risk will be
along and north of I-70.

Outside of the thunderstorms, southwest winds will continue to
increase today, with gusts to 30-40 mph over most of the area this
afternoon. With the winds will also come elevated fire weather
conditions. Avoid any open burning today.

Mountain areas will see mainly snow showers by this evening as
temperatures turn colder, but only light snow accumulations (less
than 2 inches) expected.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Rain showers will redevelop Sunday evening, concentrating in/near
the foothills along and north of I-70. Snow levels will drop to
around 8,000 feet with a couple inches of snow accumulation
expected in the higher foothills and Front Range mountains.

A slight chance of light showers will linger through early next
week, along with much cooler and well below normal temperatures.
Drier and warmer weather will return for Wednesday through the end
of next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today or tonight. However,
any reports of strong, gusty winds or wind damage will be
appreciated.

$$

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.

$$

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: June 2, 2009
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