Fire Weather Watch
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
1252 AM MDT Thu Jun 26 2025
WYZ280-270000-
/O.NEW.KRIW.FW.A.0002.250627T1800Z-250628T0300Z/
Natrona County/Casper BLM-
1252 AM MDT Thu Jun 26 2025
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING...
The National Weather Service in Riverton has issued a Fire Weather
Watch, which is in effect from Friday afternoon through Friday
evening.
* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty
Winds could cause erratic fire behavior.
* AFFECTED AREA:
In Central WY...Fire Weather Zone 280.
* COUNTIES AFFECTED:
In Central WY...Natrona.
* WIND: West 15 to 25 mph with gusts up to 35 mph.
* HUMIDITY: As low as 9 percent.
* TEMPERATURES: Highs between 90 and 95.
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.
&&
$$
http://weather.gov/riverton
Air Quality Alert
COC031-035-059-005-123-001-013-069-014-262200-
Denver-Douglas-Jefferson-Arapahoe-Weld-Adams-Boulder-
Larimer-Broomfield-
410 PM MDT Wed Jun 25 2025
...OZONE ACTION DAY ALERT FROM 400 PM WEDNESDAY UNTIL 400 PM
THURSDAY...
The Colorado Department of Public Health and Environment has
issued the following...
WHAT...Ozone Action Day Alert.
WHERE...Douglas, Jefferson, Denver, western Arapahoe, western
Adams, Broomfield, Boulder, Larimer, and Weld Counties
WHEN...400 PM Wednesday June 25 to 400 PM Thursday June 26
IMPACTS...Ozone Action Day Alert is now in effect for the Front
Range Urban Corridor. On Wednesday, unsettled weather will limit
ozone development. However, on Thursday, hot and stagnant
conditions will allow ozone to reach the Unhealthy for Sensitive
Groups category. For Colorado air quality conditions, forecasts,
and advisories, visit:
https://www.colorado.gov/airquality/colorado_summary.aspx If
possible, please help us reduce ozone pollution by limiting
driving gas and diesel-powered vehicles until at least 4 p.m.
Thursday, June 26, 2025. Colorado is also addressing ozone
pollution through state policies. For more information about
health impacts and how ozone pollution forms in Colorado, visit:
https://cdphe.colorado.gov/ozone- pollution-and-your-health
HEALTH INFORMATION...Increasing likelihood of respiratory symptoms
and breathing discomfort in active children and adults and people
with lung disease, such as asthma. Active children and adults, and
people with lung disease, such as asthma, should reduce prolonged
or heavy outdoor exertion.
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Rapid City SD
427 AM MDT Thu Jun 26 2025
SDZ001-002-012-013-024>031-041-042-072>076-078-271300-
Harding-Northern Perkins-Butte-Northern Meade Co Plains-
Northern Black Hills-Northern Foothills-Rapid City-
Southern Foothills-Central Black Hills-Southern Black Hills-
Custer Co Plains-Pennington Co Plains-Western Fall River-
Northern Oglala Lakota-Sturgis/Piedmont Foothills-
Southern Meade Co Plains-Hermosa Foothills-Eastern Fall River-
Southern Oglala Lakota-Southern Perkins-
427 AM MDT Thu Jun 26 2025
This Hazardous Weather Outlook is for portions of northwestern
South Dakota...southwestern South Dakota...and the Black Hills of
South Dakota.
.DAY ONE...Today and Tonight
A few thunderstorms cannot be ruled out this afternoon through
tonight. Organized severe thunderstorms are not expected.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
Isolated severe thunderstorms are possible on Friday. Large hail
and damaging winds will be the primary risks.
Daily chances for thunderstorms will continue through much of the
period. For now, organized severe thunderstorms are not expected
after Friday.
.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
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
427 AM MDT Thu Jun 26 2025
WYZ054>060-271300-
Northern Campbell-Southern Campbell-Western Crook-
Wyoming Black Hills-Weston County Plains-Newcastle-
Northeastern Crook-
427 AM MDT Thu Jun 26 2025
This Hazardous Weather Outlook is for portions of northeast
Wyoming...and the Black Hills of Wyoming.
.DAY ONE...Today and Tonight
A few thunderstorms cannot be ruled out this afternoon through
tonight. Organized severe thunderstorms are not expected.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
Daily chances for thunderstorms will continue through much of the
period. For now, organized severe thunderstorms are not expected.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
257 AM MDT Thu Jun 26 2025
WYZ001>020-022>030-271300-
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-
257 AM MDT Thu Jun 26 2025
...Fire Weather Watch for the lower elevations of Natrona County
Friday afternoon and evening...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Elevated fire weather possible across much of central and southern
Wyoming.
Isolated afternoon showers and thunderstorms in northern Wyoming,
some with strong wind gusts.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday...Elevated to critical fire weather likely across much of
the area in the afternoon and evening.
Saturday...Elevated fire weather likely for much of the area.
Isolated afternoon showers and thunderstorms.
Sunday through Wednesday...Isolated showers and thunderstorms
possible each afternoon.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Cheyenne WY
1225 AM MDT Thu Jun 26 2025
NEZ002-003-019>021-054-055-095-096-WYZ101>119-270630-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
1225 AM MDT Thu Jun 26 2025
This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.
.DAY ONE...TONIGHT
Isolated shower chances expected Thursday, mainly along the I-25
corridor.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
Warmer and drier weather expected Friday through the weekend, with
a slight chance for daily afternoon showers and storms.
.Spotter information statement...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1043 AM MDT Wed Jun 25 2025
COZ030>051-261645-
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-
1043 AM MDT Wed Jun 25 2025
This hazardous weather outlook is for northeast and north central
Colorado.
.DAY ONE...Today and Tonight
Thunderstorms will develop over the Front Range mountains and in
the I-25 corridor this afternoon and move east across the plains
through this evening. Some of these storms may produce damaging
wind gusts especially across the far northeast corner of Colorado.
Storms will also produce heavy rain which could lead to localized
flooding, especially over the eastern portion of the plains.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
Temperatures will warm up each day through Saturday with highs in
the mid 90s returning across the plains on Saturday. There will be
a daily chance for an isolated strong to severe storms but there
is not expected to be any day with widespread severe weather.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is likely after noon today to report potential
severe wind or hail.
$$
