weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service Denver CO
349 AM MDT Sat Jun 21 2025

COZ038>051-220000-
/O.CON.KBOU.HT.Y.0001.000000T0000Z-250622T0000Z/
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-
Including the cities of Bennett, Holyoke, Denver International
Airport, Hereford, Sterling, Boulder, Amherst, Merino, Punkin
Center, Cope, Stoneham, City of Denver, Brush, Byers, Leader,
Parker, Eaton, Matheson, Kiowa, Last Chance, Larkspur, Grover,
Crook, Brighton, Littleton, Golden, Karval, Fort Morgan, Hugo,
Fondis, Wiggins, Akron, Roggen, Pawnee Buttes, Limon, Aurora,
Longmont, Greeley, Ovid, Sedgwick, Fort Collins, Raymer,
Highlands Ranch, Peetz, Otis, Nunn, Haxtun, Briggsdale, Elbert,
Forder, Loveland, Agate, Fort Lupton, Goodrich, Lakewood, Castle
Rock, Deer Trail, Kutch, Julesburg, and Arvada
349 AM MDT Sat Jun 21 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING...

* WHAT...High temperatures near 100 degrees across the I-25 Urban
  Corridor, and up to 103 across the eastern plains.

* WHERE...All of the I-25 Urban Corridor, northeast and east central
  plains of Colorado.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Hot temperatures may cause heat related illnesses.

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.

&&

$$

For more information from the National Weather Service, visit
https://weather.gov/bou

Gimmestad

URGENT - WEATHER MESSAGE
National Weather Service Goodland KS
454 AM MDT Sat Jun 21 2025

COZ090>092-KSZ001>004-013>016-NEZ079>081-220100-
/O.CON.KGLD.HT.Y.0001.000000T0000Z-250622T0100Z/
Yuma-Kit Carson-Cheyenne-Cheyenne-Rawlins-Decatur-Norton-Sherman-
Thomas-Sheridan-Graham-Dundy-Hitchcock-Red Willow-
Including the cities of Stratton Ne, Wray, Hoxie, Burlington,
Culbertson, Arapahoe, McCook, Yuma, Cheyenne Wells, Oberlin, Bird
City, St. Francis, Atwood, Trenton, Hill City, Colby, Goodland,
Palisade, Benkelman, and Norton
454 AM MDT Sat Jun 21 2025 /554 AM CDT Sat Jun 21 2025/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM MDT /8 PM CDT/ THIS
EVENING...

* WHAT...Daytime temperatures around 103 to 107 degrees. Overnight
  temperatures may remain above 75 degrees, especially east of
  Highway 25.

* WHERE...Portions of east central and northeast Colorado, northwest
  Kansas, and southwest Nebraska.

* WHEN...Until 7 PM MDT /8 PM CDT/ this evening.

* IMPACTS...Increased risk for heat related illnesses.

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. Try to limit
strenuous activities to early morning or evening.

Take action when you see symptoms of heat exhaustion and heat
stroke. Symptoms of heat exhaustion include heavy sweating,
paleness, muscle cramps, weakness, dizziness, headache, nausea,
vomiting, and fainting. Seek medical help if symptoms get worse or
last for more than an hour.

&&

$$

Vincent

URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
338 AM MDT Sat Jun 21 2025

COZ083>086-089-093-095>098-211745-
/O.CON.KPUB.HT.Y.0002.250621T1600Z-250622T0300Z/
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-Crowley
County-La Junta Vicinity/Otero County-Western Kiowa County-
Eastern Kiowa County-Las Animas Vicinity/Bent County-Lamar
Vicinity/Prowers County-
Including Pueblo, Canon City, Olney Springs, Ordway, Lamar, La
Junta, Rocky Ford, Las Animas, Sheridan Lake, Penrose, Black
Forest, Eads, Colorado Springs, and Peterson Space Force Base
338 AM MDT Sat Jun 21 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 9 PM
MDT THIS EVENING...

* WHAT...High temperatures Saturday from 94 to 105.

* WHERE...Portions of central, east central, and southeast Colorado.

* WHEN...From 10 AM this morning to 9 PM MDT this evening.

* IMPACTS...Hot temperatures may cause heat illnesses.

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.

&&

$$

Visit us at http://www.weather.gov/pub

MG

URGENT - WEATHER MESSAGE
National Weather Service North Platte NE
214 AM CDT Sat Jun 21 2025

NEZ005-006-008-009-024>027-035>038-057>059-069>071-211515-
/O.CON.KLBF.HT.Y.0001.000000T0000Z-250622T0500Z/
Eastern Cherry-Keya Paha-Brown-Rock-Hooker-Thomas-Blaine-Loup-
Arthur-McPherson-Logan-Custer-Keith-Perkins-Lincoln-Chase-Hayes-
Frontier-
Including the cities of Halsey, North Platte, Purdum, Dunning,
Taylor, Eustis, Enders, Brewster, Thedford, Springview, Imperial,
Curtis, Hayes Center, Valentine, Maywood, Arthur, Bassett, Broken
Bow, Ringgold, Mullen, Stapleton, Ogallala, Grant, Paxton,
Champion, Wauneta, Ainsworth, Rose, and Tryon
214 AM CDT Sat Jun 21 2025 /114 AM MDT Sat Jun 21 2025/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CDT /11 PM MDT/
TONIGHT...

* WHAT...Heat index values up to 103.

* WHERE...Portions of central, north central, southwest, and west
  central Nebraska.

* WHEN...Until midnight CDT /11 PM MDT/ tonight.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

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.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

$$

For more information from the National Weather Service, visit
www.weather.gov/lbf.

Richie

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
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE