There are currently 19 Weather Alerts in Californiaselect a different state
Extreme Heat Watch issued July 20 at 9:26PM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
Event: Extreme Heat Watch
Message Type: Update
Urgency: Future
Severity: Severe
Certainty: Likely
Affected Area: Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
Wheather Alert Summary: * what...Dangerously hot conditions with high temperatures 113 to
117 possible. low temperatures in the mid to upper 80s.
* where...Coachella valley, san diego county deserts, and san
gorgonio pass near banning.
* when...From wednesday morning through monday evening.
* impacts...Heat related illnesses increase significantly during
extreme heat events.
* additional details...Major heatrisk. elevated low temperatures
will limit overnight relief from the heat.
Heat Advisory issued July 20 at 9:26PM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
Event: Heat Advisory
Message Type: Update
Urgency: Expected
Severity: Moderate
Certainty: Likely
Affected Area: San Bernardino County Mountains; Riverside County Mountains; San Diego County Mountains
Wheather Alert Summary: * what...High temperatures in the mid 80s to 90s expected below 6000
ft. low temperatures in the upper 60s to mid 70s.
* where...Riverside county mountains, san bernardino county
mountains, and san diego county mountains.
* when...From 10 am wednesday to 8 pm pdt monday.
* impacts...Hot temperatures may cause heat illnesses.
* additional details...Widespread moderate heatrisk. elevated low
temperatures will limit overnight relief from the heat.
Heat Advisory issued July 20 at 9:26PM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
Event: Heat Advisory
Message Type: Update
Urgency: Expected
Severity: Moderate
Certainty: Likely
Affected Area: San Diego County Inland Valleys; Santa Ana Mountains and Foothills; Orange County Inland
Wheather Alert Summary: * what...High temperatures 90 to 100 degrees expected. low
temperatures in the upper 60s to low 70s.
* where...Orange county inland areas, san diego county valleys, and
santa ana mountains and foothills.
* when...From 10 am wednesday to 8 pm pdt monday.
* impacts...Hot temperatures may cause heat illnesses.
* additional details...Widespread moderate heatrisk with localized
major heatrisk. elevated low temperatures will limit overnight
relief from the heat.
Extreme Heat Watch issued July 20 at 9:26PM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
Event: Extreme Heat Watch
Message Type: Update
Urgency: Future
Severity: Severe
Certainty: Likely
Affected Area: Apple and Lucerne Valleys
Wheather Alert Summary: * what...Dangerously hot conditions with high temperatures 103 to
108 possible. low temperatures in the low to mid 70s.
* where...Apple and lucerne valleys.
* when...From wednesday morning through monday evening.
* impacts...Heat related illnesses increase significantly during
extreme heat events.
* additional details...Areas of major heatrisk. elevated low
temperatures will limit overnight relief from the heat.
Heat Advisory issued July 20 at 9:26PM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
Event: Heat Advisory
Message Type: Update
Urgency: Expected
Severity: Moderate
Certainty: Likely
Affected Area: San Bernardino and Riverside County Valleys-The Inland Empire
Wheather Alert Summary: * what...High temperatures 100 to 107 expected. low temperatures in
the upper 60s to low 70s.
* where...San bernardino and riverside county valleys-the inland
empire.
* when...From 10 am wednesday to 8 pm pdt monday.
* impacts...Hot temperatures may cause heat illnesses.
* additional details...Widespread moderate to localized major
heatrisk. elevated low temperatures will limit overnight relief
from the heat.
Beach Hazards Statement issued July 20 at 8:13PM PDT until July 21 at 5:00PM PDT by NWS Los Angeles/Oxnard CA
Event: Beach Hazards Statement
Message Type: Update
Urgency: Expected
Severity: Moderate
Certainty: Likely
Affected Area: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
Wheather Alert Summary: * what...Dangerous rip currents and breaking waves due to
elevated surf expected.
* where...San luis obispo county beaches and santa barbara
county central coast beaches.
* when...Through tuesday afternoon, peaking monday afternoon
through tuesday morning.
* impacts...There is an increased risk of ocean drowning. rip
currents can pull swimmers and surfers out to sea. waves can
wash people off beaches and rocks, and capsize small boats
nearshore.
* additional details...Highest surf will be focused across south
facing beaches due to a southerly swell produced by tropical
storm elida. additional beach hazards statements or high surf
advisories will likely be needed through the rest of the week
due to a series of incoming southerly swells.
High Surf Advisory issued July 20 at 8:13PM PDT until July 21 at 11:00PM PDT by NWS Los Angeles/Oxnard CA
Event: High Surf Advisory
Message Type: Update
Urgency: Expected
Severity: Minor
Certainty: Likely
Affected Area: Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Wheather Alert Summary: * what...Large breaking waves building to 3 to 6 feet with sets to
7 feet. dangerous rip currents.
* where...Catalina and santa barbara islands, ventura county
beaches, malibu coast and los angeles county beaches.
* when...Until 11 pm pdt tuesday, peaking tonight through tuesday
morning.
* impacts...There is an increased risk for ocean drowning. rip
currents can pull swimmers and surfers out to sea. large
breaking waves can cause injury, wash people off beaches and
rocks, and capsize small boats near shore.
* additional details...Highest surf will be focused across south
facing beaches due to a southerly swell produced by tropical
storm elida. additional beach hazards statements or high surf
advisories will likely be needed through the rest of the week
due to a series of incoming southerly swells.
High Surf Advisory issued July 20 at 2:06PM PDT until July 21 at 11:00PM PDT by NWS San Diego CA
Event: High Surf Advisory
Message Type: Alert
Urgency: Expected
Severity: Minor
Certainty: Likely
Affected Area: San Diego County Coastal Areas; Orange County Coastal
Wheather Alert Summary: * what...Large breaking waves of 4 to 7 feet with sets up to 8
feet at south or southwest facing beaches.
* where...San diego county coastal areas and orange county
coastal areas.
* when...Until 11 pm pdt tuesday.
* impacts...Dangerous swimming and surfing conditions and
localized beach erosion.
* additional details...South swell of 4 to 5 feet with a period
of 11-13 seconds generating high surf, primarily for south-
facing beaches. high risk of rip currents exists with high
surf and strong longshore currents are expected on west-facing
beaches. high tides will generally be at or below 5.5 feet,
but localized areas of beach erosion and minor tidal overflow
may occur with the high surf during high tides. swell and surf
will decrease late tuesday into wednesday.
Extreme Heat Watch issued July 20 at 12:26PM PDT until July 27 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Event: Extreme Heat Watch
Message Type: Alert
Urgency: Future
Severity: Severe
Certainty: Likely
Affected Area: Santa Clarita Valley; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Los Angeles County San Gabriel Valley
Wheather Alert Summary: * what...For the heat advisory, temperatures between 93 to 103
expected. for the extreme heat watch, dangerously hot conditions
with temperatures between 97 and 107 possible.
* where...A portion of southwest california.
* when...For the heat advisory, from 10 am to 8 pm pdt wednesday.
for the extreme heat watch, from wednesday evening through monday
evening.
* impacts...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors. there is a high risk
for heat illness for sensitive populations including the very
young, the very old, those without air conditioning, and those
active outdoors.
Heat Advisory issued July 20 at 12:26PM PDT until July 27 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Event: Heat Advisory
Message Type: Alert
Urgency: Expected
Severity: Moderate
Certainty: Likely
Affected Area: Cuyama Valley; Santa Ynez Valley; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains
Wheather Alert Summary: * what...Temperatures up to 105 expected.
* where...Cuyama valley, santa barbara county interior mountains,
santa ynez mountains eastern range, santa ynez mountains western
range, and santa ynez valley.
* when...From 10 am wednesday to 8 pm pdt monday.
* impacts...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
Extreme Heat Watch issued July 20 at 12:26PM PDT until July 27 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Event: Extreme Heat Watch
Message Type: Alert
Urgency: Future
Severity: Severe
Certainty: Likely
Affected Area: Antelope Valley
Wheather Alert Summary: * what...Dangerously hot conditions with temperatures up to 108
possible.
* where...Antelope valley.
* when...From thursday morning through monday evening.
* impacts...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors.
Heat Advisory issued July 20 at 12:26PM PDT until July 27 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Event: Heat Advisory
Message Type: Alert
Urgency: Expected
Severity: Moderate
Certainty: Likely
Affected Area: Los Angeles County Inland Coast including Downtown Los Angeles
Wheather Alert Summary: * what...Temperatures up to 92 expected.
* where...Los angeles county inland coast including downtown los
angeles.
* when...From 10 am wednesday to 8 pm pdt monday.
* impacts...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
Heat Advisory issued July 20 at 12:26PM PDT until July 23 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Event: Heat Advisory
Message Type: Alert
Urgency: Expected
Severity: Moderate
Certainty: Likely
Affected Area: Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast
Wheather Alert Summary: * what...Temperatures up to 90 expected.
* where...Santa barbara county southeastern coast and santa barbara
county southwestern coast.
* when...From 10 am wednesday to 8 pm pdt thursday.
* impacts...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
Heat Advisory issued July 20 at 12:26PM PDT until July 22 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Event: Heat Advisory
Message Type: Alert
Urgency: Expected
Severity: Moderate
Certainty: Likely
Affected Area: Santa Clarita Valley; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Los Angeles County San Gabriel Valley
Wheather Alert Summary: * what...For the heat advisory, temperatures between 93 to 103
expected. for the extreme heat watch, dangerously hot conditions
with temperatures between 97 and 107 possible.
* where...A portion of southwest california.
* when...For the heat advisory, from 10 am to 8 pm pdt wednesday.
for the extreme heat watch, from wednesday evening through monday
evening.
* impacts...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors. there is a high risk
for heat illness for sensitive populations including the very
young, the very old, those without air conditioning, and those
active outdoors.
Flood Watch issued July 20 at 12:17PM PDT until July 21 at 11:00PM PDT by NWS Reno NV
Event: Flood Watch
Message Type: Alert
Urgency: Future
Severity: Severe
Certainty: Possible
Affected Area: Greater Lake Tahoe Area; Greater Lake Tahoe Area; Greater Reno-Carson City-Minden Area
Wheather Alert Summary: * what...Flash flooding caused by excessive rainfall is possible due
to thunderstorms.
* where...Portions of east central california, including the
following area, greater lake tahoe area and western nevada,
including the following areas, greater lake tahoe area and greater
reno-carson city-minden area.
* when...From tuesday afternoon through tuesday evening.
* impacts...Excessive runoff may result in flooding of creeks,
streams, urban areas, burn scars, and areas near steep terrain.
* additional details...
- deeper monsoonal moisture combined with daytime heating will
produce scattered thunderstorms tuesday afternoon and
evening. slower moving storms could redevelop over similar
areas, increasing the risk for heavy rainfall capable of
producing flash flooding.
- http://www.Weather.Gov/safety/flood
Flood Watch issued July 20 at 12:17PM PDT until July 21 at 11:00PM PDT by NWS Reno NV
Event: Flood Watch
Message Type: Alert
Urgency: Future
Severity: Severe
Certainty: Possible
Affected Area: Mono; Mineral and Southern Lyon Counties
Wheather Alert Summary: * what...Flash flooding caused by excessive rainfall is possible due
to thunderstorms.
* where...Portions of east central california, including the
following area, mono county and western nevada, including the
following area, mineral and southern lyon counties.
* when...From tuesday afternoon through tuesday evening.
* impacts...Excessive runoff may result in flooding of creeks,
streams, urban areas, burn scars, and areas near steep terrain.
* additional details...
- deeper monsoonal moisture combined with daytime heating will
produce scattered thunderstorms each afternoon and evening
through tuesday. slower moving storms could redevelop over
similar areas, increasing the risk for heavy rainfall capable
of producing flash flooding.
- http://www.Weather.Gov/safety/flood
Flood Watch issued July 20 at 12:17PM PDT until July 20 at 11:00PM PDT by NWS Reno NV
Event: Flood Watch
Message Type: Update
Urgency: Future
Severity: Severe
Certainty: Possible
Affected Area: Mono; Mineral and Southern Lyon Counties
Wheather Alert Summary: * what...Flash flooding caused by excessive rainfall is possible due
to thunderstorms.
* where...Portions of east central california, including the
following area, mono county and western nevada, including the
following area, mineral and southern lyon counties.
* when...From tuesday afternoon through tuesday evening.
* impacts...Excessive runoff may result in flooding of creeks,
streams, urban areas, burn scars, and areas near steep terrain.
* additional details...
- deeper monsoonal moisture combined with daytime heating will
produce scattered thunderstorms each afternoon and evening
through tuesday. slower moving storms could redevelop over
similar areas, increasing the risk for heavy rainfall capable
of producing flash flooding.
- http://www.Weather.Gov/safety/flood
Extreme Heat Watch issued July 20 at 11:54AM MST until July 27 at 8:00PM MST by NWS Phoenix AZ
Event: Extreme Heat Watch
Message Type: Alert
Urgency: Future
Severity: Severe
Certainty: Likely
Affected Area: Kofa; Central La Paz; Southeast Yuma County; Gila River Valley; Joshua Tree NP West; Joshua Tree NP East
Wheather Alert Summary: * what...Dangerously hot conditions possible. afternoon temperatures
105 to 116. major heat risk. overexposure can cause heat cramps and
heat exhaustion to develop and, without intervention, can lead to
heat stroke.
* where...In arizona, central la paz, gila river valley, kofa, and
southeast yuma county. in california, joshua tree np east and
joshua tree np west.
* when...From thursday morning through monday evening.
* impacts...Heat related illnesses increase significantly during
extreme heat events.
Extreme Heat Watch issued July 20 at 11:54AM MST until July 27 at 8:00PM MST by NWS Phoenix AZ
Event: Extreme Heat Watch
Message Type: Alert
Urgency: Future
Severity: Severe
Certainty: Likely
Affected Area: Parker Valley; Yuma; Imperial County Southwest; Salton Sea; Chuckwalla Mountains; Imperial County Southeast; Imperial County West; Imperial Valley; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
Wheather Alert Summary: * what...Dangerously hot conditions possible. afternoon temperatures
104 to 113. major heat risk. overexposure can cause heat cramps and
heat exhaustion to develop and, without intervention, can lead to
heat stroke.
* where...Portions of southwest arizona and southeast and southern
california.
* when...From wednesday morning through monday evening.
* impacts...Heat related illnesses increase significantly during
extreme heat events.