San Francisco, California
Regional Weather Alerts
| Alert: | Extreme Heat Warning |
| Area(s): | Orange County Inland |
| Effective: | 2026-10-03 @ 6:01 am -> 2026-10-03 @ 4:15 pm |
| Onset: | 2026-10-03 @ 6:01 am -> 2026-10-08 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-10-03 @ 6:01 am |
| Headline: | Extreme Heat Warning issued October 3 at 4:01AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with high temperatures in the mid 90s to 102 and warm nights with low temperatures in the 70s expected. For the Wind Advisory, east winds 15 to 25 mph with gusts to 35 mph expected. * WHERE...Orange County Inland Areas. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Thursday. For the Wind Advisory, until 6 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Heat related illnesses increase significantly during extreme heat events. |
| Alert: | Wind Advisory |
| Area(s): | San Bernardino and Riverside County Valleys-The Inland Empire |
| Effective: | 2026-10-03 @ 6:01 am -> 2026-10-03 @ 4:15 pm |
| Onset: | 2026-10-03 @ 8:00 am -> 2026-10-03 @ 8:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-10-03 @ 6:01 am |
| Headline: | Wind Advisory issued October 3 at 4:01AM PDT until October 3 at 6:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with high temperatures in the upper 90s to 103 and warm nights with low temperatures in the lower to mid 70s expected. For the Wind Advisory, east winds 15 to 25 mph with gusts to 45 mph expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Thursday. For the Wind Advisory, until 6 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Heat related illnesses increase significantly during extreme heat events. |
| Alert: | Wind Advisory |
| Area(s): | Riverside County Mountains; San Diego County Mountains; San Gorgonio Pass Near Banning |
| Effective: | 2026-10-03 @ 6:01 am -> 2026-10-03 @ 4:15 pm |
| Onset: | 2026-10-03 @ 8:00 am -> 2026-10-03 @ 8:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-10-03 @ 6:01 am |
| Headline: | Wind Advisory issued October 3 at 4:01AM PDT until October 3 at 6:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...East winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Riverside County Mountains, San Diego County Mountains, and San Gorgonio Pass near Banning. * WHEN...Until 6 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. |
| Alert: | Wind Advisory |
| Area(s): | Orange County Inland |
| Effective: | 2026-10-03 @ 6:01 am -> 2026-10-03 @ 4:15 pm |
| Onset: | 2026-10-03 @ 8:00 am -> 2026-10-03 @ 8:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-10-03 @ 6:01 am |
| Headline: | Wind Advisory issued October 3 at 4:01AM PDT until October 3 at 6:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with high temperatures in the mid 90s to 102 and warm nights with low temperatures in the 70s expected. For the Wind Advisory, east winds 15 to 25 mph with gusts to 35 mph expected. * WHERE...Orange County Inland Areas. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Thursday. For the Wind Advisory, until 6 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Heat related illnesses increase significantly during extreme heat events. |
| Alert: | Wind Advisory |
| Area(s): | Santa Ana Mountains and Foothills |
| Effective: | 2026-10-03 @ 6:01 am -> 2026-10-03 @ 4:15 pm |
| Onset: | 2026-10-03 @ 8:00 am -> 2026-10-03 @ 8:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-10-03 @ 6:01 am |
| Headline: | Wind Advisory issued October 3 at 4:01AM PDT until October 3 at 6:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with temperatures up to 100 expected. For the Wind Advisory, east winds 15 to 25 mph with gusts to 40 mph expected. * WHERE...Santa Ana Mountains and Foothills. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Thursday. For the Wind Advisory, until 6 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Heat related illnesses increase significantly during extreme heat events. |
| Alert: | Wind Advisory |
| Area(s): | San Diego County Inland Valleys |
| Effective: | 2026-10-03 @ 6:01 am -> 2026-10-03 @ 4:15 pm |
| Onset: | 2026-10-03 @ 8:00 am -> 2026-10-03 @ 8:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-10-03 @ 6:01 am |
| Headline: | Wind Advisory issued October 3 at 4:01AM PDT until October 3 at 6:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with high temperatures in the upper 90s to 103 and warm nights with low temperatures in the lower to mid 70s expected. For the Wind Advisory, east winds 20 to 30 mph with gusts to 45 mph expected. * WHERE...San Diego County Valleys. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Thursday. For the Wind Advisory, until 6 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Heat related illnesses increase significantly during extreme heat events. |
| Alert: | Extreme Heat Warning |
| Area(s): | Santa Ana Mountains and Foothills |
| Effective: | 2026-10-03 @ 6:01 am -> 2026-10-03 @ 4:15 pm |
| Onset: | 2026-10-03 @ 6:01 am -> 2026-10-08 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-10-03 @ 6:01 am |
| Headline: | Extreme Heat Warning issued October 3 at 4:01AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with temperatures up to 100 expected. For the Wind Advisory, east winds 15 to 25 mph with gusts to 40 mph expected. * WHERE...Santa Ana Mountains and Foothills. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Thursday. For the Wind Advisory, until 6 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Heat related illnesses increase significantly during extreme heat events. |
| Alert: | Extreme Heat Warning |
| Area(s): | Orange County Coastal |
| Effective: | 2026-10-03 @ 6:01 am -> 2026-10-03 @ 4:15 pm |
| Onset: | 2026-10-03 @ 6:01 am -> 2026-10-08 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-10-03 @ 6:01 am |
| Headline: | Extreme Heat Warning issued October 3 at 4:01AM 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 around 90 near the coast to the mid 90s to around 100 near higher coastal terrain expected. Nights will be very warm with low temperatures mostly in the 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): | San Bernardino and Riverside County Valleys-The Inland Empire |
| Effective: | 2026-10-03 @ 6:01 am -> 2026-10-03 @ 4:15 pm |
| Onset: | 2026-10-03 @ 6:01 am -> 2026-10-08 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-10-03 @ 6:01 am |
| Headline: | Extreme Heat Warning issued October 3 at 4:01AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with high temperatures in the upper 90s to 103 and warm nights with low temperatures in the lower to mid 70s expected. For the Wind Advisory, east winds 15 to 25 mph with gusts to 45 mph expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Thursday. For the Wind Advisory, until 6 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Heat related illnesses increase significantly during extreme heat events. |
| Alert: | Extreme Heat Warning |
| Area(s): | San Diego County Inland Valleys |
| Effective: | 2026-10-03 @ 6:01 am -> 2026-10-03 @ 4:15 pm |
| Onset: | 2026-10-03 @ 6:01 am -> 2026-10-08 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-10-03 @ 6:01 am |
| Headline: | Extreme Heat Warning issued October 3 at 4:01AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA |
| Description: |
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with high temperatures in the upper 90s to 103 and warm nights with low temperatures in the lower to mid 70s expected. For the Wind Advisory, east winds 20 to 30 mph with gusts to 45 mph expected. * WHERE...San Diego County Valleys. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Thursday. For the Wind Advisory, until 6 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Heat related illnesses increase significantly during extreme heat events. |
| Alert: | Extreme Heat Warning |
| Area(s): | San Diego County Coastal Areas |
| Effective: | 2026-10-03 @ 6:01 am -> 2026-10-03 @ 4:15 pm |
| Onset: | 2026-10-03 @ 6:01 am -> 2026-10-08 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Diego CA on 2026-10-03 @ 6:01 am |
| Headline: | Extreme Heat Warning issued October 3 at 4:01AM 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 lower 90s near the coast to the mid 90s to low 100s for the mesas and other higher coastal terrain expected. Nights will be very warm with low temperatures mostly in the 70s. * WHERE...San Diego County Coastal Areas. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. |
| Alert: | Heat Advisory |
| Area(s): | Northern Monterey Bay |
| Effective: | 2026-10-03 @ 4:02 am -> 2026-10-03 @ 11:15 am |
| Onset: | 2026-10-03 @ 1:00 pm -> 2026-10-05 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Francisco CA on 2026-10-03 @ 4:02 am |
| Headline: | Heat Advisory issued October 3 at 2:02AM PDT until October 4 at 10:00PM PDT by NWS San Francisco CA |
| Description: |
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Heat Advisory, hot conditions with maximum temperatures in the low-80s to low-90s. Mild minimum temperatures and weak onshore flow will limit overnight relief. * WHERE...Northern Monterey Bay. * WHEN...For the Dense Fog Advisory, until 9 AM PDT this morning. For the Heat Advisory, from 11 AM this morning to 10 PM PDT Sunday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Heat Advisory, this level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure. |
| 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: | 2026-10-03 @ 4:02 am -> 2026-10-03 @ 11:15 am |
| Onset: | 2026-10-03 @ 1:00 pm -> 2026-10-06 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Francisco CA on 2026-10-03 @ 4:02 am |
| Headline: | Heat Advisory issued October 3 at 2:02AM PDT until October 5 at 10:00PM PDT by NWS San Francisco CA |
| Description: |
* WHAT...Hot conditions with maximum temperatures in the mid-90s to low-100s. 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...From 11 AM this morning to 10 PM PDT Monday. * 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. |
| Alert: | Heat Advisory |
| Area(s): | San Francisco; Marin Coastal Range; Northern Salinas Valley/Hollister Valley and Carmel Valley |
| Effective: | 2026-10-03 @ 4:02 am -> 2026-10-03 @ 11:15 am |
| Onset: | 2026-10-03 @ 1:00 pm -> 2026-10-05 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Francisco CA on 2026-10-03 @ 4:02 am |
| Headline: | Heat Advisory issued October 3 at 2:02AM PDT until October 4 at 10:00PM PDT by NWS San Francisco CA |
| Description: |
* WHAT...Hot conditions with maximum temperatures in the low-80s to low-90s. Mild minimum temperatures and weak onshore flow will limit overnight relief. * WHERE...The Marin Hills, San Francisco, and Northern Salinas Valley/Hollister Valley and Carmel Valley. * WHEN...From 11 AM this morning to 10 PM PDT Sunday. * 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. |
| Alert: | Dense Fog Advisory |
| Area(s): | San Francisco Peninsula Coast; Southern Monterey Bay and Big Sur Coast |
| Effective: | 2026-10-03 @ 4:02 am -> 2026-10-03 @ 11:00 am |
| Onset: | 2026-10-03 @ 4:02 am -> 2026-10-03 @ 11:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Francisco CA on 2026-10-03 @ 4:02 am |
| Headline: | Dense Fog Advisory issued October 3 at 2:02AM PDT until October 3 at 9:00AM PDT by NWS San Francisco CA |
| Description: |
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Southern Monterey Bay and the Big Sur Coast, and San Francisco Peninsula Coast. * WHEN...Until 9 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. |
| Alert: | Dense Fog Advisory |
| Area(s): | Northern Monterey Bay |
| Effective: | 2026-10-03 @ 4:02 am -> 2026-10-03 @ 11:15 am |
| Onset: | 2026-10-03 @ 4:02 am -> 2026-10-03 @ 11:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS San Francisco CA on 2026-10-03 @ 4:02 am |
| Headline: | Dense Fog Advisory issued October 3 at 2:02AM PDT until October 3 at 9:00AM PDT by NWS San Francisco CA |
| Description: |
* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Heat Advisory, hot conditions with maximum temperatures in the low-80s to low-90s. Mild minimum temperatures and weak onshore flow will limit overnight relief. * WHERE...Northern Monterey Bay. * WHEN...For the Dense Fog Advisory, until 9 AM PDT this morning. For the Heat Advisory, from 11 AM this morning to 10 PM PDT Sunday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Heat Advisory, this level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure. |
| 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: | 2026-10-03 @ 3:44 am -> 2026-10-03 @ 12:00 pm |
| Onset: | 2026-10-03 @ 1:00 pm -> 2026-10-07 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Hanford CA on 2026-10-03 @ 3:44 am |
| Headline: | Heat Advisory issued October 3 at 1:44AM PDT until October 6 at 11:00PM PDT by NWS Hanford CA |
| Description: |
* WHAT...High temperatures up to 103 degrees expected with the warmest temperatures will be located in the southern San Joaquin Valley. Overnight lows between 70 and 75 degrees expected in the Sierra Foothills where the thermal belt is strongest. * WHERE...San Joaquin Valley and Sierra Nevada foothills. * WHEN...From 11 AM this morning to 11 PM PDT Tuesday. * 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: | Air Quality Alert |
| Area(s): | Imperial County Southwest; Imperial County Southeast; Imperial County West; Imperial Valley |
| Effective: | 2026-10-02 @ 3:42 pm -> 2026-10-04 @ 2:00 am |
| Onset: | 2026-10-02 @ 3:42 pm |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Phoenix AZ on 2026-10-02 @ 3:42 pm |
| Headline: | Air Quality Alert issued October 2 at 1:42PM MST by NWS Phoenix AZ |
| Description: |
* WHAT...The Imperial County APCD has issued an air quality alert due to harmful levels of particle pollution from windblown dust. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...In Imperial County. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...Oct 3 6AM to Midnight. * IMPACTS... Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of lung infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk. |
| Alert: | Heat Advisory |
| Area(s): | Southwestern Interior Mendocino; Southeastern Interior Mendocino; Western Lake; Southwestern Lake; Eastern Lake |
| Effective: | 2026-10-02 @ 1:47 pm -> 2026-10-03 @ 9:00 am |
| Onset: | 2026-10-03 @ 1:00 pm -> 2026-10-04 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Eureka CA on 2026-10-02 @ 1:47 pm |
| Headline: | Heat Advisory issued October 2 at 11:47AM PDT until October 3 at 11:00PM PDT by NWS Eureka CA |
| Description: |
* WHAT...High temperatures up to 101 with overnight temperatures over 65. Moderate to localized high HeatRisk. * WHERE...Southern Mendocino Interior, and Southern Lake. * WHEN...From 11 AM to 11 PM PDT Saturday. * IMPACTS...Moderate to localized high HeatRisk will increase the potential for heat illnesses. |
| 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: | 2026-10-02 @ 12:38 pm -> 2026-10-04 @ 10:00 pm |
| Onset: | 2026-10-03 @ 12:00 pm -> 2026-10-04 @ 10:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-10-02 @ 12:38 pm |
| Headline: | Heat Advisory issued October 2 at 10:38AM PDT until October 4 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...From 10 AM Saturday to 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. |
| 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: | 2026-10-02 @ 12:38 pm -> 2026-10-04 @ 10:00 pm |
| Onset: | 2026-10-02 @ 12:38 pm -> 2026-10-08 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-10-02 @ 12:38 pm |
| Headline: | Extreme Heat Warning issued October 2 at 10:38AM PDT until October 8 at 8:00PM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
* WHAT...Dangerously hot conditions with temperatures up to 90 at the coast and 105 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: | 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: | 2026-10-02 @ 12:38 pm -> 2026-10-04 @ 10:00 pm |
| Onset: | 2026-10-02 @ 12:38 pm -> 2026-10-08 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-10-02 @ 12:38 pm |
| Headline: | Extreme Heat Warning issued October 2 at 10:38AM 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...Cuyama Valley, Santa Barbara County Interior Mountains, Santa Barbara County Southeastern Coast, Santa Barbara County Southwestern Coast, Santa Cruz and Anacapa Islands, Santa Ynez Mountains Eastern Range, and Santa Ynez Mountains Western Range. * 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): | 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; 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 |
| Effective: | 2026-10-02 @ 12:00 pm -> 2026-10-03 @ 7:45 pm |
| Onset: | 2026-10-03 @ 1:00 pm -> 2026-10-08 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Sacramento CA on 2026-10-02 @ 12:00 pm |
| Headline: | Heat Advisory issued October 2 at 10:00AM PDT until October 7 at 10:00PM PDT by NWS Sacramento CA |
| Description: |
* WHAT...High temperatures of 94 to 100 degrees expected and low temperatures in the mid 60s to low 70s, with widespread Moderate HeatRisk and areas of Major HeatRisk. * WHERE...Sacramento and northern San Joaquin valleys, Delta and Carquinez Strait, and foothills. * WHEN...From 11 AM Saturday to 10 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses, especially to anyone without effective cooling and/or adequate hydration. |
| Alert: | Heat Advisory |
| Area(s): | Northern Motherlode Between 1000-3000 ft; Central Motherlode Between 1000-3000 ft; Southern Motherlode 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: | 2026-10-02 @ 12:00 pm -> 2026-10-03 @ 7:45 pm |
| Onset: | 2026-10-03 @ 1:00 pm -> 2026-10-08 @ 12:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Sacramento CA on 2026-10-02 @ 12:00 pm |
| Headline: | Heat Advisory issued October 2 at 10:00AM PDT until October 7 at 10:00PM PDT by NWS Sacramento CA |
| Description: |
* WHAT...High temperatures of 94 to 100 degrees expected and low temperatures in the mid 60s to low 70s, with widespread Moderate HeatRisk and areas of Major HeatRisk. * WHERE...Sacramento and northern San Joaquin valleys, Delta and Carquinez Strait, and foothills. * WHEN...From 11 AM Saturday to 10 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses, especially to anyone without effective cooling and/or adequate hydration. |
