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Frost Advisory 0003
Issued by the Pueblo Forecast Office

Action Issued Starts Expiration
New 2025-09-14 02:35:24 2025-09-15 04:00:00 2025-09-15 10:00:00
Continued 2025-09-14 10:08:18 2025-09-15 04:00:00 2025-09-15 10:00:00
Continued 2025-09-14 10:42:19 2025-09-15 04:00:00 2025-09-15 10:00:00
Continued 2025-09-14 15:49:00 2025-09-15 04:00:00 2025-09-15 10:00:00
Expired 2025-09-15 10:22:11 2025-09-15 10:00:00


Action: New
Issued At: 2025-09-14 02:35:24

905 
WWUS75 KPUB 140735
NPWPUB

URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
135 AM MDT Sun Sep 14 2025

COZ070-071-141545-
/O.NEW.KPUB.FR.Y.0003.250915T0900Z-250915T1500Z/
/O.CON.KPUB.FR.Y.0002.250914T0900Z-250914T1500Z/
Alamosa  Vicinity/Central San Luis Valley Below 8500 Feet-
Southern San Luis Valley-
Including La Jara, Sanford, Blanca, San Luis, Monte Vista,
Manassa, Antonito, Fort Garland, and Alamosa
135 AM MDT Sun Sep 14 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING...
...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM MDT MONDAY...

* WHAT...For the first Frost Advisory, temperatures as low as 31 
  will result in frost formation. For the second Frost Advisory, 
  temperatures as low as 34 will result in frost formation.

* WHERE...Central San Luis Valley, and Southern San Luis Valley.

* WHEN...For the first Frost Advisory, until 9 AM MDT this morning. 
  For the second Frost Advisory, from 3 AM to 9 AM MDT Monday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

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

MG


Action: Continued
Issued At: 2025-09-14 10:08:18

538 
WWUS75 KPUB 141508
NPWPUB

URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
908 AM MDT Sun Sep 14 2025

COZ070-071-142315-
/O.EXP.KPUB.FR.Y.0002.000000T0000Z-250914T1500Z/
/O.CON.KPUB.FR.Y.0003.250915T0900Z-250915T1500Z/
Alamosa  Vicinity/Central San Luis Valley Below 8500 Feet-
Southern San Luis Valley-
Including Alamosa, Fort Garland, Blanca, La Jara, San Luis,
Antonito, Manassa, Sanford, and Monte Vista
908 AM MDT Sun Sep 14 2025

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT MONDAY...
...FROST WHICH WAS IN EFFECT FOR EARLIER THIS MORNING HAS EXPIRED...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Central San Luis Valley, and Southern San Luis Valley.

* WHEN...From 3 AM to 9 AM MDT Monday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

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

Hodanish


Action: Continued
Issued At: 2025-09-14 10:42:19

243 
WWUS75 KPUB 141541
NPWPUB

URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
941 AM MDT Sun Sep 14 2025

COZ070-071-142345-
/O.CON.KPUB.FR.Y.0003.250915T0900Z-250915T1500Z/
Alamosa  Vicinity/Central San Luis Valley Below 8500 Feet-
Southern San Luis Valley-
Including Alamosa, Fort Garland, Blanca, La Jara, San Luis,
Antonito, Manassa, Sanford, and Monte Vista
941 AM MDT Sun Sep 14 2025

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT MONDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Central and Southern San Luis Valley.

* WHEN...From 3 AM to 9 AM MDT Monday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

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

Hodanish


Action: Continued
Issued At: 2025-09-14 15:49:00

298 
WWUS75 KPUB 142048
NPWPUB

URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
248 PM MDT Sun Sep 14 2025

COZ070-071-150500-
/O.CON.KPUB.FR.Y.0003.250915T0900Z-250915T1500Z/
Alamosa  Vicinity/Central San Luis Valley Below 8500 Feet-
Southern San Luis Valley-
Including Alamosa, Fort Garland, Blanca, La Jara, San Luis,
Antonito, Manassa, Sanford, and Monte Vista
248 PM MDT Sun Sep 14 2025

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT MONDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Central San Luis Valley, and Southern San Luis Valley.

* WHEN...From 3 AM to 9 AM MDT Monday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

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

Hodanish


Action: Expired
Issued At: 2025-09-15 10:22:11

123 
WWUS75 KPUB 151521
NPWPUB

URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
921 AM MDT Mon Sep 15 2025

COZ070-071-151630-
/O.EXP.KPUB.FR.Y.0003.000000T0000Z-250915T1500Z/
Alamosa  Vicinity/Central San Luis Valley Below 8500 Feet-
Southern San Luis Valley-
Including Monte Vista, Sanford, Blanca, Fort Garland, La Jara,
San Luis, Manassa, Antonito, and Alamosa
921 AM MDT Mon Sep 15 2025

...FROST ADVISORY HAS EXPIRED...

Temperatures have warmed and the threat for frost across the San 
Luis Valley has ended.

$$

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

MW



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