Events › 2026

Heavy Rainfall and Wind Associated with Lala

Aug 15–17, 2026 · WPC Storm Summaries · Ended

  • Hawaii

Tropical cyclone

Hurricane Lala (CP01) →

Track, advisories and model guidance

Summaries

4 summaries · 1 correction

First Aug 15, 07:51 PM UTC · latest Aug 17, 08:11 PM UTC

Source

NOAA Weather Prediction Center

Station values in WPC's text are preliminary

WPC outlooks as they stood at each summary

WPC's Excessive Rainfall Outlook and WSSI do not cover Hawaii, so there is no outlook to show for this event.

Storm summaries

  1. Summary #4 · final

    Aug 17, 08:11 PM UTC · corrects an earlier issuance

    Outer bands of Lala have moved west of the main Hawaiian Islands and continue moving away from the state

    Full text
    ACUS42 KWBC 172011
    SCCNS2
    
    Storm Summary Number 4 for Heavy Rainfall and Wind Associated with
    Lala
    NWS Weather Prediction Center College Park MD
    1100 AM HST Mon Aug 17 2026
    
    ...Outer bands of Lala have moved west of the main Hawaiian
    Islands and continue moving away from the state...
    
    For the latest tropical-related watches and warnings, please refer
    to nhc.noaa.gov.
    
    For a detailed graphical depiction of the latest watches, warnings
    and advisories, please see www.weather.gov
    
    At 1000 AM HST...Wind and rainfall associated with Lala have
    ended. Below are preliminary highest rainfall and strongest wind
    observations. For information regarding the location and track of
    Lala, please refer to www.nhc.noaa.gov.
    
    ...Selected preliminary Peak Wind gusts in miles per hour earlier
    in the event...
    
    ...HAWAII...
    MAUNA KEA SUMMIT                      140
    HAWAII 202602                          91
    KULA 5 SE                              88
    OLOWALU 1                              85
    KOHALA RANCH                           84
    KAWAIHAE 2 NNW                         83
    MOKOLELAU 1                            83
    ULUPALAKUA 6 WSW                       83
    KAUNAKAKAI 7 ESE                       82
    MECO UKEMEHAME  GULCH                  82
    PUULOA                                 80
    HULUALOA 7 NNE                         78
    KAWAIHAE 6 ESE                         78
    KONA                                   78
    LAHAINA 1 E                            77
    MAALAEA 2 WNW                          75
    MAUI 202603                            75
    WAIMALU 5 N                            74
    KAILUA KONA AIRPORT                    71
    KAWAIHAE                               70
    AINA HAINA 2 NNW                       69
    HELCO UPOLU AIRPORT ROAD               68
    MAALAEA                                68
    KAUPO                                  65
    UKUMEHAME BRACH PARK                   65
    
    ...Selected preliminary Storm Total Rainfall in inches where the
    event has ended...
    
    ...HAWAII...
    LAUPAHOEHOE                         43.55
    NAHUKU                              37.27
    NENE CABIN                          37.20
    HAKALAU                             35.31
    SILVER SWORD                        35.19
    KANAKALEONUI                        34.46
    HELCO MAHIAI ROAD                   29.72
    SADDLE ROAD QUERY NEAR HILO 14 WSW  29.35
    KAIHOLENA                           28.36
    GLENDWOOD 54.2                      27.17
    MAUNA LOA                           26.42
    WAIPUNALEI                          25.28
    WAIKAMOI                            24.16
    HELCO MAUNA KEA ACCESS ROAD         23.25
    KUIKI                               22.60
    NENE NEST                           20.63
    HILO INTERNATIONAL AIRPORT          14.21
    MOUNT WAIAEALE RAIN GAUGE           13.12
    LYON                                12.73
    MOHIHI CROSSING                      8.31
    LANAI CITY 0.6 ESE                   5.44
    HONOLULU 3.8 ESE                     5.35
    
    
    For the latest information on Lala, please refer to the National
    Hurricane Center at www.nhc.noaa.gov.
    
    This will be the last Storm Summary issued by the Weather
    Prediction Center for this event. Please refer to your local
    National Weather service office for additional information.
    
    Snell
    $$
    Superseded version, Aug 17, 08:49 AM UTC
    ACUS42 KWBC 170849
    SCCNS2
    
    Storm Summary Number 4 for Heavy Rainfall and Wind Associated with
    Lala
    NWS Weather Prediction Center College Park MD
    11:00 PM HST Sun Aug 16 2026
    
    ...Outer bands of Lala are bringing showers and breezy conditions
    to the Island Chain as the storm continues to trek westward out to
    sea...
    
    For the latest tropical-related watches and warnings, please refer
    to nhc.noaa.gov.
    
    For a detailed graphical depiction of the latest watches, warnings
    and advisories, please see www.weather.gov
    
    At 10:00 PM HST...Tropical cyclone Lala is currently moving
    westward south of the far western Hawaiian islands, according to
    the National Hurricane Center. National Weather Service Doppler
    Radar continues to show the far outer bands of Lala are bringing
    tropical showers along the upslope windward sides of the islands,
    as well as breezy winds. This is particularly true for the western
    islands of Kauai and Ni'hau that are closer to the circulation of
    Lala. Below are preliminary rainfall and wind observations
    associated with Lala. For information regarding the location and
    track of Lala, please refer to www.nhc.noaa.gov.
    
    ...Selected preliminary Storm Total Rainfall in inches from 2:00
    AM HST Fri Aug 14 through 10:00 PM HST Sun Aug 16...
    
    ...HAWAII...
    LAUPAHOEHOE                         43.54
    NENE CABIN                          37.17
    NAHUKU                              37.16
    HAKALAU                             35.31
    SILVER SWORD                        35.19
    KANAKALEONUI                        34.46
    HELCO MAHIAI ROAD                   29.61
    SADDLE ROAD QUERY NEAR HILO 14 WSW  29.28
    KAIHOLENA                           28.30
    GLENDWOOD 54.2                      26.78
    MAUNA LOA                           26.41
    WAIPUNALEI                          25.28
    WAIKAMOI                            24.16
    HELCO MAUNA KEA ACCESS ROAD         23.25
    NENE NEST                           20.63
    KUIKI                               17.60
    HILO INTERNATIONAL AIRPORT          13.77
    LYON                                10.55
    MOUNT WAIAEALE RAIN GAUGE            9.57
    MOHIHI CROSSING                      8.05
    NIU VALLEY NEAR HONOLULU             4.37
    LANAI CITY                           4.18
    
    ...Selected preliminary Peak Wind gusts in miles per hour earlier
    in the event...
    
    ...HAWAII...
    MAUNA KEA SUMMIT                      140
    HAWAII 202602                          91
    KULA 5 SE                              88
    OLOWALU 1                              85
    KOHALA RANCH                           84
    KAWAIHAE 2 NNW                         83
    MOKOLELAU 1                            83
    ULUPALAKUA 6 WSW                       83
    KAUNAKAKAI 7 ESE                       82
    MECO UKEMEHAME  GULCH                  82
    PUULOA                                 80
    HULUALOA 7 NNE                         78
    KAWAIHAE 6 ESE                         78
    KONA                                   78
    LAHAINA 1 E                            77
    MAALAEA 2 WNW                          75
    MAUI 202603                            75
    WAIMALU 5 N                            74
    KAILUA KONA AIRPORT                    71
    KAWAIHAE                               70
    AINA HAINA 2 NNW                       69
    HELCO UPOLU AIRPORT ROAD               68
    MAALAEA                                68
    KAUPO                                  65
    UKUMEHAME BRACH PARK                   65
    
    
    For the latest information on Lala, please refer to the National
    Hurricane Center at www.nhc.noaa.gov.
    
    The next Storm Summary will be issued by the Weather Prediction
    Center at 11:00 AM HST. Please refer to your local National
    Weather Service office for additional information on this event.
    
    Wilder
    $$
  2. Summary #3

    Aug 16, 08:20 PM UTC

    Bands of heavy rain and strong winds are impacting the Hawaiian Islands

    Full text
    ACUS42 KWBC 162020
    SCCNS2
    
    Storm Summary Number 3 for Heavy Rainfall and Wind Associated with
    Lala
    NWS Weather Prediction Center College Park MD
    1100 AM HST Sun Aug 16 2026
    
    ...Bands of heavy rain and strong winds are impacting the Hawaiian
    Islands...
    
    Flood Watches and Flood Advisories are in effect across Hawaii.
    
    For the latest tropical-related watches and warnings, please refer
    to nhc.noaa.gov.
    
    For a detailed graphical depiction of the latest watches, warnings
    and advisories, please see www.weather.gov
    
    At 1000 AM HST...Tropical cyclone Lala was passing just south of
    the Hawaiian Islands. National Weather Service Doppler Radar
    showed bands of heavy rain pushing across the islands, with the
    heaviest rainfall focused between Kauai and Maui. Rainfall was
    tapering off across the Big Island, with only a few lingering
    showers. Observations indicated strong gusty winds along the
    southern and eastern sides of the islands. Below are preliminary
    rainfall and wind observations associated with Lala. For
    information regarding the location and track of Lala, please refer
    to www.nhc.noaa.gov.
    
    ...Selected preliminary Storm Total Rainfall in inches from 200 AM
    HST Fri Aug 14 through 1000 AM HST Sun Aug 16...
    
    ...HAWAII...
    LAUPAHOEHOE                         42.69
    NAHUKU                              35.91
    SILVER SWORD                        34.51
    HAKALAU                             34.33
    KANAKALEANUI                        32.59
    SADDLE ROAD QUERY NEAR HILO 14 WSW  29.13
    HELCO MAHIAI ROAD                   28.51
    GLENDWOOD 54.2                      26.06
    MAUNA LOA                           25.32
    WAIPUNALEI                          24.54
    WAIKAMOI                            23.68
    HELCO MAUNA KEA ACCESS ROAD         23.21
    NENE NEST                           19.56
    KUIKI                               17.60
    LYON                                10.55
    HILO INTERNATIONAL AIRPORT           9.05
    
    ...Selected preliminary Peak Wind gusts in miles per hour earlier
    in the event...
    
    ...HAWAII...
    MAUNA KEA SUMMIT                      140
    HAWAII 202602                          91
    KULA 5 SE                              88
    OLOWALU 1                              85
    KOHALA RANCH                           84
    KAWAIHAE 2 NNW                         83
    MOKOLELAU 1                            83
    ULUPALAKUA 6 WSW                       83
    KAUNAKAKAI 7 ESE                       82
    MECO UKEMEHAME  GULCH                  82
    PUULOA                                 80
    HULUALOA 7 NNE                         78
    KAWAIHAE 6 ESE                         78
    KONA                                   78
    LAHAINA 1 E                            77
    MAALAEA 2 WNW                          75
    MAUI 202603                            75
    WAIMALU 5 N                            74
    KAILUA KONA AIRPORT                    71
    KAWAIHAE                               70
    AINA HAINA 2 NNW                       69
    HELCO UPOLU AIRPORT ROAD               68
    MAALAEA                                68
    KAUPO                                  65
    UKUMEHAME BRACH PARK                   65
    
    
    For the latest information on Lala, please refer to the National
    Hurricane Center at www.nhc.noaa.gov.
    
    The next Storm Summary will be issued by the Weather Prediction
    Center at 1100 PM HST. Please refer to your local National Weather
    Service office for additional information on this event.
    
    Dolan/Snell
    $$
  3. Summary #2

    Aug 16, 08:53 AM UTC

    Bands of heavy rain and strong winds are impacting the Big Island of Hawaii and beginning to shift westward across the island chain

    Full text
    ACUS42 KWBC 160853
    SCCNS2
    
    Storm Summary Number 2 for Heavy Rainfall and Wind Associated with
    Lala
    NWS Weather Prediction Center College Park MD
    11:00 PM HST Sat Aug 15 2026
    
    ...Bands of heavy rain and strong winds are impacting the Big
    Island of Hawaii and beginning to shift westward across the island
    chain...
    
    Flood Watches, Flood Advisories, and Flash Flood Warnings are in
    effect across Hawaii. For the latest tropical-related watches and
    warnings, please refer to nhc.noaa.gov.
    
    For a detailed graphical depiction of the latest watches, warnings
    and advisories, please see www.weather.gov
    
    At 10:00 PM HST...Hurricane Lala continues to move northwestward
    south of the Hawaiian island chain according to the latest
    National Hurricane Center update. Torrential rainfall,
    particularly on the windward side of higher terrain, and strong
    winds are occurring over the Big Island, Additionally, bands of
    heavy rainfall and strong winds are observed farther west in Maui
    and Moloka'i. Below are preliminary rainfall and wind observations
    associated with Lala. For information regarding the location and
    track of Lala, please refer to www.nhc.noaa.gov.
    
    ...Selected preliminary Storm Total Rainfall in inches from 2:00
    AM HST Fri Aug 14 through 10:00 PM HST Sat Aug 15...
    
    ...HAWAII...
    LAUPAHOEHOE                         33.31
    HAKALAU                             27.21
    SILVER SWORD                        26.74
    KANAKALEANUI                        26.62
    SADDLE ROAD QUERY NEAR HILO 14 WSW  24.91
    HELCO MAHIAI ROAD                   24.54
    WAIPUNALEI                          24.54
    HELCO MAUNA KEA ACCESS ROAD         20.77
    GLENDWOOD 54.2                      20.55
    WAIKAMOI                            19.39
    PIHANUA                             19.08
    MAUNA LOA                           18.41
    WAIP00                              16.48
    KEHENA                              15.26
    PIHONUA                             14.28
    HILO INTERNATIONAL AIRPORT           7.93
    
    ...Selected preliminary Peak Wind gusts in miles per hour earlier
    in the event...
    
    ...HAWAII...
    MAUNA KEA SUMMIT                      140
    HAWAII 202602                          91
    OLOWALU 1                              85
    KOHALA RANCH                           84
    KAWAIHAE 2 NNW                         83
    MOKOLELAU 1                            83
    ULUPALAKUA 6 WSW                       83
    KAUNAKAKAI 7 ESE                       82
    MECO UKEMEHAME  GULCH                  82
    KAWAIHAE 5 ENE                         81
    KULA 5 SE                              81
    PUULOA                                 80
    HULUALOA 7 NNE                         78
    KAWAIHAE 6 ESE                         78
    KONA                                   78
    LAHAINA 1 E                            77
    MAALAEA 2 WNW                          75
    MAUI 202603                            75
    OLAWALU 1 NNE                          74
    OLOWALU                                74
    WAIMALU 5 N                            74
    KAILUA KONA AIRPORT                    71
    KAWAIHAE                               70
    HELCO UPOLU AIRPORT ROAD               68
    MAALAEA                                68
    KAUPO                                  65
    UKUMEHAME BRACH PARK                   65
    
    
    For the latest information on Lala, please refer to the National
    Hurricane Center at www.nhc.noaa.gov.
    
    The next Storm Summary will be issued by the Weather Prediction
    Center at 11:00 AM HST. Please refer to your local National
    Weather Service office for additional information on this event.
    
    Wilder
    $$
  4. Summary #1

    Aug 15, 07:51 PM UTC

    Bands of heavy rain are impacting the Big Island of Hawaii

    Full text
    ACUS42 KWBC 151951
    SCCNS2
    
    Storm Summary Number 1 for Heavy Rainfall and Wind Associated with
    Lala
    NWS Weather Prediction Center College Park MD
    1100 AM HST Sat Aug 15 2026
    
    ...Bands of heavy rain are impacting the Big Island of Hawaii...
    
    Flood Advisories and Flood Watches are in effect across Hawaii.
    For the latest tropical-related watches and warnings, please refer
    to nhc.noaa.gov.
    
    For a detailed graphical depiction of the latest watches, warnings
    and advisories, please see www.weather.gov
    
    At 1000 AM HST...heavy rain and gusty winds were occurring over
    portions of the Big Island, with strong gusty winds and showers
    over some of the smaller islands and at higher elevations. Below
    are preliminary rainfall and wind observations associated with
    Lala. For information regarding the location and track of Lala,
    please refer to www.nhc.noaa.gov.
    
    ...Selected preliminary Storm Total Rainfall in inches from 200 AM
    HST Fri Aug 14 through 1000 AM HST Sat Aug 15...
    
    ...HAWAII...
    WAIPOO                              13.29 4531FT
    LAUPAHOEHOE                         13.16 3776FT
    KEHENA                              11.92 3799FT
    MAUNA LOA                            3.68 5520FT
    HILO INTL AIRPORT                    2.01
    
    ...Selected preliminary Peak Wind gusts in miles per hour earlier
    in the event...
    
    ...HAWAII...
    OLOWALU                                74
    KAWAIHAE                               70
    MAALAEA                                68
    KAUPO                                  65
    UKUMEHAME BRACH PARK                   65
    
    
    For the latest information on Lala, please refer to the National
    Hurricane Center at www.nhc.noaa.gov.
    
    The next Storm Summary will be issued by the Weather Prediction
    Center at 1100 PM HST. Please refer to your local National Weather
    Service office for additional information on this event.
    
    Fracasso
    $$

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By the states WPC's summaries list. Each office page has its active alerts and latest Area Forecast Discussion.

Text: NOAA/NWS Weather Prediction Center Storm Summaries, shown verbatim. Grouping the summaries into one event, the outlook copies and the links are Stormlio's; WPC issues no event id. Station values are preliminary; the official record is NCEI Storm Data.