Vista, CA Warnings, Watches and Advisories
NWS Active Alerts for CA - Map View
Winter Weather Advisory
Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80; Sierra Nevada of El Dorado-Amador-Northern Alpine Counties Above 5000 ft Including Highway 50; Sierra Nevada of Calaveras-Tuolumne-Southern Alpine Counties Above 5000 ft
Winter Weather Advisory issued October 31 at 11:45AM PDT until November 1 at 7:00AM PST by NWS Sacramento CA
* WHAT...Snow expected for elevations above 7000 feet. Total snow accumulations up to 10 inches, with up to 18 inches at the highest peaks. Minor accumulations of up to 3 inches possible down to 6000 feet. * WHERE...Northern Sierra above 7000 feet, including Highway 50 and Interstate 80. * WHEN...Until 7 AM PST Sunday. * IMPACTS...Plan on slippery travel conditions and minor travel delays, with chain controls possible. * ADDITIONAL DETAILS...Snow levels 7000 to 8000 feet through this evening, lowering to 5500 to 6500 feet overnight. Heaviest snowfall expected tonight into Sunday morning. Light flurries to a dusting possible down to 5500 feet with measurable accumulations remaining above 6000 feet.
Moderate
Likely
Expected
October 31st, 2026 10:45:00 am AKDT
October 31st, 2026 10:45:00 am AKDT
November 1st, 2026 07:00:00 am AKDT
Winter Weather Advisory
Greater Lake Tahoe Area; Greater Lake Tahoe Area
Winter Weather Advisory issued October 31 at 11:33AM PDT until November 1 at 7:00AM PST by NWS Reno NV
* CHANGES...Updated snow totals along the higher peaks. * WHAT...Snow above 7000 ft. Snow accumulations of 2 to 5 inches with up to 8 inches along the highest peaks. Minor accumulations of up to 1 inch possible down to 6000 ft. Winds gusting as high as 50 mph along the ridgetops. * WHERE...Greater Lake Tahoe Area. * WHEN...Until 7 AM PST Sunday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Heaviest snowfall expected late Saturday night.
Moderate
Likely
Expected
October 31st, 2026 10:33:00 am AKDT
October 31st, 2026 10:33:00 am AKDT
November 1st, 2026 07:00:00 am AKDT
Winter Weather Advisory
Mono
Winter Weather Advisory issued October 31 at 11:33AM PDT until November 1 at 7:00AM PST by NWS Reno NV
* CHANGES...Updated snow totals along the higher peaks. * WHAT...Snow above 8000 ft. Snow accumulations of 2 to 7 inches with up to 12 inches along the highest peaks. Minor accumulations of up to 2 inches possible down to 7500 ft. Winds gusting as high as 45 mph along Sierra ridgetops. * WHERE...Mono County. * WHEN...Until 7 AM PST Sunday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Heaviest snowfall expected late Saturday night.
Moderate
Likely
Expected
October 31st, 2026 10:33:00 am AKDT
October 31st, 2026 10:33:00 am AKDT
November 1st, 2026 07:00:00 am AKDT
Winter Weather Advisory
Yosemite NP outside of the valley; Upper San Joaquin River; Kaiser to Rodgers Ridge; Kings Canyon NP; Sequoia NP
Winter Weather Advisory issued October 31 at 11:02AM PDT until November 1 at 7:00AM PST by NWS Hanford CA
* WHAT...Snow expected. Total snow accumulations 4 to 8 inches between 7500 and 9500 feet, and up to 18 inches above 9500 feet. Wind gusts up to 35 mph expected. * WHERE...Kaiser to Rodgers Ridge, Kings Canyon NP, Sequoia NP, Upper San Joaquin River, and Yosemite NP outside of the valley. * WHEN...Until 7 AM PST Sunday. * IMPACTS...Travel could be very difficult.
Moderate
Likely
Expected
October 31st, 2026 11:02:00 am PDT
October 31st, 2026 11:02:00 am PDT
October 31st, 2026 08:00:00 pm PDT
Flood Watch
Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; San Bernardino County-Upper Colorado River Valley; Lake Mead - NV side; Lake Mohave - NV side
Flood Watch issued October 31 at 9:45AM PDT until November 2 at 4:00AM PST by NWS Las Vegas NV
* WHAT...Flash flooding caused by excessive rainfall will be possible. * WHERE...Portions of northwest Arizona, including the following areas, Lake Havasu and Fort Mohave, Lake Mead - AZ side and Lake Mohave - AZ side, southeast California, including the following area, San Bernardino County-Upper Colorado River Valley, and southern Nevada, including the following areas, Lake Mead - NV side and Lake Mohave - NV side. * WHEN...From this evening through late Sunday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Moderate to heavy rain is possible at times tonight through Sunday night. Between a half an inch and an inch of rain will be possible. With saturated soils and significant run off expected, flash flooding may occur. - http://www.weather.gov/safety/flood
Severe
Possible
Future
October 31st, 2026 08:45:00 am AKDT
October 31st, 2026 08:45:00 am AKDT
November 1st, 2026 04:00:00 am AKDT
Coastal Flood Advisory
Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Coastal Flood Advisory issued October 31 at 4:45AM PDT until October 31 at 6:00PM PDT by NWS San Francisco CA
* WHAT...Up to 1.5 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Pacific Coast. * WHEN...Until 6 PM PDT Saturday. * 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 1.5 feet above normal (7.3 ft MLLW) at 03:44 PM on Saturday 10/31. These predictions include up to 1.5 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.
Minor
Likely
Expected
October 31st, 2026 04:45:00 am PDT
October 31st, 2026 04:45:00 am PDT
October 31st, 2026 06:00:00 pm PDT
Coastal Flood Advisory
San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Coastal Flood Advisory issued October 31 at 4:45AM PDT until November 1 at 6:00PM PST by NWS San Francisco CA
* WHAT...Up to 1.5 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bayshore locations along the San Francisco Bay, San Pablo Bay, and Monterey Bay. * WHEN...Until 6 PM PDT Sunday. * 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. More substantial impacts are expected along bayshore Marin County where increased flooding is anticipated across low lying areas. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.5 feet above normal (7.3 ft MLLW) at 03:44 PM on Saturday 10/31 and 1.0 ft above normal (6.8 ft MLLW) on Sunday 11/01 at 3:59 PM. These predictions include up to 1.5 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.
Minor
Likely
Expected
October 31st, 2026 04:45:00 am PDT
October 31st, 2026 04:45:00 am PDT
October 31st, 2026 06:00:00 pm PDT
Beach Hazards Statement
Coastal Del Norte; Northern Coastal Humboldt; Southwestern Humboldt; Coastal Mendocino
Beach Hazards Statement issued October 30 at 10:05PM PDT until November 2 at 10:00PM PST by NWS Eureka CA
* WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Coastal Humboldt, Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...From Sunday evening through Monday evening. * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath.
Moderate
Likely
Expected
October 30th, 2026 10:05:00 pm PDT
October 30th, 2026 10:05:00 pm PDT
October 31st, 2026 11:00:00 pm PDT
SAFETY and DATA MESSAGE
When a severe thunderstorm warning is issued, the storm may produce damaging winds, large hail, dangerous lightning, and heavy rain. In some cases, heavy rainfall produced by a severe storm can also lead to flash flooding. Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.
Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Vista.
Use the Radar Maps link provided to understand the trajectory of a storm.
For more official information about severe storms and how to stay safe, visit the National Weather Service's Severe Thunderstorm Safety page. We encourage you to also monitor Excessive Rainfall Forecasts on their Weather Prediction Center website.