San Jose, California
Regional Weather Alerts
| Alert: | Winter Weather Advisory |
| Area(s): | Lassen-Eastern Plumas-Eastern Sierra Counties |
| Effective: | 2026-04-10 @ 10:21 am -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-11 @ 4:00 pm -> 2026-04-11 @ 6:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Reno NV on 2026-04-10 @ 10:21 am |
| Headline: | Winter Weather Advisory issued April 10 at 8:21AM PDT until April 12 at 11:00PM PDT by NWS Reno NV |
| Description: |
* WHAT...Snow. Snow accumulations up to 6 inches below 6500 feet, 6 to 12 inches above 6500 feet, and up to 24 inches above 7000 feet in eastern Sierra County. Peak winds could gust as high as 35 to 40 mph Saturday afternoon. * WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties. * WHEN...From 2 PM Saturday to 11 PM PDT Sunday. * IMPACTS...Plan on slippery road conditions, especially for the Saturday evening and Sunday morning commutes. |
| Alert: | Winter Storm Warning |
| Area(s): | Greater Lake Tahoe Area; Greater Lake Tahoe Area |
| Effective: | 2026-04-10 @ 10:21 am -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-11 @ 4:00 pm -> 2026-04-11 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Reno NV on 2026-04-10 @ 10:21 am |
| Headline: | Winter Storm Warning issued April 10 at 8:21AM PDT until April 12 at 11:00PM PDT by NWS Reno NV |
| Description: |
* WHAT...Heavy snow. Snow accumulations between 6 to 10 inches for communities surrounding Lake Tahoe and up to 7000 feet, and 12 to 28 inches above 7000 feet and for Sierra passes. Winds gusting as high as 90 mph along the Sierra crest and 20-35 mph for communities surrounding Lake Tahoe. * WHERE...Greater Lake Tahoe Area. * WHEN...From 2 PM Saturday to 11 PM PDT Sunday. * IMPACTS...Travel could be very difficult to impossible, especially for the Saturday evening and Sunday morning commutes. Strong winds could cause damage to trees and power lines. |
| Alert: | Winter Storm Warning |
| Area(s): | Mono |
| Effective: | 2026-04-10 @ 10:21 am -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-11 @ 4:00 pm -> 2026-04-11 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Reno NV on 2026-04-10 @ 10:21 am |
| Headline: | Winter Storm Warning issued April 10 at 8:21AM PDT until April 12 at 11:00PM PDT by NWS Reno NV |
| Description: |
* WHAT...Heavy snow. Snow accumulations between 2 to 8 inches below 8000 feet, 6 to 12 inches above 8000 feet, and locally up to 24 inches across higher terrain along the Sierra crest. Winds peak along the crest gusting as high as 80 mph and up to 45 mph along Highway 395. * WHERE...Mono County. * WHEN...From 2 PM Saturday to 11 PM PDT Sunday. * IMPACTS...Travel could be very difficult to impossible. Strong winds could cause damage to trees and power lines. |
| Alert: | Wind Advisory |
| Area(s): | Mojave Desert Slopes |
| Effective: | 2026-04-10 @ 8:47 am -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-10 @ 1:00 pm -> 2026-04-10 @ 5:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Hanford CA on 2026-04-10 @ 8:47 am |
| Headline: | Wind Advisory issued April 10 at 6:47AM PDT until April 12 at 11:00PM PDT by NWS Hanford CA |
| Description: |
* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Mojave Desert Slopes. * WHEN...From 11 AM this morning to 11 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Includes State Routes 14, 58, and 178, as well as U.S. 395. |
| Alert: | Winter Storm Warning |
| Area(s): | Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP; South End of the Upper Sierra |
| Effective: | 2026-04-10 @ 5:51 am -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-10 @ 7:00 pm -> 2026-04-10 @ 2:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Hanford CA on 2026-04-10 @ 5:51 am |
| Headline: | Winter Storm Warning issued April 10 at 3:51AM PDT until April 12 at 11:00PM PDT by NWS Hanford CA |
| Description: |
* WHAT...Heavy snow expected. Low-end storm total of 10 inches and high-end total of 30 inches expected in Madera and Mariposa Counties and Yosemite National Park above 7,000 ft. Winds gusting to 55 mph or higher. * WHERE...A portion of central California. * WHEN...From 5 PM this afternoon to 11 PM PDT Sunday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Whiteout conditions are expected and will make travel treacherous and potentially life-threatening. |
| Alert: | Wind Advisory |
| Area(s): | Death Valley National Park; Western Mojave Desert; Morongo Basin; Esmeralda and Central Nye County |
| Effective: | 2026-04-10 @ 3:01 am -> 2026-04-11 @ 1:00 am |
| Onset: | 2026-04-10 @ 2:00 pm -> 2026-04-10 @ 3:15 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Las Vegas NV on 2026-04-10 @ 3:01 am |
| Headline: | Wind Advisory issued April 10 at 1:01AM PDT until April 10 at 11:00PM PDT by NWS Las Vegas NV |
| Description: |
* WHAT...Southerly-to-southwesterly winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...In California, Death Valley National Park, Morongo Basin, and Western Mojave Desert. In Nevada, Esmeralda and Central Nye County. * WHEN...From noon today to 11 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): | Owens Valley |
| Effective: | 2026-04-10 @ 3:01 am -> 2026-04-11 @ 1:00 am |
| Onset: | 2026-04-10 @ 2:00 pm -> 2026-04-10 @ 3:15 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Las Vegas NV on 2026-04-10 @ 3:01 am |
| Headline: | Wind Advisory issued April 10 at 1:01AM PDT until April 10 at 11:00PM PDT by NWS Las Vegas NV |
| Description: |
* WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. Westerly downslope winds will be possible later this afternoon/early this evening in the southern Owens Valley. * WHERE...Owens Valley. * WHEN...From noon today to 11 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: | Winter Weather Advisory |
| Area(s): | Eastern Sierra Slopes of Inyo County |
| Effective: | 2026-04-10 @ 1:32 am -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-11 @ 1:00 am -> 2026-04-10 @ 4:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Las Vegas NV on 2026-04-10 @ 1:32 am |
| Headline: | Winter Weather Advisory issued April 9 at 11:32PM PDT until April 12 at 11:00PM PDT by NWS Las Vegas NV |
| Description: |
* WHAT...Snow and strong winds will make for hazardous conditions in the Eastern Sierra. Snow accumulations of 3 to 7 inches between 8,000 and 9,500 feet expected. Snow accumulations of 8 to 12 inches above 9,500 feet, with locally higher totals exceeding 1 foot possible along the ridgeline. Winds may gust as high as 60 mph. * WHERE...Elevations above 8,000 feet in the Eastern Sierra Slopes. * WHEN...From 11 PM Friday to 11 PM PDT Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. Strong winds could cause tree damage. |
| Alert: | Wind Advisory |
| Area(s): | Imperial County Southwest |
| Effective: | 2026-04-10 @ 1:23 am -> 2026-04-11 @ 7:00 am |
| Onset: | 2026-04-10 @ 7:00 pm -> 2026-04-10 @ 5:30 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Phoenix AZ on 2026-04-10 @ 1:23 am |
| Headline: | Wind Advisory issued April 9 at 11:23PM PDT until April 11 at 5:00AM PDT by NWS Phoenix AZ |
| Description: |
* WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Southwest corner of Imperial County. * WHEN...From 5 PM Friday to 5 AM PDT Saturday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. |
| Alert: | Air Quality Alert |
| Area(s): | Chuckwalla Mountains; Imperial County Southeast; Imperial Valley |
| Effective: | 2026-04-09 @ 2:59 pm |
| Onset: | 2026-04-09 @ 2:59 pm -> 2026-04-11 @ 1:00 am |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS Phoenix AZ on 2026-04-09 @ 2:59 pm |
| Headline: | Air Quality Alert issued April 9 at 12:59PM 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 Valley and the eastern portion of Imperial County. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...from 4pm today through 11 pm April 10 2026. * 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: | Air Quality Alert |
| Area(s): | Coachella Valley; San Gorgonio Pass Near Banning |
| Effective: | 2026-04-09 @ 2:57 pm |
| Onset: | 2026-04-09 @ 2:57 pm -> 2026-04-11 @ 5:00 am |
| Severity: | Unknown |
| Certainty: | Unknown |
| Urgency: | Unknown |
| Issued By: | NWS San Diego CA on 2026-04-09 @ 2:57 pm |
| Headline: | Air Quality Alert issued April 9 at 12:57PM PDT by NWS San Diego CA |
| Description: |
* 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 the Coachella Valley. The highest PM10 levels are expected in northwest Coachella Valley. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...Until 3 AM Saturday. * 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: | Winter Storm Warning |
| Area(s): | Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada |
| Effective: | 2026-04-09 @ 1:46 pm -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-10 @ 7:00 pm -> 2026-04-10 @ 7:15 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Sacramento CA on 2026-04-09 @ 1:46 pm |
| Headline: | Winter Storm Warning issued April 9 at 11:46AM PDT until April 12 at 11:00PM PDT by NWS Sacramento CA |
| Description: |
* WHAT...Heavy snow. Total snow accumulations 1 to 2 feet above 4500 feet, with up to 3 to 4 feet at the highest peaks. Minor snowfall accumulations of 2 to 4 inches down to 4000 feet. Winds could gust as high as 50 mph. * WHERE...West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park above 4500 feet. * WHEN...From 5 PM Friday to 11 PM PDT Sunday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Friday evening commute and weekend mountain travel. * ADDITIONAL DETAILS...Snow levels generally remain above pass levels through Friday afternoon, dropping to around 6000-7000 ft Friday night-Saturday, then lowering to around 4000-5000 ft late Saturday into Sunday. Heaviest snow rates and lowest snow levels will be Saturday afternoon through Sunday. |