Sacramento, California

Regional Weather Alerts


     

Alert: Coastal Flood Advisory
Area(s): Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: 2026-10-07 @ 10:51 pm -> 2026-10-13 @ 4:00 pm
Onset: 2026-10-07 @ 10:51 pm -> 2026-10-13 @ 4:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-10-07 @ 10:51 pm
Headline: Coastal Flood Advisory issued October 7 at 8:51PM PDT until October 13 at 2:00PM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...Minor to locally moderate coastal flooding with
elevated surf and dangerous rip currents expected.

* WHERE...Catalina and Santa Barbara Islands, Ventura County
Beaches, Malibu Coast and Los Angeles County Beaches.

* WHEN...Until 2 PM PDT Tuesday.

* IMPACTS...Moderate flooding of sea water is likely over some
vulnerable low-lying coastal areas, especially around the time
of high tide, including over beach parking lots, bike paths,
and harbor walkways. Moderate to significant beach erosion is
likely. Isolated damage is possible in most vulnerable areas.
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...The highest risk of coastal flooding is
likely Sunday, especially during the morning high tide.

Alert: Heat Advisory
Area(s): San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
Effective: 2026-10-07 @ 10:31 pm -> 2026-10-08 @ 10:00 pm
Onset: 2026-10-07 @ 10:31 pm -> 2026-10-08 @ 10:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-10-07 @ 10:31 pm
Headline: Heat Advisory issued October 7 at 8:31PM PDT until October 8 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...Temperatures of 80 to 95 degrees expected.

* WHERE...San Luis Obispo County Beaches and Santa Barbara County
Central Coast Beaches.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses.

Alert: Extreme Heat Warning
Area(s): Cuyama Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Santa Cruz and Anacapa Islands
Effective: 2026-10-07 @ 10:31 pm -> 2026-10-08 @ 10:00 pm
Onset: 2026-10-07 @ 10:31 pm -> 2026-10-08 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-10-07 @ 10:31 pm
Headline: Extreme Heat Warning issued October 7 at 8:31PM PDT until October 8 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...Dangerously hot conditions with temperatures up to 85 at the
coast and 100 in the mountains and Cuyama valley.

* WHERE...Coast and valleys of Los Angeles and Ventura Counties.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* ADDITIONAL DETAILS...

Alert: Extreme Heat Warning
Area(s): Catalina and Santa Barbara Islands; Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills; Los Angeles County Inland Coast including Downtown Los Angeles; 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; Los Angeles County San Gabriel Valley
Effective: 2026-10-07 @ 10:31 pm -> 2026-10-08 @ 10:00 pm
Onset: 2026-10-07 @ 10:31 pm -> 2026-10-08 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-10-07 @ 10:31 pm
Headline: Extreme Heat Warning issued October 7 at 8:31PM PDT until October 8 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...Dangerously hot conditions with temperatures reaching 90 to
100 at the coast and 106 in the valleys.

* WHERE...Coast and valleys of Los Angeles and Ventura Counties.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* ADDITIONAL DETAILS...Very hot temperatures are likely to continue
into the second week of October, possibly requiring an extension of
this product.

Alert: Heat Advisory
Area(s): San Luis Obispo County Inland Central Coast; Santa Lucia Mountains; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Inland Central Coast; Santa Ynez Valley
Effective: 2026-10-07 @ 10:31 pm -> 2026-10-08 @ 10:00 pm
Onset: 2026-10-07 @ 10:31 pm -> 2026-10-08 @ 10:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-10-07 @ 10:31 pm
Headline: Heat Advisory issued October 7 at 8:31PM PDT until October 8 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...Dangerously hot conditions with temperatures around 90 near
the coast to 103 inland.

* WHERE...San Luis Obispo County Inland Central Coast, San Luis
Obispo County Interior Valleys, San Luis Obispo County Mountains,
Santa Barbara County Inland Central Coast, Santa Lucia Mountains,
Santa Ynez Valley, and Southern Salinas Valley.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses.

Alert: Heat Advisory
Area(s): West Side Mountains north of 198; Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; West Side Mountains South of 198; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley; Mariposa Madera Foothills; Mariposa-Madera Lower Sierra; Fresno-Tulare Foothills; Fresno-Tulare Lower Sierra; South End Sierra Foothills; South End of the Lower Sierra
Effective: 2026-10-07 @ 6:32 pm -> 2026-10-08 @ 4:00 am
Onset: 2026-10-07 @ 6:32 pm -> 2026-10-09 @ 12:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Hanford CA on 2026-10-07 @ 6:32 pm
Headline: Heat Advisory issued October 7 at 4:32PM PDT until October 8 at 10:00PM PDT by NWS Hanford CA
Description: * WHAT...High temperatures up to 101 degrees expected. Overnight lows
between 70 and 75 degrees expected in the Sierra and Coastal Range
Foothills where the thermal belt is strongest

* WHERE...San Joaquin Valley, Sierra Nevada foothills, and Coastal
West Hills.

* WHEN...Until 10 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses.

* ADDITIONAL DETAILS...Moderate to major risk of heat-related
illnesses for much of the population, especially those without
effective cooling or hydration.

Alert: Heat Advisory
Area(s): Northwestern Interior Mendocino; Northeastern Interior Mendocino; Southwestern Interior Mendocino; Southeastern Interior Mendocino; Northern Lake; Western Lake; Southwestern Lake; Eastern Lake
Effective: 2026-10-07 @ 5:11 pm -> 2026-10-08 @ 1:15 am
Onset: 2026-10-07 @ 5:11 pm -> 2026-10-09 @ 1:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Eureka CA on 2026-10-07 @ 5:11 pm
Headline: Heat Advisory issued October 7 at 3:11PM PDT until October 8 at 11:00PM PDT by NWS Eureka CA
Description: * WHAT...High temperatures of 95 to 102 with overnight temperatures
in the high 50s and 60s. Moderate to localized Major HeatRisk.

* WHERE...Mendocino Interior, and Lake County.

* WHEN...Until 11 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses.

Alert: Extreme Heat Warning
Area(s): Death Valley National Park
Effective: 2026-10-07 @ 4:02 pm -> 2026-10-08 @ 7:00 am
Onset: 2026-10-07 @ 4:02 pm -> 2026-10-09 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Las Vegas NV on 2026-10-07 @ 4:02 pm
Headline: Extreme Heat Warning issued October 7 at 2:02PM PDT until October 9 at 8:00PM PDT by NWS Las Vegas NV
Description: * WHAT...Dangerously hot conditions with high temperatures near 110
degrees and overnight lows only getting down to around 85 degrees.
This will yield at least major Heat Risk, impacting anyone without
adequate cooling and hydration.

* WHERE...Elevations in Death Valley National Park below 2000 feet.

* WHEN...Until 8 PM PDT Friday.

* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.

Alert: Beach Hazards Statement
Area(s): San Diego County Coastal Areas; Orange County Coastal
Effective: 2026-10-07 @ 4:01 pm -> 2026-10-08 @ 8:00 am
Onset: 2026-10-07 @ 4:01 pm -> 2026-10-10 @ 1:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS San Diego CA on 2026-10-07 @ 4:01 pm
Headline: Beach Hazards Statement issued October 7 at 2:01PM PDT until October 9 at 11:00PM PDT by NWS San Diego CA
Description: * WHAT...For the Beach Hazards Statement, surf of 3 to 6 feet
and dangerous rip currents expected. For the Coastal Flood
Advisory, minor coastal flooding around high tides expected.

* WHERE...San Diego County Coastal Areas and Orange County
Coastal Areas.

* WHEN...For the Coastal Flood Advisory, until 2 PM PDT Tuesday.
For the Beach Hazards Statement, through Friday evening.

* IMPACTS...Flooding of beach parking lots, boardwalks, and
roads with only isolated road closures expected. Minor coastal
erosion is also expected. Additionally, elevated surf will
lead to strong rip currents.

* ADDITIONAL DETAILS...High tides are expected to peak between
6.5 and 7.0 feet during the mornings and evenings.

Alert: Coastal Flood Advisory
Area(s): San Diego County Coastal Areas; Orange County Coastal
Effective: 2026-10-07 @ 4:01 pm -> 2026-10-08 @ 8:00 am
Onset: 2026-10-07 @ 4:01 pm -> 2026-10-13 @ 4:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS San Diego CA on 2026-10-07 @ 4:01 pm
Headline: Coastal Flood Advisory issued October 7 at 2:01PM PDT until October 13 at 2:00PM PDT by NWS San Diego CA
Description: * WHAT...For the Beach Hazards Statement, surf of 3 to 6 feet
and dangerous rip currents expected. For the Coastal Flood
Advisory, minor coastal flooding around high tides expected.

* WHERE...San Diego County Coastal Areas and Orange County
Coastal Areas.

* WHEN...For the Coastal Flood Advisory, until 2 PM PDT Tuesday.
For the Beach Hazards Statement, through Friday evening.

* IMPACTS...Flooding of beach parking lots, boardwalks, and
roads with only isolated road closures expected. Minor coastal
erosion is also expected. Additionally, elevated surf will
lead to strong rip currents.

* ADDITIONAL DETAILS...High tides are expected to peak between
6.5 and 7.0 feet during the mornings and evenings.

Alert: Coastal Flood Advisory
Area(s): North Bay Interior Valleys
Effective: 2026-10-07 @ 2:33 pm -> 2026-10-08 @ 3:00 pm
Onset: 2026-10-07 @ 2:33 pm -> 2026-10-14 @ 6:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS San Francisco CA on 2026-10-07 @ 2:33 pm
Headline: Coastal Flood Advisory issued October 7 at 12:33PM PDT until October 14 at 4:00PM PDT by NWS San Francisco CA
Description: * WHAT...Up to 1.2 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal waterways.

* WHERE...Bayshore locations along the San Pablo Bay.

* WHEN...Until 4 PM PDT Wednesday.

* IMPACTS...High tides will result in flooding of low-lying
infrastructure, isolated road closures, and coastal erosion.
Rising tides will bring water and waves farther up the beach
than normal, restricting escape from beaches and coastal areas.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
is expected to be 1.0 ft above normal (6.78 ft MLLW) at 10:51 AM
Thursday 10/8, 1.0 ft above normal (6.86 ft MLLW) at 11:22 AM
Friday 10/9, 1.2 ft above normal (7.06 ft MLLW) at 11:50 AM
Saturday 10/10, 1.2 ft above normal (7.08 ft MLLW) at 12:18 PM
Sunday 10/11, 1.2 ft above normal (7.03 ft MLLW) at 12:46 PM
Monday 10/12, 1.1 ft above normal (6.90 ft MLLW) at 1:14 PM
Tuesday 10/13, and 0.9 ft above normal (6.72 ft MLLW) at 1:46
PM Wednesday 10/14. These predictions include up to 0.9 ft of
surge that will enhance the astronomical tide and flooding
threat. High tide varies up to 90 minutes earlier or later along
the Pacific Coast and through the San Francisco Bay,
respectively.

Alert: Coastal Flood Advisory
Area(s): San Francisco; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: 2026-10-07 @ 2:33 pm -> 2026-10-08 @ 3:00 pm
Onset: 2026-10-09 @ 11:00 am -> 2026-10-13 @ 5:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS San Francisco CA on 2026-10-07 @ 2:33 pm
Headline: Coastal Flood Advisory issued October 7 at 12:33PM PDT until October 13 at 3:00PM PDT by NWS San Francisco CA
Description: * WHAT...Up to 1.2 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal waterways.

* WHERE...Bayshore locations along the San Francisco and Monterey
Bays.

* WHEN...From 9 AM Friday to 3 PM PDT Tuesday.

* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. High tides will result in
flooding along coastal trails, cut off access to some low-
lying beaches and coastal areas, and bring water and waves
farther up the beach than typical.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
is expected to be 1.0 ft above normal (6.86 ft MLLW) at 11:22
AM Friday 10/9, 1.2 ft above normal (7.06 ft MLLW) at 11:50 AM
Saturday 10/10, 1.2 ft above normal (7.08 ft MLLW) at 12:18 PM
Sunday 10/11, 1.2 ft above normal (7.03 ft MLLW) at 12:46 PM
Monday 10/12, 1.1 ft above normal (6.90 ft MLLW) at 1:14 PM
Tuesday 10/13, and 0.9 ft above normal (6.72 ft MLLW) at 1:46 PM
Wednesday 10/14. These predictions include up to 1.0 ft of
surge that will enhance the astronomical tide and flooding
threat. High tide varies up to 90 minutes earlier or later along
the Pacific Coast and through the San Francisco Bay,
respectively.

Alert: Extreme Heat Warning
Area(s): Parker Valley; Gila River Valley; Palo Verde Valley; Chuckwalla Valley
Effective: 2026-10-07 @ 2:11 pm -> 2026-10-08 @ 7:00 am
Onset: 2026-10-08 @ 12:00 pm -> 2026-10-08 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Phoenix AZ on 2026-10-07 @ 2:11 pm
Headline: Extreme Heat Warning issued October 7 at 12:11PM MST until October 8 at 8:00PM MST by NWS Phoenix AZ
Description: * WHAT...Dangerously hot conditions possible. Afternoon temperatures
102 to 106. Major Heat Risk.

* WHERE...In Arizona, Gila River Valley and Parker Valley. In
California, Chuckwalla Valley and Palo Verde Valley.

* WHEN...From 10 AM MST /10 AM PDT/ to 8 PM MST /8 PM PDT/ Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.

Alert: Extreme Heat Warning
Area(s): Imperial County West; Imperial Valley
Effective: 2026-10-07 @ 2:11 pm -> 2026-10-08 @ 7:00 am
Onset: 2026-10-07 @ 2:11 pm -> 2026-10-09 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Phoenix AZ on 2026-10-07 @ 2:11 pm
Headline: Extreme Heat Warning issued October 7 at 12:11PM MST until October 9 at 8:00PM MST by NWS Phoenix AZ
Description: * WHAT...Dangerously hot conditions possible. Afternoon temperatures
104 to 109. Major Heat Risk.

* WHERE...Portions of Imperial County, including the Imperial Valley.

* WHEN...Until 8 PM PDT Friday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. Overexposure can cause heat cramps and heat
exhaustion to develop and, without intervention, can lead to heat
stroke.

Alert: Extreme Heat Warning
Area(s): San Diego County Inland Valleys
Effective: 2026-10-07 @ 1:47 pm -> 2026-10-08 @ 8:00 am
Onset: 2026-10-07 @ 1:47 pm -> 2026-10-08 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS San Diego CA on 2026-10-07 @ 1:47 pm
Headline: Extreme Heat Warning issued October 7 at 11:47AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA
Description: * WHAT...Dangerously hot conditions with high temperatures in the
upper 90s to 105. Nights will be very warm with low temperatures in
the mid 60s to low 70s.

* WHERE...San Diego County Valleys.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

Alert: Extreme Heat Warning
Area(s): San Bernardino and Riverside County Valleys-The Inland Empire
Effective: 2026-10-07 @ 1:47 pm -> 2026-10-08 @ 8:00 am
Onset: 2026-10-07 @ 1:47 pm -> 2026-10-08 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS San Diego CA on 2026-10-07 @ 1:47 pm
Headline: Extreme Heat Warning issued October 7 at 11:47AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA
Description: * WHAT...Dangerously hot conditions with high temperatures in the
upper 90s to 105. Nights will be very warm with low temperatures in
the upper 60s to low 70s.

* WHERE...San Bernardino and Riverside County Valleys-The Inland
Empire.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

Alert: Extreme Heat Warning
Area(s): Orange County Inland
Effective: 2026-10-07 @ 1:47 pm -> 2026-10-08 @ 8:00 am
Onset: 2026-10-07 @ 1:47 pm -> 2026-10-08 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS San Diego CA on 2026-10-07 @ 1:47 pm
Headline: Extreme Heat Warning issued October 7 at 11:47AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA
Description: * WHAT...Dangerously hot conditions with high temperatures in the mid
90s to 100. Nights will be very warm with low temperatures in the
low 70s.

* WHERE...Orange County Inland Areas.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

Alert: Extreme Heat Warning
Area(s): San Diego County Coastal Areas
Effective: 2026-10-07 @ 1:47 pm -> 2026-10-08 @ 8:00 am
Onset: 2026-10-07 @ 1:47 pm -> 2026-10-08 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS San Diego CA on 2026-10-07 @ 1:47 pm
Headline: Extreme Heat Warning issued October 7 at 11:47AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA
Description: * WHAT...Dangerously hot conditions with high temperatures ranging
from the low 80s to low 90s at the beaches to the uppers 90s for
the mesas and other higher coastal terrain. Nights will be very
warm with low temperatures in the low 70s.

* WHERE...San Diego County Coastal Areas.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

Alert: Extreme Heat Warning
Area(s): Orange County Coastal
Effective: 2026-10-07 @ 1:47 pm -> 2026-10-08 @ 8:00 am
Onset: 2026-10-07 @ 1:47 pm -> 2026-10-08 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS San Diego CA on 2026-10-07 @ 1:47 pm
Headline: Extreme Heat Warning issued October 7 at 11:47AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA
Description: * WHAT...Dangerously hot conditions with high temperatures ranging
from the mid 80s to mid 90s. Nights will be very warm with low
temperatures in the upper 60s to low 70s.

* WHERE...Orange County Coastal Areas.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

Alert: Extreme Heat Warning
Area(s): Santa Ana Mountains and Foothills
Effective: 2026-10-07 @ 1:47 pm -> 2026-10-08 @ 8:00 am
Onset: 2026-10-07 @ 1:47 pm -> 2026-10-08 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS San Diego CA on 2026-10-07 @ 1:47 pm
Headline: Extreme Heat Warning issued October 7 at 11:47AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA
Description: * WHAT...Dangerously hot conditions with high temperatures in the
90s. Nights will be very warm with low temperatures in the upper
60s to mid 70s.

* WHERE...Santa Ana Mountains and Foothills.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

Alert: Extreme Heat Warning
Area(s): Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
Effective: 2026-10-07 @ 1:47 pm -> 2026-10-08 @ 8:00 am
Onset: 2026-10-07 @ 1:47 pm -> 2026-10-09 @ 10:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS San Diego CA on 2026-10-07 @ 1:47 pm
Headline: Extreme Heat Warning issued October 7 at 11:47AM PDT until October 9 at 8:00PM PDT by NWS San Diego CA
Description: * WHAT...Dangerously hot conditions with temperatures 105 to 108
expected. Low temperatures in the upper 70s to low 80s.

* WHERE...Coachella Valley, San Diego County Deserts, and San
Gorgonio Pass near Banning.

* WHEN...Until 8 PM PDT Friday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

Alert: Fire Weather Watch
Area(s): Surprise Valley California; Eastern Lassen County; Northern Washoe County
Effective: 2026-10-07 @ 11:48 am -> 2026-10-08 @ 4:45 pm
Onset: 2026-10-09 @ 3:00 pm -> 2026-10-09 @ 11:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Reno NV on 2026-10-07 @ 11:48 am
Headline: Fire Weather Watch issued October 7 at 9:48AM PDT until October 9 at 9:00PM PDT by NWS Reno NV
Description: The National Weather Service in Reno NV has issued a Fire Weather
Watch.

* AFFECTED AREA...Fire Weather Zones 270 Surprise Valley California,
278 Eastern Lassen County, and 458 Northern Washoe County.

* TIMING...From Friday afternoon through Friday evening.

* WINDS...West winds 15 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...Minimum humidity between 12 and 17 percent.

* DURATION...2 to 5 hours.

* IMPACTS...The combination of gusty winds and low humidity can cause
fires to rapidly grow in size and intensity before first responders
can contain them.

Alert: Heat Advisory
Area(s): Western Shasta County Foothills Between 1000-3000 ft; South-Central Shasta County Including Redding Metro; Eastern Shasta County Foothills Between 1000-3000 ft; Sierra Nevada of Tehama-Butte-Plumas Counties Between 1000-3000 ft; Northern Motherlode Between 1000-3000 ft; Central Motherlode Between 1000-3000 ft; Southern Motherlode Between 1000-3000 ft; Western Tehama County Foothills Between 1000-3000 ft; Northern Sacramento Valley in Tehama County; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Western Glenn and Colusa County Foothills Between 1000-3000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Capay Hills of Yolo County and Vaca Hills of Solano County; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Eastern Diablo Range Above 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Effective: 2026-10-07 @ 10:51 am -> 2026-10-08 @ 4:00 pm
Onset: 2026-10-07 @ 10:51 am -> 2026-10-09 @ 12:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Sacramento CA on 2026-10-07 @ 10:51 am
Headline: Heat Advisory issued October 7 at 8:51AM PDT until October 8 at 10:00PM PDT by NWS Sacramento CA
Description: * WHAT...High temperatures of 92 to 101 degrees expected and
overnight low temperatures in the mid 60s to low 70s, with
widespread Moderate HeatRisk and areas of Major HeatRisk.

* WHERE...The Sacramento and northern San Joaquin Valleys, Delta and
Carquinez Strait, and foothills.

* WHEN...Until 10 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses, especially to
anyone without effective cooling and/or adequate hydration.

* ADDITIONAL DETAILS...Hottest days expected Today and Thursday.
Temperatures begin a cooling trend on Friday, with Moderate
HeatRisk in the foothill thermal belts and in Sacramento; Minor
HeatRisk elsewhere.

Alert: Heat Advisory
Area(s): Sonoma Coastal Range; North Bay Interior Mountains; North Bay Interior Valleys; San Francisco Bay Shoreline; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park
Effective: 2026-10-07 @ 10:42 am -> 2026-10-08 @ 4:00 am
Onset: 2026-10-07 @ 10:42 am -> 2026-10-09 @ 12:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS San Francisco CA on 2026-10-07 @ 10:42 am
Headline: Heat Advisory issued October 7 at 8:42AM PDT until October 8 at 10:00PM PDT by NWS San Francisco CA
Description: * WHAT...Hot conditions with maximum temperatures in the mid-90s to
near 105. Mild minimum temperatures and weak onshore flow will
limit overnight relief.

* WHERE...The East Bay and San Francisco Bay Shoreline, North Bay
Interior Mountains and Valleys, The Santa Clara Valley and Eastern
Hills, The Santa Cruz Mountains, Interior Monterey County and the
Santa Lucia Range, Most of San Benito County and the Cholame Hills
in Southeast Monterey County, and Southern Salinas Valley/Arroyo
Seco and Lake San Antonio.

* WHEN...Until 10 PM PDT Thursday.

* IMPACTS...This level of heat affects anyone without effective
cooling and/or adequate hydration. Impacts likely in some health
systems, heat-sensitive industries and infrastructure.

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