364
WWUS76 KEKA 161858
NPWEKA
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
1158 AM PDT TUE JUN 16 2026
CAZ102-170500-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-260617T0500Z/
INTERIOR DEL NORTE-
INCLUDING GASQUET
1158 AM PDT TUE JUN 16 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
* WHAT...HIGH TEMPERATURES OF 97 TO 100 FOR THE WARMER INTERIOR
VALLEYS. MODERATE TO MAJOR HEATRISK EXPECTED
* WHERE...INTERIOR DEL NORTE.
* WHEN...UNTIL 10 PM PDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES ESPECIALLY FOR
THOSE WITHOUT COOLING OR HYDRATION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
CAZ105-170500-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-260617T0500Z/
NORTHEASTERN INTERIOR HUMBOLDT-
INCLUDING WILLOW CREEK, ORLEANS, WEITCHPEC, AND HOOPA
1158 AM PDT TUE JUN 16 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
* WHAT...HIGH TEMPERATURES OF 99 TO 110 FOR THE INTERIOR VALLEYS.
MODERATE TO MAJOR HEATRISK EXPECTED.
* WHERE...NORTHEASTERN INTERIOR HUMBOLDT.
* WHEN...UNTIL 10 PM PDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES ESPECIALLY FOR
THOSE WITHOUT COOLING OR HYDRATION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
CAZ108-170500-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-260617T0500Z/
SOUTHERN TRINITY-
INCLUDING HAYFORK, HYAMPOM, ZENIA, PEANUT, FOREST GLEN, AND RUTH
1158 AM PDT TUE JUN 16 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
* WHAT...HIGH TEMPERATURES OF 99 TO 102 FOR MOST VALLEYS. MODERATE TO
MAJOR HEATRISK EXPECTED.
* WHERE...SOUTHERN TRINITY.
* WHEN...UNTIL 10 PM PDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES ESPECIALLY FOR
THOSE WITHOUT COOLING OR HYDRATION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
CAZ111-170500-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-260617T0500Z/
NORTHEASTERN INTERIOR MENDOCINO-
INCLUDING COVELO
1158 AM PDT TUE JUN 16 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
* WHAT...HIGH TEMPERATURES OF 99 TO 102. MODERATE TO MAJOR HEATRISK
EXPECTED.
* WHERE...NORTHEASTERN INTERIOR MENDOCINO.
* WHEN...UNTIL 10 PM PDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES ESPECIALLY FOR
THOSE WITHOUT COOLING OR HYDRATION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
CAZ114-170500-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-260617T0500Z/
NORTHERN LAKE-
INCLUDING GRAVELLY VALLEY AIRPORT
1158 AM PDT TUE JUN 16 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
* WHAT...HIGH TEMPERATURES OF 98 TO 104 FOR MOST VALLEYS. MODERATE TO
MAJOR HEATRISK EXPECTED.
* WHERE...NORTHERN LAKE.
* WHEN...UNTIL 10 PM PDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES ESPECIALLY FOR
THOSE WITHOUT COOLING OR HYDRATION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
CAZ116-170500-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-260617T0500Z/
NORTHWESTERN AND CENTRAL TRINITY-
INCLUDING WEAVERVILLE, DOUGLAS CITY, BIG BAR, HELENA, JUNCTION CITY,
AND DEL LOMA
1158 AM PDT TUE JUN 16 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
* WHAT...HIGH TEMPERATURES OF 100 TO 112. MODERATE TO MAJOR HEATRISK
EXPECTED.
* WHERE...NORTHWESTERN AND CENTRAL TRINITY.
* WHEN...UNTIL 10 PM PDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES ESPECIALLY FOR
THOSE WITHOUT COOLING OR HYDRATION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
CAZ117-170500-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-260617T0500Z/
NORTHEASTERN TRINITY-
INCLUDING CARRVILLE AND TRINITY CENTER
1158 AM PDT TUE JUN 16 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
* WHAT...HIGH TEMPERATURES OF 99 TO 105 FOR MOST VALLEYS. MODERATE TO
MAJOR HEATRISK EXPECTED.
* WHERE...NORTHEASTERN TRINITY.
* WHEN...UNTIL 10 PM PDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES ESPECIALLY FOR
THOSE WITHOUT COOLING OR HYDRATION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
FOR HAZARD AREAS SEE HTTPS://WWW.WEATHER.GOV/WRH/HAZARDS/?WFO=EKA
JHW
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