Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
213 PM MST Tue Aug 19 2025
AZZ501>507-509-201200-
/O.CON.KTWC.XH.W.0006.250820T1700Z-250823T0300Z/
Western Pima County-Tohono O`odham Nation-Upper Santa Cruz River
Valley/Altar Valley-Tucson Metro Area-South Central Pinal County-
Southeast Pinal County-Upper San Pedro River Valley-Upper Gila
River Valley-
Including the cities of Organ Pipe Cactus N.M., Tucson, Nogales,
Ajo, Picacho Peak State Park, Safford, Sierra Vista, Mammoth,
Benson, Marana, Oracle, Green Valley, Vail, Sells, and Clifton
213 PM MST Tue Aug 19 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8
PM MST FRIDAY...
* WHAT...Dangerously hot conditions with temperatures ranging from
105 to 110 across much of Pima and southeastern Pinal counties
leading to widespread Major Heat Risk. In other areas of
southeastern Arizona, high temperatures will range from 100 to 105
degrees.
* WHERE...South Central Pinal County, Southeast Pinal County, Tohono
O`odham Nation, Tucson Metro Area, Upper Gila River Valley, Upper
San Pedro River Valley, Upper Santa Cruz River Valley/Altar
Valley, and Western Pima County.
* WHEN...From 10 AM Wednesday to 8 PM MST Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible
and drink plenty of water.
&&
$$
JT
Special Weather Statement
Special Weather Statement
National Weather Service Lubbock TX
211 AM CDT Wed Aug 20 2025
TXZ022>025-028>031-200800-
Floyd TX-Briscoe TX-Motley TX-Hall TX-Swisher TX-Castro TX-Lamb TX-
Hale TX-
211 AM CDT Wed Aug 20 2025
...STRONG THUNDERSTORMS WILL IMPACT FLOYD...WESTERN MOTLEY...HALE...
EASTERN CASTRO...SOUTHWESTERN HALL...SWISHER...BRISCOE AND
NORTHEASTERN LAMB COUNTIES THROUGH 300 AM CDT...
At 211 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 10 miles northwest of Tulia to 7 miles
southeast of Silverton. Movement was south at 30 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Plainview, Tulia, Floydada, Hale Center, Olton, Hart, Silverton,
Caprock Canyon State Park, Lockney, Kress, Happy, Quitaque, Vigo
Park, Claytonville, Dougherty, Aiken, Halfway, South Plains,
Mackenzie Reservoir, and Valley Schools.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 3475 10190 3459 10092 3383 10097 3383 10103
3411 10241 3475 10218
TIME...MOT...LOC 0711Z 359DEG 25KT 3460 10194 3443 10119
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
$$
CWA
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Lubbock TX
1232 AM CDT Wed Aug 20 2025
TXZ021>044-210545-
Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale-Floyd-
Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King-Yoakum-
Terry-Lynn-Garza-Kent-Stonewall-
1232 AM CDT Wed Aug 20 2025
This Hazardous Weather Outlook is for the South Plains, Rolling
Plains, and the far Southern Texas Panhandle.
.DAY ONE...Today and Tonight.
A few showers and thunderstorms are forecast to move across portions
of the Caprock and Rolling Plains through the late morning hours.
The severe weather risk is very low.
Isolated thunderstorms are forecast across portions of the southern
South and Rolling Plains this afternoon. Locally heavy rainfall and
strong gusts up to 50 mph will be possible. The severe weather risk
is low.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
The threat for hazardous weather is low.
$$
Hazardous Weather Outlook
National Weather Service Grand Junction CO
257 AM MDT Tue Aug 19 2025
COZ001>014-017>023-UTZ022>025-027>029-200900-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-Upper Gunnison River Valley-
Uncompahgre Plateau and Dallas Divide-Northwest San Juan Mountains-
Southwest San Juan Mountains-Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
257 AM MDT Tue Aug 19 2025
This Hazardous Weather Outlook is for northwest Colorado, southwest
Colorado, west central Colorado, east central Utah, northeast Utah
and southeast Utah.
.DAY ONE...Today and tonight.
Isolated terrain-based storms are possible this afternoon. Storms
will be capable of producing gusty outflow winds up to 40 mph. Near
record high temperatures expected.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Isolated thunderstorm chances continue over the higher terrain
before increasing in coverage Thursday and beyond.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
