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WWUS75 KTWC 210628
NPWTWC

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