San Francisco, California
Regional Weather Alerts
| Alert: | Special Weather Statement |
| Area(s): | San Luis Obispo County Beaches; 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 Central Coast Beaches; Santa Barbara County Inland Central Coast |
| Effective: | 2026-04-12 @ 1:17 am |
| Onset: | 2026-04-12 @ 1:17 am -> 2026-04-12 @ 1:45 am |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-04-12 @ 1:17 am |
| Headline: | Special Weather Statement issued April 11 at 11:17PM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
At 1116 PM PDT, Doppler radar was tracking gusty showers along a line extending from 6 miles north of San Luis Obispo to 19 miles west of Vandenberg Space Force Base. Movement was east at 30 mph. HAZARD...Wind gusts of 50 to 55 mph. While not likely, there is a remote possibility for a brief, weak tornado to develop. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Santa Maria... San Luis Obispo... Pismo Beach... Atascadero... Arroyo Grande... Nipomo... Grover Beach... Guadalupe... Oceano... Black Mountain... Santa Margarita... Avila Beach... Highway 101 over Cuesta Grade... Lake Lopez... and Shell Beach. |
| Alert: | Special Weather Statement |
| Area(s): | San Francisco; San Francisco Bay Shoreline; San Francisco Peninsula Coast |
| Effective: | 2026-04-12 @ 1:14 am |
| Onset: | 2026-04-12 @ 1:14 am -> 2026-04-12 @ 1:30 am |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS San Francisco CA on 2026-04-12 @ 1:14 am |
| Headline: | Special Weather Statement issued April 11 at 11:14PM PDT by NWS San Francisco CA |
| Description: |
At 1114 PM PDT, Doppler radar was tracking a strong thunderstorm near Daly City, moving northeast at 30 mph. HAZARD...Pea size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Hail may accumulate on roadways causing hazardous travel. Locations impacted include... San Francisco, Daly City, South San Francisco, Pacifica, Brisbane, Colma and Broadmoor. |
| Alert: | Special Weather Statement |
| Area(s): | Marin Coastal Range; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys |
| Effective: | 2026-04-12 @ 1:07 am |
| Onset: | 2026-04-12 @ 1:07 am -> 2026-04-12 @ 1:30 am |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS San Francisco CA on 2026-04-12 @ 1:07 am |
| Headline: | Special Weather Statement issued April 11 at 11:07PM PDT by NWS San Francisco CA |
| Description: |
At 1107 PM PDT, Doppler radar was tracking a strong thunderstorm over San Geronimo, or 9 miles west of San Rafael, moving northeast at 35 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Hail may accumulate on roadways causing hazardous travel. Locations impacted include... San Rafael, Novato, San Anselmo, Fairfax, Lucas Valley-Marinwood, San Geronimo, Black Point-Green Point, Woodacre and Lagunitas-Forest Knolls. |
| Alert: | Special Weather Statement |
| Area(s): | San Francisco Bay Shoreline; San Francisco Peninsula Coast; Santa Cruz Mountains |
| Effective: | 2026-04-12 @ 1:03 am |
| Onset: | 2026-04-12 @ 1:03 am -> 2026-04-12 @ 1:30 am |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS San Francisco CA on 2026-04-12 @ 1:03 am |
| Headline: | Special Weather Statement issued April 11 at 11:03PM PDT by NWS San Francisco CA |
| Description: |
At 1103 PM PDT, Doppler radar was tracking an area of strong thunderstorms near Woodside, or 8 miles south of San Carlos, moving northeast at 35 mph. HAZARD...Pea size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Hail may accumulate on roadways causing hazardous travel. Locations impacted include... Redwood City, Mountain View, Palo Alto, Menlo Park, East Palo Alto, Los Altos Hills, Atherton, Woodside, Stanford, North Fair Oaks, Portola Valley, West Menlo Park and Emerald Lake Hills. |
| Alert: | Special Weather Statement |
| Area(s): | San Francisco Bay Shoreline; East Bay Interior Valleys; East Bay Hills |
| Effective: | 2026-04-12 @ 1:01 am |
| Onset: | 2026-04-12 @ 1:01 am -> 2026-04-12 @ 1:30 am |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS San Francisco CA on 2026-04-12 @ 1:01 am |
| Headline: | Special Weather Statement issued April 11 at 11:01PM PDT by NWS San Francisco CA |
| Description: |
At 1101 PM PDT, Doppler radar was tracking a strong thunderstorm near Alameda, moving northeast at 20 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Hail may accumulate on roadways causing hazardous travel. Locations impacted include... Oakland, Orinda, Moraga and Moraga Town. |
| Alert: | Wind Advisory |
| Area(s): | Mojave Desert Slopes |
| Effective: | 2026-04-12 @ 12:54 am -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-12 @ 12:54 am -> 2026-04-12 @ 9:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Hanford CA on 2026-04-12 @ 12:54 am |
| Headline: | Wind Advisory issued April 11 at 10:54PM 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...Until 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: | 2026-04-11 @ 11:36 pm -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-11 @ 11:36 pm -> 2026-04-12 @ 8:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Hanford CA on 2026-04-11 @ 11:36 pm |
| Headline: | Winter Storm Warning issued April 11 at 9:36PM 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...Until 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: | Flood Advisory |
| Area(s): | Amador, CA; Butte, CA; El Dorado, CA; Nevada, CA; Placer, CA; Sacramento, CA; San Joaquin, CA; Sutter, CA; Yolo, CA; Yuba, CA |
| Effective: | 2026-04-11 @ 10:45 pm -> 2026-04-12 @ 2:00 am |
| Onset: | 2026-04-11 @ 10:45 pm -> 2026-04-12 @ 2:00 am |
| Severity: | Minor |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Sacramento CA on 2026-04-11 @ 10:45 pm |
| Headline: | Flood Advisory issued April 11 at 8:45PM PDT until April 12 at 12:00AM PDT by NWS Sacramento CA |
| Description: |
* WHAT...Urban and small stream flooding caused by heavy rain and thunderstorms continues. * WHERE...Portions of central and northern California, including the following counties, Placer, Amador, Butte, El Dorado, Nevada, Sacramento, San Joaquin, Sutter, Yolo and Yuba. * WHEN...Until midnight PDT tonight. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and creeks. Ponding of water over roadways. * ADDITIONAL DETAILS... - At 843 PM PDT, local law enforcement reported roadway flooding in the advisory area due to heavy rain and thunderstorms. This is causing urban and small stream flooding. Between 0.5 and 2 inches of rain have fallen over the past 6 hours. - Some locations that will experience flooding include... Sacramento, Elk Grove, Roseville, Citrus Heights, Folsom, Rocklin, Galt, Auburn, Grass Valley, Marysville, Placerville, Fair Oaks, El Dorado Hills, Carmichael, Cameron Park, Yuba City, Rancho Cordova, West Sacramento, Lincoln and Lake Of The Pines. - Including portions of Interstate 80, US Highway 50 and Highway 49 - http://www.weather.gov/safety/flood |
| Alert: | Winter Weather Advisory |
| Area(s): | Santa Barbara County Interior Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains |
| Effective: | 2026-04-11 @ 10:36 pm -> 2026-04-13 @ 1:00 pm |
| Onset: | 2026-04-11 @ 11:00 pm -> 2026-04-12 @ 1:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-04-11 @ 10:36 pm |
| Headline: | Winter Weather Advisory issued April 11 at 8:36PM PDT until April 13 at 11:00AM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
* WHAT...Wet snow expected. Total snow amounts up to around 6 inches above 6000 feet. Winds gusting as high as 40 mph. * WHERE...Northern Ventura County Mountains, Santa Barbara County Interior Mountains, and Southern Ventura County Mountains. * WHEN...Until 11 AM PDT Monday. * IMPACTS...The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Snow levels will be around 7000 feet through Sunday morning, then lowering to 6000 feet Sunday afternoon and 4500 to 5000 feet late Sunday night into Monday morning. |
| Alert: | Winter Weather Advisory |
| Area(s): | Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains |
| Effective: | 2026-04-11 @ 10:36 pm -> 2026-04-13 @ 1:00 pm |
| Onset: | 2026-04-12 @ 5:00 am -> 2026-04-12 @ 1:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-04-11 @ 10:36 pm |
| Headline: | Winter Weather Advisory issued April 11 at 8:36PM PDT until April 13 at 11:00AM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
* WHAT...Wet snow expected. Total snow accumulations up to around 6 inches above 6000 feet. Winds gusting as high as 45 mph. * WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor, and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN...From 3 AM Sunday to 11 AM PDT Monday. * IMPACTS...The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow levels will be around 7000 feet through Sunday morning, then lowering to 6000 feet Sunday afternoon and 4500 to 5000 feet late Sunday night into Monday morning. No accumulating snow is expected on the Grapevine over Interstate 5 but there could be a mix of rain and snow there Monday morning. |
| Alert: | Wind Advisory |
| Area(s): | Western Antelope Valley Foothills; Eastern Antelope Valley Foothills |
| Effective: | 2026-04-11 @ 9:00 pm -> 2026-04-13 @ 12:00 am |
| Onset: | 2026-04-12 @ 5:00 am -> 2026-04-12 @ 9:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Los Angeles/Oxnard CA on 2026-04-11 @ 9:00 pm |
| Headline: | Wind Advisory issued April 11 at 7:00PM PDT until April 12 at 10:00PM PDT by NWS Los Angeles/Oxnard CA |
| Description: |
* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph expected. Isolated gusts to around 55 mph near Lake Palmdale. * WHERE...Antelope Valley Foothills. * WHEN...From 3 AM to 10 PM PDT Sunday. * 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; Death Valley National Park |
| Effective: | 2026-04-11 @ 8:23 pm -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-11 @ 8:23 pm -> 2026-04-12 @ 8:30 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Las Vegas NV on 2026-04-11 @ 8:23 pm |
| Headline: | Wind Advisory issued April 11 at 6:23PM PDT until April 12 at 11:00PM PDT by NWS Las Vegas NV |
| Description: |
* WHAT...South winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Death Valley National Park and Owens Valley. * WHEN...Until 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. |
| Alert: | Wind Advisory |
| Area(s): | Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin |
| Effective: | 2026-04-11 @ 8:23 pm -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-11 @ 8:23 pm -> 2026-04-12 @ 8:30 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Las Vegas NV on 2026-04-11 @ 8:23 pm |
| Headline: | Wind Advisory issued April 11 at 6:23PM PDT until April 12 at 11:00PM PDT by NWS Las Vegas NV |
| Description: |
* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Eastern Mojave Desert, Morongo Basin, and Western Mojave Desert. * WHEN...Until 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. |
| Alert: | Winter Weather Advisory |
| Area(s): | Western Siskiyou County |
| Effective: | 2026-04-11 @ 4:43 pm -> 2026-04-12 @ 1:00 pm |
| Onset: | 2026-04-11 @ 10:00 pm -> 2026-04-12 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Medford OR on 2026-04-11 @ 4:43 pm |
| Headline: | Winter Weather Advisory issued April 11 at 2:43PM PDT until April 12 at 11:00AM PDT by NWS Medford OR |
| Description: |
* WHAT...Total snow accumulations 4 to 8 inches with up to a 13 inches over mountain peaks and ridges. * WHERE...Elevations above 5000 feet in the Salmon and Scott Mountains in western Siskiyou County. * WHEN...From 8 PM this evening to 11 AM PDT Sunday. * IMPACTS...Travel may be difficult over higher remote terrain. * ADDITIONAL DETAILS...Visit weather.gov/mfr/winter for additional snow probabilities |
| Alert: | Winter Storm Warning |
| Area(s): | Mono |
| Effective: | 2026-04-11 @ 2:15 pm -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-11 @ 4:00 pm -> 2026-04-12 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Reno NV on 2026-04-11 @ 2:15 pm |
| Headline: | Winter Storm Warning issued April 11 at 12:15PM 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 to 55 mph along Highway 395. * WHERE...Mono County. * WHEN...From 2 PM this afternoon to 11 PM PDT Sunday. * IMPACTS...Travel could be very difficult to impossible. Strong winds could cause damage to trees and power lines. |
| Alert: | Winter Weather Advisory |
| Area(s): | Lassen-Eastern Plumas-Eastern Sierra Counties |
| Effective: | 2026-04-11 @ 2:15 pm -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-11 @ 4:00 pm -> 2026-04-12 @ 7:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Reno NV on 2026-04-11 @ 2:15 pm |
| Headline: | Winter Weather Advisory issued April 11 at 12:15PM 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 45 mph Saturday afternoon and evening. * WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties. * WHEN...From 2 PM this afternoon 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: | 2026-04-11 @ 2:15 pm -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-11 @ 4:00 pm -> 2026-04-12 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Reno NV on 2026-04-11 @ 2:15 pm |
| Headline: | Winter Storm Warning issued April 11 at 12:15PM 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 25 inches above 7000 feet and for Sierra passes. Winds gusting as high as 90 mph along the Sierra crest and 20-45 mph for communities surrounding Lake Tahoe. Wave heights for Lake Tahoe from 1 to 3 feet. * WHERE...Greater Lake Tahoe Area. * WHEN...From 2 PM this afternoon 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 Weather Advisory |
| Area(s): | Eastern Sierra Slopes of Inyo County |
| Effective: | 2026-04-11 @ 12:11 pm -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-11 @ 12:11 pm -> 2026-04-12 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Las Vegas NV on 2026-04-11 @ 12:11 pm |
| Headline: | Winter Weather Advisory issued April 11 at 10:11AM 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, resulting in blowing and drifting snow. * WHERE...Eastern Sierra Slopes. * WHEN...Until 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. * ADDITIONAL DETAILS...A break in snow is expected today before snow moves back in late this evening and overnight. |
| Alert: | Winter Storm Warning |
| Area(s): | Western Plumas County/Lassen Park; West Slope Northern Sierra Nevada |
| Effective: | 2026-04-11 @ 11:14 am -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-11 @ 11:14 am -> 2026-04-12 @ 3:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Sacramento CA on 2026-04-11 @ 11:14 am |
| Headline: | Winter Storm Warning issued April 11 at 9:14AM PDT until April 12 at 11:00PM PDT by NWS Sacramento CA |
| Description: |
* WHAT...Heavy snow expected. 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. Wind gusts as high as 50 mph. * WHERE...West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park Counties. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact weekend mountain travel. * ADDITIONAL DETAILS...Snow levels lower to 6000-7000 feet today, then to around 4000-5000 ft Sunday. Heavy snowfall rates of 1-2 inch per hour, with the heaviest snowfall this afternoon through Sunday. |
| Alert: | Winter Weather Advisory |
| Area(s): | Northern Trinity |
| Effective: | 2026-04-11 @ 10:11 am -> 2026-04-13 @ 1:00 am |
| Onset: | 2026-04-11 @ 7:00 pm -> 2026-04-12 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Eureka CA on 2026-04-11 @ 10:11 am |
| Headline: | Winter Weather Advisory issued April 11 at 8:11AM PDT until April 12 at 11:00PM PDT by NWS Eureka CA |
| Description: |
* WHAT...Snow expected. Total snow accumulations between 4 and 8 inches. * WHERE...Northern Trinity above 5000 feet. * WHEN...From 5 PM this afternoon to 11 PM PDT Sunday. * IMPACTS...Travel could be difficult over Highway 3 at Scott Mountain Pass. |