Skip to content
San Francisco Bay Area SKYWARN®

San Francisco Bay Area SKYWARN®

SFO SKYWARN®

  • Home
  • Alerts
  • Resources
  • Activations
  • Reporting Criteria
  • Ham Radio
  • BlueSky App
  • About Us

Major rain event later today through tomorrow

January 21, 2024 admin

Coastal Flood Advisory in effect from January 20, 06:31 PM PST until January 22, 11:00 AM PST

Current Wind Conditions

Recent Posts

  • Rain across the region Monday through Wednesday | Isolated to scattered thunderstorms TuesdayApril 19, 2026
  • Increasing Areas of Moderate HeatRisk Sunday through next TuesdayMarch 10, 2026
  • Widespread Rainfall Through the Overnight Hours, Light Rainfall Wednesday MorningFebruary 24, 2026
  • Widespread Rainfall Returns TonightFebruary 23, 2026
  • Somewhat Unsettled Weather Through WednesdayFebruary 22, 2026
  • Cold Conditions This Morning | Unsettled Weather Returns Next WeekFebruary 21, 2026
  • Cold Conditions Overnight | Unsettled Weather Returns This WeekendFebruary 20, 2026
  • Storms Chances Today | Near Record Lows Friday | High SurfFebruary 19, 2026
  • Parade of Storms Continues | Cold Mornings Inland Today, Thursday, Near Record Lows Friday | High Surf Today and ThursdayFebruary 18, 2026
  • Parade of Storms ContinuesFebruary 17, 2026
  • Storm Arrives TodayFebruary 15, 2026
  • Unsettled Weather Returns Tonight and Continues Into Next WeekFebruary 14, 2026
  • Hazardous Beach Conditions thru Saturday, Unsettled Weather Returns This Weekend into Next WeekFebruary 13, 2026
  • Soaking rains across the region, strong south winds across the Central Coast | General risk of thunderstorms arrives this afternoonFebruary 10, 2026
  • Minor Coastal Flooding Through Sunday, Hazardous Beach Conditions Through MondayJanuary 29, 2026
  • Dry Rest of Today, Beach Hazards Through Monday, Minor Coastal Flooding Friday Through SundayJanuary 28, 2026
  • Chances for rain tonight, Beach hazards Wednesday night through Friday morning, Minor coastal flooding possibleJanuary 27, 2026
  • Chances for rain this week, Beach hazards Wednesday and ThursdayJanuary 26, 2026
  • Cold Overnight Conditions Tonight and Friday Night, Hazardous Beach Conditions Through Friday and Again Next WeekJanuary 8, 2026
  • Cold Overnight Conditions Return Tonight, Hazardous Beach Conditions Return ThursdayJanuary 7, 2026
  • Rain and Coastal Flooding Today, Beach Hazards Thursday Through Friday, Cold Mornings Returns FridayJanuary 5, 2026
  • Tidal Flooding, Rain, and Thunderstorms through Monday; Beach Hazards TodayJanuary 4, 2026
  • Tidal Flooding, Strong Wind, Rain, Thunderstorms, and Beach Hazards Continue Through SundayJanuary 3, 2026
  • Tidal Flooding, Strong Wind, Rain, ThunderstormsJanuary 2, 2026
  • Tidal Flooding, Strong Wind, Rain, ThunderstormsJanuary 1, 2026
  • Tidal Flooding Risk Increased, Daily Rain, Strong Wind FridayDecember 31, 2025
  • Cold Morning, King Tides and Rain Return Wednesday, Rain continues into next weekDecember 30, 2025
  • Cold Overnight Conditions, King Tides and Rain Returns WednesdayDecember 29, 2025
  • Colder overnight lows through early next week, King Tides Return, Rain arrives for the New YearDecember 27, 2025
  • Strong Winds, Heavy Rain, and Thunderstorm Risks Continue through FridayDecember 25, 2025
  • Strong Winds, Heavy Rain, and Thunderstorm Risks Across the Bay Area and Central Coast through FridayDecember 24, 2025
  • Heavy Rain, Strong Winds, and Thunderstorm Risks Across the Bay Area and Central Coast Today through ThursdayDecember 23, 2025
  • Heavy Rain and Strong Winds Across the Bay Area and Central Coast Tuesday through ThursdayDecember 22, 2025
  • Heavy Rain Across the Bay Area TodayDecember 21, 2025
  • Heavy rain and periods of strong wind this weekDecember 20, 2025
  • Beneficial Rain Friday, Storm Door Opens Saturday, Atmospheric River Expected for the Holiday WeekDecember 18, 2025
  • Periodic Rain Chances through Saturday, Increasing Confidence for Atmospheric River Conditions for the Holiday WeekDecember 17, 2025
  • Hazardous Beach Conditions Continue through Tonight; Light Rain Returns Next WeekDecember 13, 2025
  • Skywarn Recognition Day — WX6MTR will be on the airDecember 5, 2025
  • Cold Weather Advisories Remain in Effect; Coastal Flooding through Sunday; Beach Hazards Next WeekDecember 5, 2025
  • Beach Hazards through the weekend; High Surf Early Next Week; King Tide flooding Early DecemberNovember 28, 2025
  • Beach Hazards and more rain on the wayNovember 19, 2025
  • Storm Clearing; Cooler Weather Ahead; High Surf and Lighter Rain Late WeekNovember 17, 2025
  • Widespread Rain Tonight into Monday Morning; Cooler Temperatures Next WeekNovember 16, 2025
  • Rain and Cool Weather Continues into Next WeekNovember 15, 2025
  • Unsettled and Unseasonably Cool Weather thru Most of Next WeekNovember 14, 2025
  • Atmospheric River Brings Strong Winds and Rain TodayNovember 13, 2025
  • Atmospheric River Brings Strong Winds and Rain Tonight through ThursdayNovember 12, 2025
  • Atmospheric River bringing Strong Winds and Rain Wednesday and ThursdayNovember 11, 2025
  • Atmospheric River Arriving Late WednesdayNovember 10, 2025
  • Rain returns starting WednesdayNovember 9, 2025
  • Strong Wind, Rain, and a Chance for Thunderstorms Today; Hazardous Beach Conditions Thursday; Tidally Influenced Coastal Flooding Through SaturdayNovember 5, 2025
  • Strong winds, rain, isolated t-storms tonight thru Wed morning; tidally influenced coastal floodingNovember 4, 2025
  • Wind and rain expected Tues night through Thurs; possibility of T-storms WedNovember 4, 2025
  • Hazardous Beach Conditions Through Monday; Increased rain and wind chances by mid-week along with tidal impactsNovember 1, 2025
  • Potential rainfall next weekOctober 31, 2025
  • Hazardous Beach Conditions this weekend; Beneficial rainfall and wind gusts of over 30 mph early SundayOctober 25, 2025
  • Rain chances return FridayOctober 20, 2025
  • Tuesday Thunderstorm PotentialOctober 14, 2025
  • Flood Advisories are out for much of the Bay AreaOctober 13, 2025
  • Notable rainstorm Mon thru Tues nightOctober 12, 2025
  • Marginal Risk for excessive rainfall next Monday and TuesdayOctober 11, 2025
  • Impactful rain expected Mon-WedOctober 10, 2025
  • Rain expected early next weekOctober 9, 2025
  • Chance of T-Storms in Central Coast this afternoon and eveningOctober 2, 2025
  • Periods of light to moderate rain expected through the dayOctober 1, 2025
  • Next cold front will bring light rain tonight into WednesdaySeptember 30, 2025
  • Light rain expected Mon thru Wed; possibility of T-storms in North Bay Mon nightSeptember 29, 2025
  • Chances for rain & thunderstorms increase thru the morning, then slowly wind down in the afternoon and evening. Drier weather returns Thursday morning.September 24, 2025
  • Chance of T-storms in Bay Area todaySeptember 24, 2025
  • Warm thru Tues; Showers and isolated T-storms late Tues into WedSeptember 22, 2025
  • Hot and dry conditions from Mon-Wed will be followed by a chance for dry lightning Thu-FriSeptember 15, 2025
  • Possibility of afternoon T-Storms today, esp in North BaySeptember 11, 2025
  • Chance of T-Storms this afternoon and evening in Napa and Sonoma CountiesSeptember 10, 2025
  • Light rain expected Tues thru Thurs, possibility of T-storms, esp in North BaySeptember 9, 2025
  • Dry thunderstorms rolled through the Central Valley and portions of the East Bay this morningSeptember 2, 2025
  • Hot and dry through MondayAugust 31, 2025
  • Heat Advisory in effectAugust 21, 2025
  • Tsunami Advisory has been Cancelled for the Bay Area and Central CoastJuly 30, 2025
  • Tsunami Advisory remains in effect until further noticeJuly 30, 2025
  • Stay away from the coast and bay shoreJuly 29, 2025
  • Tsunami Advisory in effect for CA coast — ETA is 12:15 AM on July 30 at Monterey and 12:40 AM on July 30 at San FranciscoJuly 29, 2025
  • Late July 2025 Seasonal OutlookJuly 24, 2025
  • Independence Day ForecastJuly 4, 2025
  • Coastal Flood AdvisoryJune 23, 2025
  • Fire weather concerns continue for parts of Bay Area through Sunday morningJune 21, 2025
  • Near-critical fire weather conditions across portions of CA today through SaturdayJune 19, 2025
  • Near-critical fire weather threat Thurs thru the weekendJune 18, 2025
  • Hazardous surf conditions possible on MondayJune 8, 2025
  • Isolated showers, possible Tstorms this morning in southern Monterey and San Benito countiesJune 3, 2025
  • Moderate heat risk continues into SaturdayMay 31, 2025
  • Heat advisory for Friday, May 30May 27, 2025
  • Tioga Pass reopens on May 26May 25, 2025
  • Pleasant weather this Memorial Day weekendMay 24, 2025
  • Elevated fire danger through ThursdayMay 21, 2025
  • Heat risk and fire danger this weekMay 19, 2025
  • Scattered showers today through tomorrowMarch 31, 2025
  • Possible light storm early Thurs through Fri morningMarch 24, 2025
  • Quick storm and light rain Wed night into ThursMarch 17, 2025
  • Convective phase of the storm todayMarch 17, 2025
Powered by WordPress and Courage.
PHP Code Snippets Powered By : XYZScripts.com