Watches, Warnings & Advisories



2 products issued by NWS for: Rancho Cucamonga CA

High Wind Watch

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
348 AM PST Sun Jan 19 2025

CAZ048-055-057-065-192215-
/O.CON.KSGX.HW.A.0002.250121T0400Z-250122T0400Z/
San Bernardino and Riverside County Valleys-The Inland Empire-San
Bernardino County Mountains-Santa Ana Mountains and Foothills-San
Gorgonio Pass Near Banning-
Including the cities of San Bernardino, Corona, Wrightwood,
Crestline, Running Springs, Big Bear Lake, Moreno Valley,
Banning, Fontana, Desert Hot Springs, Big Bear City, Lake
Arrowhead, Riverside, Rancho Cucamonga, and Ontario
348 AM PST Sun Jan 19 2025

...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY EVENING...

* WHAT...Northeast winds 25 to 40 mph with gusts up to 60 mph
  possible. Isolated gusts to 75 mph on the favored coastal slopes
  and canyons in the San Bernardino and Santa Ana Mountains.

* WHERE...San Bernardino County Mountains, San Bernardino and
  Riverside County Valleys-The Inland Empire, San Gorgonio Pass Near
  Banning, and Santa Ana Mountains and Foothills.

* WHEN...From Monday evening through Tuesday evening.

* IMPACTS...Damaging winds could blow down trees and power lines.
  Travel could be difficult, especially for high profile vehicles.
  Damage to unsecured outdoor objects.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates.

&&

$$



Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
National Weather Service San Diego CA
326 AM PST Sun Jan 19 2025


CAZ248-250-255>258-265-554-192215-
/O.CON.KSGX.FW.W.0003.250120T1800Z-250122T0600Z/
San Bernardino and Riverside County Valleys - The Inland Empire-
San Diego County Inland Valleys-San Bernardino County Mountains-
Including The Mountain Top And Front Country Ranger Districts Of
The San Bernardino National Forest-Riverside County Mountains-
Including The San Jacinto Ranger District Of The San Bernardino
National Forest-Santa Ana Mountains-
Including The Trabuco Ranger District of the Cleveland National
Forest-San Diego County Mountains-
Including The Palomar And Descanso Ranger Districts of the
Cleveland National Forest-San Gorgonio Pass Near Banning-
Orange County Inland Areas-
326 AM PST Sun Jan 19 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM MONDAY TO 10 PM
PST TUESDAY FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR
THE MOUNTAINS...VALLEYS...AND INLAND ORANGE COUNTY...

* WINDS...Northeast 25 to 35 mph with gusts up to 60 mph. Isolated
  gusts to 75 mph.

* RELATIVE HUMIDITY...15 to 20 percent on Monday, falling to 5 to
  8 percent on Tuesday with poor overnight recovery.

* IMPACTS...If fire ignition occurs, conditions are favorable
  for rapid fire spread and extreme fire behavior.

* LOCATION...San Bernardino and Riverside County Valleys  -The
  Inland Empire, San Diego County Inland Valleys, San Bernardino
  County Mountains-Including The Mountain Top And Front Country
  Ranger Districts Of The San Bernardino National Forest,
  Riverside County Mountains-Including The San Jacinto Ranger
  District Of The San Bernardino National Forest, Santa Ana
  Mountains-Including The Trabuco Ranger District of the
  Cleveland National Forest, San Diego County Mountains-
  Including The Palomar And Descanso Ranger Districts of the
  Cleveland National Forest, San Gorgonio Pass Near Banning and
  Orange County Inland Areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

http://www.weather.gov/sandiego