Disneyland Resort, California

Regional Weather Alerts


     

Alert: Special Weather Statement
Area(s): Greater Lake Tahoe Area; Mono; Mineral and Southern Lyon Counties; Greater Reno-Carson City-Minden Area; Western Nevada Basin and Range including Pyramid Lake; Northern Washoe County
Effective: 2026-08-12 @ 3:34 pm -> 2026-08-12 @ 5:15 pm
Onset: 2026-08-12 @ 3:34 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Reno NV on 2026-08-12 @ 3:34 pm
Headline: Special Weather Statement issued August 12 at 1:34PM PDT by NWS Reno NV
Description: At 125 PM PDT, strong thunderstorms continue to develop across the
eastern Sierra and western Nevada. These storms will increase in
coverage northward through the afternoon.

HAZARD...Wind gusts 40 to 50 mph, half inch size hail, heavy
rainfall with the potential for flash flooding, and blowing
dust downwind of dry sinks and playas.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible. Heavy rain may cause flash flooding, debris flows
and flooded roads. Blowing dust could lower visibility and
make travel dangerous.

Locations impacted include...
Reno, Carson City, Fallon, Mammoth Lakes, Chalfant, Crowley Lake,
Sonora Pass, Gardnerville, Virginia City, June Lake, Pyramid Lake,
Lee Vining, Twin Lakes, Lahontan Reservoir, Toms Place, Bodie,
Benton, Bridgeport, Mono Lake, and Coleville.

Alert: Coastal Flood Advisory
Area(s): Northern Coastal Humboldt
Effective: 2026-08-12 @ 3:31 pm -> 2026-08-13 @ 3:00 am
Onset: 2026-08-13 @ 1:00 am -> 2026-08-13 @ 3:00 am
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Eureka CA on 2026-08-12 @ 3:31 pm
Headline: Coastal Flood Advisory issued August 12 at 1:31PM PDT until August 13 at 1:00AM PDT by NWS Eureka CA
Description: * WHAT...High astronomical tides will cause minor flooding in low
lying areas around Humboldt Bay. Up to one half foot of
saltwater inundation above ground level is possible near
shorelines and tidal waterways. Between 8.6 and 8.8 feet MLLW
at the North Spit tide gauge is predicted.

* WHERE...Northern Coastal Humboldt County.

* WHEN...From 11 PM this evening to 1 AM PDT Thursday. High tide
is at 12:10 AM at the Humboldt Bay North Spit tide gauge.
Saltwater inundation will be possible 1 to 2 hours before and
after high tide.

* IMPACTS...Flooding of low lying areas around Humboldt Bay
including parks and roads with only isolated closures
expected. Flooding will likely impact Jackson Ranch Road in
the Arcata Bottoms and several roads in King Salmon.

Alert: Coastal Flood Advisory
Area(s): San Diego County Coastal Areas; Orange County Coastal
Effective: 2026-08-12 @ 3:24 pm -> 2026-08-13 @ 1:00 am
Onset: 2026-08-12 @ 3:24 pm -> 2026-08-13 @ 1:00 am
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS San Diego CA on 2026-08-12 @ 3:24 pm
Headline: Coastal Flood Advisory issued August 12 at 1:24PM PDT until August 12 at 11:00PM PDT by NWS San Diego CA
Description: * WHAT...Minor coastal flooding expected during the evening high
tides.

* WHERE...San Diego County Coastal Areas and Orange County
Coastal Areas.

* WHEN...Until 11 PM PDT this evening.

* IMPACTS...Flooding of low lying beach parking lots,
boardwalks, and roads.

* ADDITIONAL DETAILS...High tides of 6.9 to 7.2 feet between 9
and 10 pm this evening.

Alert: Special Weather Statement
Area(s): Santa Lucia Mountains and Los Padres National Forest; Southern Monterey Bay and Big Sur Coast
Effective: 2026-08-12 @ 3:18 pm -> 2026-08-12 @ 4:00 pm
Onset: 2026-08-12 @ 3:18 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS San Francisco CA on 2026-08-12 @ 3:18 pm
Headline: Special Weather Statement issued August 12 at 1:18PM PDT by NWS San Francisco CA
Description: At 118 PM PDT, Doppler radar was tracking a line of strong
thunderstorms extending from over Big Sur Village to near Esalen
Institute, or extending from over Big Sur Village to 11 miles
northwest of Lucia, moving northeast at 5 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.

Locations impacted include...
Big Sur Village, Partington Ridge, Julia Pfeiffer Burns State Park,
Esalen Institute, Pico Blanco Campground and Andrew Molera State
Park.

Alert: Fire Weather Watch
Area(s): Greater Lake Tahoe and Truckee Area
Effective: 2026-08-12 @ 2:22 pm -> 2026-08-13 @ 3:45 pm
Onset: 2026-08-13 @ 7:00 am -> 2026-08-13 @ 11:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Reno NV on 2026-08-12 @ 2:22 pm
Headline: Fire Weather Watch issued August 12 at 12:22PM PDT until August 13 at 9:00PM PDT by NWS Reno NV
Description: * CHANGES...None.

* Affected Area...Fire Weather Zone 272 Greater Lake Tahoe and
Truckee Area.

* Thunderstorms...Thunderstorm chances increase to 15 to 30
percent for Thursday leading to lightning strikes on dry fuels
especially early Thursday morning. Thunderstorms will produce
hail and periods of moderate to heavy rainfall Thursday
afternoon and evening.

* Outflow Winds...Up to 40 mph.

* Impacts...Lightning can create new fire starts and may combine
with strong outflow winds to cause a fire to rapidly grow in
size and intensity before first responders can contain them.

Alert: Red Flag Warning
Area(s): 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
Effective: 2026-08-12 @ 1:04 pm -> 2026-08-13 @ 7:00 pm
Onset: 2026-08-13 @ 7:00 am -> 2026-08-13 @ 11:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Sacramento CA on 2026-08-12 @ 1:04 pm
Headline: Red Flag Warning issued August 12 at 11:04AM PDT until August 13 at 9:00PM PDT by NWS Sacramento CA
Description: The National Weather Service in Sacramento has issued a Red Flag
Warning for thunderstorms and strong outflow winds, which is in
effect from 5 AM to 9 PM PDT Thursday. The Fire Weather Watch is
no longer in effect.

* Affected Area...Fire Zone 136 Sierra (El Dorado-Amador) Above
5000 ft and Fire Zone 139 Sierra (Cal-Tuo) Above 5000 ft.

* Thunderstorms...Isolated to scattered coverage of a mix of wet
and dry thunderstorms expected. Lightning strikes may also
occur outside of main precipitation cores.

* Outflow Winds...Gusty and erratic outflow winds could occur
near any thunderstorm development.

* Impacts...Lightning can create new fire starts and may combine
with strong outflow winds to cause a fire to rapidly grow in
size and intensity.

Alert: Flood Watch
Area(s): Mono; Mineral and Southern Lyon Counties
Effective: 2026-08-12 @ 10:19 am -> 2026-08-13 @ 1:15 pm
Onset: 2026-08-12 @ 4:00 pm -> 2026-08-13 @ 11:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Reno NV on 2026-08-12 @ 10:19 am
Headline: Flood Watch issued August 12 at 8:19AM PDT until August 13 at 9:00PM PDT by NWS Reno NV
Description: * WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of east central California, including the
following area, Mono County and western Nevada, including the
following area, Mineral and Southern Lyon Counties.

* WHEN...From 2 PM PDT this afternoon through Thursday evening.

* IMPACTS...Excessive runoff may result in rock, mud, and debris
flows in and near active fire perimeters, steep terrain, and poorly
drained urban areas.

* ADDITIONAL DETAILS...
- Heavy rain from thunderstorms primarily during the afteroon and
evening hours today and Thursday.
- http://www.weather.gov/safety/flood

Alert: Coastal Flood Advisory
Area(s): San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: 2026-08-12 @ 1:14 am -> 2026-08-13 @ 4:00 am
Onset: 2026-08-12 @ 1:14 am -> 2026-08-13 @ 4:00 am
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS San Francisco CA on 2026-08-12 @ 1:14 am
Headline: Coastal Flood Advisory issued August 11 at 11:14PM PDT until August 13 at 2:00AM PDT by NWS San Francisco CA
Description: * WHAT...Up to 1.4 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 2 AM PDT Thursday.

* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
is expected to be 1.4 ft above normal (7.24 ft MLLW) at 11:49
PM Wednesday 8/12. These predictions include both astronomical
tides and roughly 3-6 inches of additional water mainly from a
combination of thermal expansion and accumulated sea level rise
since the tidal datum was established (1983- 2001). High tide
varies up to 90 minutes earlier or later along the Pacific Coast
and through the San Francisco Bay, respectively.

Alert: Coastal Flood Advisory
Area(s): Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: 2026-08-11 @ 3:56 pm -> 2026-08-13 @ 2:00 am
Onset: 2026-08-11 @ 3:56 pm -> 2026-08-13 @ 2:00 am
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-08-11 @ 3:56 pm
Headline: Coastal Flood Advisory issued August 11 at 1:56PM PDT until August 13 at 12:00AM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...Minor coastal flooding expected during the evening high
tides.

* WHERE...Santa Barbara County Southwestern Coast, Santa Barbara
County Southeastern Coast, Ventura County Beaches, Malibu
Coast and Los Angeles County Beaches.

* WHEN...Until midnight PDT Wednesday night.

* IMPACTS...Flooding of sea water is likely, around the time of
high tide, over vulnerable low-lying coastal areas such as
parking lots, beaches, and walkways. Significant damage to
roads or structures is NOT expected.

* ADDITIONAL DETAILS...Coastal flooding concerns will peak each
evening between about 8 PM and 10 PM due to astronomical high
tides of 7.3 to 7.5 feet.