Weather Alerts For Ontario, CA

URGENT - WEATHER MESSAGE National Weather Service San Diego CA 918 PM PST Tue Feb 3 2026 San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-San Bernardino County Mountains-Riverside County Mountains-Santa Ana Mountains and Foothills-San Diego County Mountains-San Gorgonio Pass near Banning-Orange County Inland Areas- Including the cities of Idyllwild-Pine Cove, Banning, Moreno Valley, Corona, San Bernardino, Rancho Cucamonga, Fontana, Riverside, Poway, Running Springs, and Pine Valley 918 PM PST Tue Feb 3 2026 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM WEDNESDAY TO NOON PST THURSDAY... * WHAT...East winds 15 to 25 mph with gusts to 45 mph expected. Isolated gusts to 55 mph on the coastal slopes and below the San Gorgonio Pass. * WHERE...Orange County Inland Areas, Riverside County Mountains, San Bernardino County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Mountains, San Diego County Valleys, San Gorgonio Pass near Banning, and Santa Ana Mountains and Foothills. * WHEN...From 4 AM Wednesday to noon PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. &&

Air Quality Alert Message Relayed by National Weather Service San Diego, CA 451 PM PST Tue Feb 3 2026 San Bernardino and Riverside County Valleys-The Inland Empire- Orange County Coastal Areas-Orange County Inland Areas- Including the cities of Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, Corona, Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, San Clemente, Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton, and Mission Viejo 451 PM PST Tue Feb 3 2026 ...AIR QUALITY ALERT DUE TO HARMFUL PARTICLE POLLUTION LEVELS FROM WINDBLOWN DUST... * WHAT...The South Coast AQMD 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 parts of the Inland Empire, Orange County, and South Coastal LA County. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...Until 11 PM Wednesday. * 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... To protect your health, check air quality levels and act as needed: * When Air Quality Index (AQI) levels are "Unhealthy for Sensitive Groups" (orange), sensitive groups as specified above should limit extended or intense outdoor activity. * When AQI is "Unhealthy" (red), everyone may experience health impacts. Sensitive groups should avoid extended time outdoors. * When AQI is "Very Unhealthy" (purple), sensitive groups should avoid all outdoor physical activity. Everyone else should avoid extended or intense outdoor activity. * When AQI is "Hazardous" (maroon), everyone should avoid all outdoor physical activity. * ADDITIONAL DETAILS... To help keep indoor air clean when air quality is poor: * Keep windows and doors closed * Run your air conditioner and/or an air purifier * Do not use whole house fans or swamp coolers that bring in outside air if you have other methods to stay cool * Avoid other sources of pollution such as fireplaces, candles, incense, grilling, and gasoline-powered lawn and garden equipment To help minimize outdoor particle pollution levels: * Carpool, telecommute, reduce trips, or take public transportation * Slow down if driving on dirt roads * Stabilize loose soils

Pollen Index: 8.3 Pollen Level: medium-high Predominant Pollen: Alder, Ash and Cedar/Juniper The amount of pollen in the air for Tuesday will not change appreciably and will remain in the high range. This lack of change in airborne pollen will continue to affect those who suffer from allergies and those who live with the allergy sufferers.