Fire Weather Watch
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
118 AM MDT Tue Aug 12 2025
WYZ277-279-280-289-300-130000-
/O.NEW.KRIW.FW.A.0007.250813T1800Z-250814T0200Z/
Lincoln and Uinta Counties/Lower Elevations-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Natrona County/Casper BLM-
Granite/Green/Ferris/Rattlesnake Mountains-Casper Mountain-
118 AM MDT Tue Aug 12 2025
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING...
The National Weather Service in Riverton has issued a Fire Weather
Watch, which is in effect from Wednesday afternoon through
Wednesday evening.
* IMPACTS: Low Humidities and Strong Gusty Winds could cause
erratic fire behavior.
* AFFECTED AREA:
In Central WY Fire Zones...280...289...300.
In Southwest WY Fire Zones...277...279.
* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona.
In Southwest WY...Sweetwater...Uinta.
In West Central WY...Lincoln.
* WIND: West to southwest 10 to 20 mph with gusts up to 30 mph.
* HUMIDITY: As low as 12 percent.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible Red
Flag Warnings.
&&
$$
http://weather.gov/riverton
Special Weather Statement
Special Weather Statement
National Weather Service North Platte NE
354 AM CDT Tue Aug 12 2025
NEZ056>058-069-070-121200-
Deuel-Keith-Perkins-Chase-Hayes-
Including the cities of Chappell, Big Springs, Ogallala, Paxton,
Grant, Champion, Enders, Imperial, Wauneta, and Hayes Center
354 AM CDT Tue Aug 12 2025 /254 AM MDT Tue Aug 12 2025/
Fog has continued to expand overnight, bringing reductions in
visibility down to one quarter mile or less at times. Fog is
expected to be most dense along area rivers. Fog is expected to
last through the rest of tonight and should begin dissipating
shortly after sunrise.
Drivers can expect rapidly changing visibility conditions,
including along Interstate 80 and Highway 61.
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Rapid City SD
436 AM MDT Tue Aug 12 2025
SDZ001-002-012>014-024>026-028-030>032-042>044-046-047-049-
072>074-077-078-131300-
Harding-Northern Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Black Hills-Northern Foothills-Rapid City-
Central Black Hills-Custer Co Plains-Pennington Co Plains-Haakon-
Northern Oglala Lakota-Northern Jackson-Bennett-Mellette-Todd-
Tripp-Sturgis/Piedmont Foothills-Southern Meade Co Plains-
Hermosa Foothills-Southern Jackson-Southern Perkins-
436 AM MDT Tue Aug 12 2025 /536 AM CDT Tue Aug 12 2025/
This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.
.DAY ONE...Today and Tonight
Isolated thunderstorms may occur late tonight over northwestern
South Dakota, but severe thunderstorms are not expected.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
There is a marginal risk (level 1 of 5) of severe thunderstorms
Wednesday afternoon and evening, meaning that isolated severe
storms are possible. Primary hazards include damaging winds and
large hail.
Additional thunderstorms may occur Thursday night, but organized
severe thunderstorms are not expected.
.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
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
436 AM MDT Tue Aug 12 2025
SDZ027-029-041-075-076-WYZ054>060-131300-
Southern Foothills-Southern Black Hills-Western Fall River-
Eastern Fall River-Southern Oglala Lakota-Northern Campbell-
Southern Campbell-Western Crook-Wyoming Black Hills-
Weston County Plains-Newcastle-Northeastern Crook-
436 AM MDT Tue Aug 12 2025
This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.
.DAY ONE...Today and Tonight
Isolated thunderstorms may develop near the Montana border late
tonight, but severe thunderstorms are not expected.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Isolated thunderstorms are possible Wednesday night and Thursday
night, but organized severe thunderstorms are not expected at this
time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
Hazardous Weather Outlook
National Weather Service North Platte NE
444 AM CDT Tue Aug 12 2025
NEZ004>010-022>029-035>038-056>059-069>071-094-130945-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
444 AM CDT Tue Aug 12 2025 /344 AM MDT Tue Aug 12 2025/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...Today and tonight.
Patchy dense fog will last through the early morning across southwest
Nebraska. Visibility may drop below one quarter mile at times.
Drivers should exercise caution and be prepared for rapidly changing
visibility conditions.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Thunderstorms are possible across portions of northern Nebraska
Wednesday night. Strong, gusty winds are possible with the stronger
storms.
Temperatures climb late week, bringing heat index values in the
upper 90s to lower 100s on both Thursday and Friday. Heat index
values are expected to be highest across portions of southwest
Nebraska and also for areas east of Highway 83.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Grand Junction CO
258 AM MDT Tue Aug 12 2025
COZ001>014-017>023-UTZ022>025-027>029-131200-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-Upper Gunnison River Valley-
Uncompahgre Plateau and Dallas Divide-Northwest San Juan Mountains-
Southwest San Juan Mountains-Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
258 AM MDT Tue Aug 12 2025
This Hazardous Weather Outlook is for northwest Colorado, southwest
Colorado, west central Colorado, east central Utah, northeast Utah
and southeast Utah.
.DAY ONE...Today and tonight.
Isolated to scattered thunderstorms are possible over the San Juans
this afternoon.
Smoke from local wildfires will impact visibility and air quality at
times over the next 24 hours.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Afternoon thunderstorms continue to pose a threat through the seven-
day forecast, especially over the higher terrain.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
211 AM MDT Tue Aug 12 2025
WYZ001>020-022>030-131300-
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-
211 AM MDT Tue Aug 12 2025
...Fire Weather Watch for southwestern and portions of central
Wyoming Wednesday afternoon and evening...
This Hazardous Weather Outlook is for Western and Central
Wyoming.
.DAY ONE...Today and Tonight.
Isolated afternoon thunderstorms in and near the northern
Mountains.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...Critical fire weather possible across portions of
southern and central Wyoming. Please see Fire Weather Watch for
details. Elevated fire weather possible many other locations.
Wednesday through Sunday...A chance of afternoon and evening
thunderstorms each day, with Friday looking to have the greatest
coverage.
.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
1051 AM MDT Mon Aug 11 2025
COZ030>051-121700-
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-
1051 AM MDT Mon Aug 11 2025
This hazardous weather outlook is for northeast and north central
Colorado.
.DAY ONE...Today and Tonight
Only isolated showers and thunderstorms can be expected over the
mountains and Palmer Divide area this afternoon and early evening.
They will produce brief rain and gusty winds to around 40 mph.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Dry conditions will prevail through the middle of this week.
Temperatures will also return to above normal levels with highs
reaching the mid to upper 90s over the plains and I-25 Corridor
Wednesday and Thursday.
By late in the week, moisture will start to increase which will
lead to scattered showers and storms starting Thursday. The
highest coverage through the weekend will be over the mountains.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be required today or tonight.
$$
