Freeze Warning
URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
1128 PM MST Thu Nov 20 2025
AZZ503-507>509-211600-
/O.CON.KTWC.FZ.W.0009.251121T0900Z-251121T1600Z/
Upper Santa Cruz River Valley/Altar Valley-Upper San Pedro River
Valley-Eastern Cochise County below 5000 feet-Upper Gila River
Valley-
Including the cities of Willcox, Benson, Douglas, Safford, Sierra
Vista, Clifton, and Nogales
1128 PM MST Thu Nov 20 2025
...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MST FRIDAY...
* WHAT...Sub-freezing temperatures between 23 to 32 degrees expected.
* WHERE...Eastern Cochise County below 5000 feet, Sulphur Springs
Valley, Upper San Pedro River Valley, and Upper Santa Cruz River
Valley/Altar Valley.
* WHEN...Until 9 AM MST Friday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* ADDITIONAL DETAILS...Probability of subfreezing temperatures for
select locations across the warned area:
-Willcox: 95%
-Benson: 90%
-Patagonia: 90%
-Rio Rico: 90%
-Sonoita: 85%
-Saint David: 90%
-Elfrida: 85%
-Sunizona: 85%
-Douglas: 70%
-San Simon: 80%
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.
&&
$$
AWH
Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Las Vegas NV
1220 PM PST Thu Nov 20 2025
NVZ018-211300-
/O.CON.KVEF.WW.Y.0011.251120T2100Z-251121T1600Z/
Sheep Range-
Including the cities of Hayford Pk
1220 PM PST Thu Nov 20 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST FRIDAY...
* WHAT...Snow expected. Total snow accumulations between 1 and 3
inches above 6000 feet; between 4 and 8 inches above 8000 feet.
* WHERE...Sheep Range.
* WHEN...Until 8 AM PST Friday.
* IMPACTS...Travel could be very difficult.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Call 5 1 1 for road
information.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Las Vegas NV
1220 PM PST Thu Nov 20 2025
NVZ019-211300-
/O.CON.KVEF.WW.Y.0011.251120T2100Z-251121T1600Z/
Spring Mountains-Red Rock Canyon-
Including the cities of Mt Charleston and Red Rock Canyon
1220 PM PST Thu Nov 20 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST FRIDAY...
* WHAT...Snow expected. Total snow accumulations between 1 and 3
inches above 6000 feet; between 3 and 6 inches above 8000 feet;
between 6 and 8 inches above 9500 feet.
* WHERE...Spring Mountains-Red Rock Canyon.
* WHEN...Until 8 AM PST Friday.
* IMPACTS...Travel could be very difficult to impossible,
particularly along State Routes 156, 157, and 158.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Call 5 1 1 for road
information.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/lasvegas
VEF
Flood Advisory
Flood Advisory
National Weather Service San Diego CA
139 AM PST Fri Nov 21 2025
CAC059-065-073-211145-
/O.NEW.KSGX.FA.Y.0089.251121T0939Z-251121T1138Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Orange CA-Riverside CA-San Diego CA-
139 AM PST Fri Nov 21 2025
...FLOOD ADVISORY IN EFFECT UNTIL 338 AM PST EARLY THIS MORNING...
* WHAT...Urban and small stream flooding caused by excessive
rainfall is expected.
* WHERE...A portion of Southwest California, including the following
counties, Orange, Riverside and San Diego.
* WHEN...Until 338 AM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Ponding of water in urban or other areas is occurring or is
imminent.
* ADDITIONAL DETAILS...
- At 139 AM PST, Doppler radar indicated heavy rain. This will
cause urban and small stream flooding. Between 0.75 and 1.25
inches of rain have fallen.
- Additional rainfall amounts up to 0.5 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Anaheim, Santa Ana, Irvine, Huntington Beach, Garden Grove,
Orange, Fullerton, Costa Mesa, Temecula and Mission Viejo.
- https://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3373 11809 3374 11811 3384 11806 3390 11798
3395 11798 3395 11780 3348 11732 3333 11750
3344 11765 3346 11772 3354 11778 3361 11790
3364 11789 3361 11791 3362 11793 3365 11800
3369 11804 3373 11806
$$
SS
Flood Watch
Flood Watch
National Weather Service Phoenix AZ
140 AM MST Fri Nov 21 2025
AZZ530>533-535-536-CAZ560>570-212200-
/O.CON.KPSR.FA.A.0009.000000T0000Z-251122T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Parker Valley-Kofa-Yuma-Central La Paz-Southeast Yuma County-Gila
River Valley-Joshua Tree NP West-Joshua Tree NP East-Imperial
County Southwest-Salton Sea-Chuckwalla Mountains-Imperial County
Southeast-Imperial County West-Imperial Valley-Chiriaco Summit-
Palo Verde Valley-Chuckwalla Valley-
Including the cities of Martinez Lake, Ehrenberg, Yuma, Palo
Verde, Vicksburg, Calexico, Parker, El Centro, Desert Shores,
Palm Canyon, Cottonwood Visitor, Ocotillo, Ligurta, Plaster City,
Salome, Winona, Mountain Spring, Coolidge Springs, Brenda,
Winterhaven, Fortuna Foothills, Alamorio, Ripley, Imperial Hot
Mineral Springs, Coyote Wells, Quartzsite, Lost Horse-Keys
Village, Chiriaco Summit, Salton City, Brawley, Vicksburg
Junction, Blythe, Harcuvar, and Midland
140 AM MST Fri Nov 21 2025 /1240 AM PST Fri Nov 21 2025/
...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of southwest Arizona, including the following
areas, Central La Paz, Gila River Valley, Kofa, Parker Valley,
Southeast Yuma County and Yuma and California, including the
following areas, Chiriaco Summit, Chuckwalla Mountains, Chuckwalla
Valley, Imperial County Southeast, Imperial County Southwest,
Imperial County West, Imperial Valley, Joshua Tree NP East, Joshua
Tree NP West, Palo Verde Valley and Salton Sea.
* WHEN...Through this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Low-water crossings may be flooded.
* ADDITIONAL DETAILS...
- A weather system moving through the region is expected to
bring heavy rainfall to SE CA and SW AZ today with rainfall
totals in excess of one inch in some areas.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
KB
