SGX issues Record Event Report (RER) at Mar 18, 12:30 AM PDT ...HIGHEST MONTHLY MAXIMUM TEMPERATURE RECORDS FOR MARCH BROKEN OR TIED ON MAR 17 2026 ...

https://mesonet.agron.iastate.edu/p.php?pid=202603180730-KSGX-SXUS76-RERSGX

#cawx #wx

SGX issues Record Event Report (RER) at Mar 17, 11:59 PM PDT ...HIGHEST MAXIMUM TEMPERATURE RECORDS BROKEN OR TIED ON MAR 17 2026 ...

https://mesonet.agron.iastate.edu/p.php?pid=202603180659-KSGX-SXUS76-RERSGX

#cawx #wx

IEM :: RER from NWS SGX

RER issued by NWS SGX at 18 Mar 2026 06:59 UTC

#MTR #CAwx 068
SXUS76 KMTR 180640
RERMTR

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1140 PM PDT TUE MAR 17 2026

CORRECTION

...MONTHLY RECORD HIGH TEMPERATURE TUESDAY, MARCH 17, 2026...

LOCATION HIGH TEMPERATURE PREVIOUS RECORD
-----------------------------------------------------------------

REDWOOD CITY 93 90 ON 3/16/2026
OAKLAND MUSEUM 89 88 ON 3/11/2005
SAN F https://mesonet.agron.iastate.edu/p.php?pid=202603180640-KMTR-SXUS76-RERMTR

IEM :: RER from NWS MTR

RER issued by NWS MTR at 18 Mar 2026 06:40 UTC

#MTR #CAwx 692
SXUS76 KMTR 180638
RERMTR
CAZ006-502>506-508>510-512>518-528>530-181300-

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1138 PM PDT TUE MAR 17 2026

CORRECTION #2

...RECORD HIGH TEMPERATURES TUESDAY, MARCH 17, 2026...

LOCATION HIGH TEMPERATURE PREVIOUS RECORD
-----------------------------------------------------------------
SANTA ROSA 90 87 IN 1996
SAN RAFAEL https://mesonet.agron.iastate.edu/p.php?pid=202603180638-KMTR-SXUS76-RERMTR

IEM :: RER from NWS MTR

RER issued by NWS MTR at 18 Mar 2026 06:38 UTC

LAX at 10:53 PM

🌑️ 72.0 F
🌫️ 54.0 F dew point
🌬️ Calm
πŸ”­ 10 miles visibility
☁️ Clear
⏱️ 1014.2 mb air pressure

#CAwx

SGX cancels Beach Hazard Statement for Orange County Coastal, San Diego County Coastal Areas [CA]

https://mesonet.agron.iastate.edu/vtec/f/2026-O-CAN-KSGX-BH-S-0003_2026-03-18T06:21Z

#cawx #wx

KSGX Beach Hazard Statement #3

San Diego County Coastal Areas, Orange County Coastal

Iowa Environmental Mesonet

#MTR #CAwx 093
WWUS76 KMTR 180521
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
1021 PM PDT Tue Mar 17 2026

CAZ006-502>506-508>510-512>518-528>530-182200-
/O.CON.KMTR.HT.Y.0001.000000T0000Z-260321T0300Z/
San Francisco-Marin Coastal Range-Sonoma Coastal Range-North Bay
Interior Mountains-Coastal North Bay Including Point Reyes
National Seashore-North Bay Interior Valleys-San Francisco Bay
Shoreline-San Francisco Peninsula Coast-East Bay Int https://mesonet.agron.iastate.edu/vtec/f/2026-O-CON-KMTR-HT-Y-0001_2026-03-18T05:21Z

KMTR Heat Advisory #1

Eastern Santa Clara Hills, Sonoma Coastal Range, Northern Salinas Valley/Hollister Valley and Carmel Valley, Northern Monterey Bay, San Francisco Bay Shoreline, San Francisco Peninsula Coast, East Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose, East Bay Hills, Southern Salinas Valley/Arroyo Seco and Lake San Antonio, North Bay Interior Valleys, Santa Lucia Mountains and Los Padres National Forest, Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park, North Bay Interior Mountains, Coastal North Bay Including Point Reyes National Seashore, Southern Monterey Bay and Big Sur Coast, San Francisco, Marin Coastal Range

Iowa Environmental Mesonet

#MTR #CAwx 220
SXUS76 KMTR 180516
RERMTR
CAZ006-502>506-508>510-512>518-528>530-181300-

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1015 PM PDT TUE MAR 17 2026

CORRECTION

...RECORD HIGH TEMPERATURES TUESDAY, MARCH 17, 2026...

LOCATION HIGH TEMPERATURE PREVIOUS RECORD
-----------------------------------------------------------------
SANTA ROSA 90 87 IN 1996
SAN RAFAEL 87 https://mesonet.agron.iastate.edu/p.php?pid=202603180515-KMTR-SXUS76-RERMTR

IEM :: RER from NWS MTR

RER issued by NWS MTR at 18 Mar 2026 05:15 UTC

#MTR #CAwx 755
SXUS76 KMTR 180510
RERMTR

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1010 PM PDT TUE MAR 17 2026

...MONTHLY RECORD HIGH TEMPERATURE TUESDAY, MARCH 17, 2026...

LOCATION HIGH TEMPERATURE PREVIOUS RECORD
-----------------------------------------------------------------

REDWOOD CITY 93 90 ON 3/16/2026
OAKLAND MUSEUM 89 88 ON 3/11/2005
SALINAS AIRPORT https://mesonet.agron.iastate.edu/p.php?pid=202603180510-KMTR-SXUS76-RERMTR

IEM :: RER from NWS MTR

RER issued by NWS MTR at 18 Mar 2026 05:10 UTC

#MTR #CAwx 482
SXUS76 KMTR 180507
RERMTR
CAZ006-502>506-508>510-512>518-528>530-181300-

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1005 PM PDT TUE MAR 17 2026

CORRECTION

...RECORD HIGH TEMPERATURES TUESDAY, MARCH 17, 2026...

LOCATION HIGH TEMPERATURE PREVIOUS RECORD
-----------------------------------------------------------------
SANTA ROSA 90 87 IN 1996
SAN RAFAEL 87* https://mesonet.agron.iastate.edu/p.php?pid=202603180505-KMTR-SXUS76-RERMTR

IEM :: RER from NWS MTR

RER issued by NWS MTR at 18 Mar 2026 05:05 UTC