Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Grand Junction CO
1038 PM MDT Fri Jul 10 2026
COZ001-002-006-007-UTZ024-027-112000-
/O.CON.KGJT.XH.W.0001.260711T1800Z-260714T0600Z/
Lower Yampa River Basin-Central Yampa River Basin-Grand Valley-
Debeque to Silt Corridor-Eastern Uinta Basin-Arches/Grand Flat-
Including the cities of Rangely, Dinosaur, Dinosaur National
Monument, Craig, Hayden, Meeker, Grand Junction, Fruita, Palisade,
Colorado National Monument, Whitewater, Collbran, De Beque, New
Castle, Mesa, Parachute, Rifle, Silt, Vernal, Jensen, Ballard, Fort
Duchesne, Randlett, Moab, Arches National Park, Castle Valley, and
Thompson Springs
1038 PM MDT Fri Jul 10 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO
MIDNIGHT MDT MONDAY NIGHT...
* WHAT...Dangerously hot conditions with afternoon temperatures as
high as 100 to 106 expected.
* WHERE...In Colorado, Central Yampa River Basin, Lower Yampa River
Basin, Debeque to Silt Corridor, and Grand Valley. In Utah,
Arches/Grand Flat and Eastern Uinta Basin.
* WHEN...From noon Saturday to midnight MDT Monday Night.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Near record temperatures are possible
especially Sunday into Monday during the peak of this event.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Stay cool, stay hydrated, stay informed.
&&
$$
Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
133 AM MDT Sat Jul 11 2026
.Fire Weather Watch for portions of Southeast Wyoming.
NEZ434-WYZ417-418-423-430>433-120000-
/O.NEW.KCYS.FW.W.0031.260712T1800Z-260714T0200Z/
/O.EXT.KCYS.FW.A.0020.260711T1800Z-260712T1800Z/
Pine Ridge/Nebraska National Forest-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
Middle North Platte River Basin/Niobrara and Converse High Plains-
Southwest Carbon County-Laramie Foothills and High Plains-
Laramie East High Plains-Bordeaux/Chugwater/Wheatland-
Goshen/Middle-Lower North Platte River Basin-
133 AM MDT Sat Jul 11 2026
...FIRE WEATHER WATCH NOW IN EFFECT FROM NOON MDT TODAY THROUGH
SUNDAY MORNING FOR LOW RH, CRITICAL FUELS, BREEZY WINDS FOR FIRE
WEATHER ZONES 417, 418, 423, 430, 431, 432, 433, AND 434... ...RED
FLAG WARNING IN EFFECT FROM NOON SUNDAY TO 8 PM MDT MONDAY FOR LOW
RH, CRITICAL FUELS, AND GUSTY WINDS OVER 25 MPH FOR FIRE WEATHER
ZONES 417, 418, 423, 430, 431, 432, 433, AND 434...
The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from noon Sunday to 8 PM MDT Monday.
* AFFECTED AREA...Fire weather zones 417, 418, 423, and 430
through 434.
* WIND... South 10 to 15 mph gusting up to 35 mph
* HUMIDITY... Between 10 and 15 percent
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
106 AM MDT Sat Jul 11 2026
NEZ002-003-019>021-054-055-095-096-WYZ101-102-107-108-118-119-120000-
/O.EXT.KCYS.HT.Y.0001.260711T1800Z-260715T0600Z/
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-East Platte County-Goshen County-Central Laramie
County-East Laramie County-
Including the cities of Bill, Guernsey, Scottsbluff, Douglas,
Sidney, Redington, Hemingford, Gering, Harrisburg, Chadron St
Park, Harrison, Redbird, Kimball, Lusk, Brownson, Angora,
Cheyenne, Bayard, Deer Creek, Wheatland, Agate, Torrington,
Glenrock, Bridgeport, Alliance, Pine Bluffs, and Chadron
106 AM MDT Sat Jul 11 2026
...HEAT ADVISORY NOW IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT
TUESDAY NIGHT...
* WHAT...Afternoon temperatures will be near or exceed 100 degrees
with overnight temperatures between 65 to 70 providing little
relief overnight
* WHERE...Portions of panhandle Nebraska and east central and
southeast Wyoming.
* WHEN...From noon today to midnight MDT Tuesday Night.
* IMPACTS...Hot temperatures and poor hydration may cause heat
illnesses or injuries.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
MM
Fire Weather Watch
URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
133 AM MDT Sat Jul 11 2026
.Fire Weather Watch for portions of Southeast Wyoming.
NEZ434-WYZ417-418-423-430>433-120000-
/O.NEW.KCYS.FW.W.0031.260712T1800Z-260714T0200Z/
/O.EXT.KCYS.FW.A.0020.260711T1800Z-260712T1800Z/
Pine Ridge/Nebraska National Forest-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
Middle North Platte River Basin/Niobrara and Converse High Plains-
Southwest Carbon County-Laramie Foothills and High Plains-
Laramie East High Plains-Bordeaux/Chugwater/Wheatland-
Goshen/Middle-Lower North Platte River Basin-
133 AM MDT Sat Jul 11 2026
...FIRE WEATHER WATCH NOW IN EFFECT FROM NOON MDT TODAY THROUGH
SUNDAY MORNING FOR LOW RH, CRITICAL FUELS, BREEZY WINDS FOR FIRE
WEATHER ZONES 417, 418, 423, 430, 431, 432, 433, AND 434... ...RED
FLAG WARNING IN EFFECT FROM NOON SUNDAY TO 8 PM MDT MONDAY FOR LOW
RH, CRITICAL FUELS, AND GUSTY WINDS OVER 25 MPH FOR FIRE WEATHER
ZONES 417, 418, 423, 430, 431, 432, 433, AND 434...
The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from noon Sunday to 8 PM MDT Monday.
* AFFECTED AREA...Fire weather zones 417, 418, 423, and 430
through 434.
* WIND... South 10 to 15 mph gusting up to 35 mph
* HUMIDITY... Between 10 and 15 percent
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
Air Quality Alert
COC005-059-035-014-031-013-069-001-123-112200-
Arapahoe-Jefferson-Douglas-Broomfield-Denver-Boulder-Larimer-
Adams-Weld-
410 PM MDT Fri Jul 10 2026
...OZONE ACTION DAY ALERT FROM 400 PM FRIDAY UNTIL 400 PM
SATURDAY...
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 Friday July 10 to 400 PM Saturday July 11
IMPACTS...Ozone Action Day Alert is now in effect for the Front
Range Urban Corridor. Hot, dry, and stagnant weather will allow
Ozone to reach the Unhealthy for Sensitive Groups category on
Friday and Saturday. 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.
Saturday, July 11, 2026. 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.
$$
COC101-027-111500-
Pueblo-Custer-
410 PM MDT Fri Jul 10 2026
...AIR QUALITY HEALTH ADVISORY FOR WILDFIRE SMOKE FROM 900 AM
FRIDAY UNTIL 900 AM SATURDAY...
The Colorado Department of Public Health and Environment has
issued the following...
WHAT...Air Quality Health Advisory for Wildfire Smoke.
WHERE...Pueblo and Custer Counties. Locations include, but are not
limited to Pueblo and Westcliffe.
WHEN...900 AM Friday July 10 to 900 AM Saturday July 11
IMPACTS...Moderate to heavy smoke from the Aspen Acres wildfire
will be possible within the advisory area through at least
Saturday morning.
HEALTH INFORMATION...Public Health Recommendations: If smoke is
thick or becomes thick in your neighborhood you may want to remain
indoors. This is especially true for those with heart disease,
respiratory illnesses, the very young, and older adults. Consider
limiting outdoor activity when moderate to heavy smoke is present.
Consider relocating temporarily if smoke is present indoors and is
making you ill. If visibility is less than 5 miles in smoke in
your neighborhood, smoke has reached levels that are unhealthy.
$$
COC113-053-111-091-033-085-111500-
San Miguel-Hinsdale-San Juan-Ouray-Dolores-Montrose-
410 PM MDT Fri Jul 10 2026
...AIR QUALITY HEALTH ADVISORY FOR WILDFIRE SMOKE FROM 900 AM
FRIDAY UNTIL 900 AM SATURDAY...
The Colorado Department of Public Health and Environment has
issued the following...
WHAT...Air Quality Health Advisory for Wildfire Smoke.
WHERE...Montrose, Ouray, San Miguel, Dolores, San Juan and
Hinsdale Counties. Locations include, but are not limited to
Montrose, Nucla, Ouray, Telluride, Dove Creek, Silverton and Lake
City.
WHEN...900 AM Friday July 10 to 900 AM Saturday July 11
IMPACTS...Moderate to heavy smoke from wildfires in Colorado and
Utah will be possible within the advisory area through at least
Saturday morning.
HEALTH INFORMATION...Public Health Recommendations: If smoke is
thick or becomes thick in your neighborhood you may want to remain
indoors. This is especially true for those with heart disease,
respiratory illnesses, the very young, and older adults. Consider
limiting outdoor activity when moderate to heavy smoke is present.
Consider relocating temporarily if smoke is present indoors and is
making you ill. If visibility is less than 5 miles in smoke in
your neighborhood, smoke has reached levels that are unhealthy.
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service North Platte NE
457 AM CDT Sat Jul 11 2026
NEZ004>010-022>029-035>038-056>059-069>071-094-121000-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
457 AM CDT Sat Jul 11 2026 /357 AM MDT Sat Jul 11 2026/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...Today and tonight.
Hazardous weather is not expected at this time.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Much warmer temperatures are expected heading into next week with
consecutive days of afternoon highs in the upper 90s to low 100s for
Sunday through Tuesday. Folks sensitive to excessive heat should
continue to monitor later forecasts for additional details.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Pueblo CO
1237 AM MDT Sat Jul 11 2026
COZ058>089-093>099-120645-
Western Mosquito Range/East Lake County Above 11000 Feet-
Leadville Vicinity/Lake County Below 11000 Feet-
Eastern Sawatch Mountains Above 11000 Feet-
Western Chaffee County Between 9000 and 11000 Feet-
Central Chaffee County Below 9000 Feet-
Western Mosquito Range/East Chaffee County Above 9000 Feet-
Saguache County West of Continental Divide Below 10000 Feet-
Saguache County East of Continental Divide Below 10000 Feet-
La Garita Mountains Above 10000 Feet-
Upper Rio Grande Valley/Eastern San Juan Mountains Below
10000 Feet-Eastern San Juan Mountains Above 10000 Feet-
Del Norte Vicinity/Northern San Luis Valley Below 8500 Feet-
Alamosa Vicinity/Central San Luis Valley Below 8500 Feet-
Southern San Luis Valley-
Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet-
Northern Sangre de Cristo Mountains Above 11000 Feet-
Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet-
Southern Sangre de Cristo Mountains Above 11000 Feet-
Northwestern Fremont County Above 8500 Feet-
Western/Central Fremont County Below 8500 Feet-
Wet Mountain Valley Below 8500 Feet-
Wet Mountains between 6300 and 10000 Feet-
Wet Mountains Above 10000 Feet-
Teller County/Rampart Range Above 7500 Feet/Pikes Peak Between
7500 And 11000 Feet-Pikes Peak Above 11000 Feet-
Canon City Vicinity/Eastern Fremont County-
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-
Colorado Springs Vicinity/Southern El Paso County/Rampart Range
Below 7400 Feet-Pueblo Vicinity/Pueblo County Below 6300 Feet-
Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet-
Trinidad Vicinity/Western Las Animas County Below 7500 Feet-
Crowley County-La Junta Vicinity/Otero County-
Eastern Las Animas County-Western Kiowa County-
Eastern Kiowa County-Las Animas Vicinity/Bent County-
Lamar Vicinity/Prowers County-Springfield Vicinity/Baca County-
1237 AM MDT Sat Jul 11 2026
This hazardous weather outlook is for portions of central...east
central...south central and southeast Colorado.
.DAY ONE...Today and Tonight
Isolated thunderstorms are possible this afternoon, mainly over
the eastern mountains and across the Pikes Peak region. Gusty
outflow winds, occasional cloud to ground lightning and brief
rainfall will be possible, with storms ending quickly by early
evening.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
Warmer and drier weather develops from Sunday through much of
next week, with spotty critical fire weather conditions possible
over the mountains and San Luis Valley from Sunday into Thursday.
There will still be enough moisture across the mountains for very
isolated afternoon thunderstorms Sunday through Tuesday, though
most storm activity will produce gusty winds and lightning, but
only light rainfall. Moisture will slowly increase over the
western half of Colorado from mid to late week, with a gradual
return of afternoon showers and thunderstorms, mainly over and
near the Continental Divide.
.SPOTTER INFORMATION STATEMENT...
Weather spotters will not be needed today or tonight.
$$
10/10
