Zone Forecast Product
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
566
FPUS56 KEKA 160837
ZFPEKA
Zone Forecast Product for California
National Weather Service Eureka CA
136 AM PDT Sun Aug 16 2026
This is an average forecast over a large and geographically diverse
area. For a specific forecast for your location...please refer to
the point and click forecast on our webpage at:
www.weather.gov/eureka.
Spot temperatures and probabilities of measurable precipitation
are for today, tonight, and Monday.
CAZ101-170200-
Coastal Del Norte-
Including the cities of Ft Dick, Crescent City, and Smith River
136 AM PDT Sun Aug 16 2026
.TODAY...Mostly cloudy. Areas of fog in the morning. Highs 65 to
78. Light winds becoming west around 5 mph in the afternoon.
.TONIGHT...Mostly cloudy. Patchy fog. Lows 49 to 59. Southwest
wind around 5 mph shifting to the northwest overnight.
.MONDAY...Mostly cloudy. Patchy fog in the morning. Highs 61 to
71. Southwest wind around 5 mph.
.MONDAY NIGHT...Mostly cloudy. Areas of fog. Lows 47 to 57.
Northwest wind around 5 mph.
.TUESDAY...Mostly cloudy. Areas of fog. Highs 63 to 75. Northwest
wind around 5 mph.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Patchy fog. Lows 47 to 57.
.WEDNESDAY...Mostly cloudy. Areas of fog. Highs 62 to 73.
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Patchy fog. Lows 47 to 57.
.THURSDAY THROUGH SATURDAY...Mostly cloudy. Areas of fog. Highs
59 to 71. Lows 46 to 56.
&&
TEMPERATURE / PRECIPITATION
Crescent City 65 53 61 / 0 0 0
Klamath 69 55 65 / 0 0 0
$$
CAZ102-170200-
Interior Del Norte-
Including the city of Gasquet
136 AM PDT Sun Aug 16 2026
.TODAY...Mostly sunny until early afternoon then becoming mostly
cloudy. Highs 74 to 88.
.TONIGHT...Mostly cloudy. Lows 55 to 65.
.MONDAY...Mostly cloudy. Highs 70 to 85.
.MONDAY NIGHT...Partly cloudy. Areas of valley fog. Lows 53 to
63.
.TUESDAY...Mostly sunny. Highs 74 to 89.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 52 to 62.
Highs 74 to 89.
.WEDNESDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Patchy
valley fog. Lows 49 to 59. Highs 72 to 87.
.SATURDAY...Mostly sunny. Highs 67 to 82.
&&
TEMPERATURE / PRECIPITATION
Gasquet 88 55 83 / 0 0 0
$$
CAZ103-170200-
Northern Coastal Humboldt-
Including the cities of Eureka, Samoa, Arcata, Arcata Arpt,
Fieldbrook, Fernbridge, and Fortuna
136 AM PDT Sun Aug 16 2026
.TODAY...Mostly cloudy. Patchy fog in the morning. Highs 65 to
80. Northwest wind around 10 mph.
.TONIGHT...Mostly cloudy. Patchy fog. Lows 49 to 59. West wind
around 10 mph.
.MONDAY...Mostly cloudy. Patchy fog in the morning. Highs 61 to
76. West wind around 10 mph.
.MONDAY NIGHT...Mostly cloudy. Patchy fog. Lows 48 to 58.
Northwest wind around 10 mph.
.TUESDAY...Mostly cloudy. Areas of fog. Highs 61 to 75. Northwest
wind around 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Patchy fog. Lows 48 to 58.
.WEDNESDAY...Mostly cloudy. Areas of fog. Highs 60 to 74.
.WEDNESDAY NIGHT THROUGH SATURDAY...Mostly cloudy. Patchy fog.
Lows 48 to 58. Highs 60 to 74.
&&
TEMPERATURE / PRECIPITATION
McKinleyville 66 53 62 / 0 0 0
Arcata 69 55 65 / 0 0 0
Eureka 65 54 62 / 0 0 0
Fortuna 71 55 67 / 0 0 0
$$
CAZ104-170200-
Southwestern Humboldt-
Including the cities of Honeydew, Petrolia, Briceland,
Ettersburg, Shelter Cove, and Whitethorn
136 AM PDT Sun Aug 16 2026
.TODAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 74 to 89. North wind around 10 mph shifting to the
west in the afternoon.
.TONIGHT...Mostly cloudy. Lows 53 to 63. North wind up to 10 mph.
.MONDAY...Mostly cloudy in the morning then clearing. Highs 70 to
85. Northwest wind around 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows 50 to 60. North wind around
10 mph.
.TUESDAY...Partly cloudy. Highs 76 to 91. North wind around
10 mph.
.TUESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows 51 to
61. Highs 76 to 91.
.FRIDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 69 to 84.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 49 to 59. Highs
71 to 86.
&&
TEMPERATURE / PRECIPITATION
Honeydew 79 54 79 / 0 0 0
$$
CAZ105-170200-
Northeastern Interior Humboldt-
Including the cities of Hoopa, Orleans, Weitchpec,
and Willow Creek
136 AM PDT Sun Aug 16 2026
.TODAY...Partly cloudy until early afternoon then becoming mostly
cloudy. Patchy valley fog in the morning. Patchy smoke through
the day. Highs 79 to 94.
.TONIGHT...Mostly cloudy. Areas of smoke in the evening. Patchy
smoke overnight. Lows 54 to 64.
.MONDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy smoke. Highs 80 to 95.
.MONDAY NIGHT...Partly cloudy. Lows 52 to 62.
.TUESDAY...Mostly sunny. Highs 86 to 101.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 51 to 61.
Highs 86 to 101.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Patchy
valley fog. Lows 50 to 60. Highs 82 to 97.
.FRIDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy valley fog. Highs 77 to 92.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Patchy valley fog.
Lows 47 to 57. Highs 78 to 93.
&&
TEMPERATURE / PRECIPITATION
Orleans 88 58 92 / 0 0 0
Hoopa 89 58 91 / 0 0 0
Willow Creek 89 58 94 / 0 0 0
$$
CAZ106-170200-
Southeastern Interior Humboldt-
Including the cities of Bull Creek, Pepperwood, Shively,
Dinsmore, Bridgeville, Alderpoint, and Benbow
136 AM PDT Sun Aug 16 2026
.TODAY...Partly cloudy until early afternoon then becoming mostly
cloudy. Patchy valley fog in the morning. Highs 76 to 91.
.TONIGHT...Mostly cloudy. Patchy smoke overnight. Lows 54 to 64.
.MONDAY...Mostly cloudy in the morning then becoming mostly
sunny. Highs 73 to 88.
.MONDAY NIGHT...Partly cloudy. Lows 51 to 61.
.TUESDAY...Partly cloudy. Highs 79 to 94.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows
49 to 59. Highs 79 to 94.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Patchy valley fog.
Highs 73 to 88. Lows 48 to 58.
.FRIDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy valley fog. Highs 71 to 86.
.FRIDAY NIGHT...Partly cloudy. Patchy valley fog. Lows 46 to 56.
.SATURDAY...Partly cloudy in the morning then clearing. Highs
72 to 87.
&&
TEMPERATURE / PRECIPITATION
Garberville 90 55 85 / 0 0 0
$$
CAZ108-170200-
Southern Trinity-
Including the cities of Forest Glen, Hayfork, Hyampom, Peanut,
Ruth, and Zenia
136 AM PDT Sun Aug 16 2026
.TODAY...Mostly sunny until early afternoon then becoming mostly
cloudy. Highs 78 to 90.
.TONIGHT...Mostly cloudy. Patchy smoke overnight. Lows 52 to 62.
.MONDAY...Mostly cloudy in the morning then clearing. Patchy
smoke in the morning. Highs 77 to 92.
.MONDAY NIGHT...Partly cloudy. Lows 51 to 61.
.TUESDAY...Mostly sunny. Highs 82 to 97.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 52 to 62.
Highs 82 to 97.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 51 to 61.
Highs 81 to 96.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 49 to 59. Highs
80 to 95.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 46 to 56. Highs
77 to 92.
&&
TEMPERATURE / PRECIPITATION
Hayfork 90 50 91 / 0 0 0
Ruth 83 49 86 / 0 0 0
$$
CAZ109-170200-
Coastal Mendocino-
Including the cities of Fort Bragg and Rockport
136 AM PDT Sun Aug 16 2026
.TODAY...Mostly cloudy. Patchy fog in the morning. Highs 67 to
82. West wind around 10 mph.
.TONIGHT...Mostly cloudy. Patchy fog. Lows 48 to 58. West wind
around 5 mph.
.MONDAY...Mostly cloudy in the morning then clearing. Patchy fog
in the morning. Highs 62 to 77. Southwest wind around 10 mph.
.MONDAY NIGHT...Mostly cloudy. Patchy fog. Lows 46 to 56.
Northwest wind around 10 mph.
.TUESDAY...Mostly cloudy. Patchy fog. Highs 70 to 85. Northwest
wind around 10 mph.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Patchy fog. Lows
47 to 57. Highs 70 to 85.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Areas of fog. Lows 46 to 56.
.FRIDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog. Highs 63 to 78.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Patchy fog. Lows
46 to 56. Highs 67 to 82.
&&
TEMPERATURE / PRECIPITATION
Fort Bragg 68 51 62 / 0 0 0
Point Arena 63 51 57 / 0 0 0
$$
CAZ110-170200-
Northwestern Interior Mendocino-
Including the cities of Potter Valley and Willits
136 AM PDT Sun Aug 16 2026
.TODAY...Mostly sunny until early afternoon then becoming mostly
cloudy. Highs 80 to 92.
.TONIGHT...Mostly cloudy. Lows 53 to 63.
.MONDAY...Mostly cloudy in the morning then clearing. Highs 78 to
93.
.MONDAY NIGHT...Partly cloudy. Lows 51 to 61.
.TUESDAY...Partly cloudy. Highs 85 to 100.
.TUESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows 50 to
60. Highs 85 to 100.
.FRIDAY...Partly cloudy. Patchy valley fog. Highs 76 to 91.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 47 to 57. Highs
77 to 92.
&&
TEMPERATURE / PRECIPITATION
Leggett 79 55 79 / 0 0 0
Laytonville 86 56 85 / 0 0 0
Willits 86 53 80 / 0 0 0
$$
CAZ111-170200-
Northeastern Interior Mendocino-
Including the city of Covelo
136 AM PDT Sun Aug 16 2026
.TODAY...Mostly sunny until early afternoon then becoming mostly
cloudy. Highs 78 to 93.
.TONIGHT...Mostly cloudy. Lows 54 to 64.
.MONDAY...Mostly cloudy in the morning then clearing. Highs 80 to
95.
.MONDAY NIGHT...Partly cloudy. Lows 53 to 63.
.TUESDAY...Partly cloudy. Highs 86 to 101.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows
54 to 64. Highs 86 to 101.
.THURSDAY...Sunny. Highs 83 to 98.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 51 to 61. Highs
83 to 98.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 48 to 58. Highs
81 to 96.
&&
TEMPERATURE / PRECIPITATION
Covelo 91 55 88 / 0 0 0
$$
CAZ112-170200-
Southwestern Interior Mendocino-
Including the cities of Boonville, Philo, Comptche, and Yorkville
136 AM PDT Sun Aug 16 2026
.TODAY...Partly cloudy until early afternoon then becoming mostly
cloudy. Patchy valley fog in the morning. Highs 76 to 91.
.TONIGHT...Mostly cloudy. Lows 50 to 60.
.MONDAY...Mostly cloudy in the morning then clearing. Patchy
valley fog in the morning. Highs 70 to 84.
.MONDAY NIGHT...Partly cloudy. Patchy valley fog. Lows 48 to 58.
.TUESDAY...Partly cloudy. Patchy valley fog. Highs 76 to 91.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Patchy valley
fog. Lows 49 to 59. Highs 76 to 91.
.THURSDAY NIGHT...Mostly clear in the evening then becoming
mostly cloudy. Areas of valley fog. Lows 48 to 58.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Patchy valley fog.
Highs 71 to 86. Lows 48 to 58.
&&
TEMPERATURE / PRECIPITATION
Boonville 82 53 82 / 0 0 0
$$
CAZ113-170200-
Southeastern Interior Mendocino-
Including the cities of Calpella, Hopland, Redwood Valley,
Talmage, and Ukiah
136 AM PDT Sun Aug 16 2026
.TODAY...Mostly sunny until early afternoon then becoming mostly
cloudy. Highs 83 to 93.
.TONIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 55 to 65.
.MONDAY...Mostly cloudy in the morning then clearing. Highs 75 to
90.
.MONDAY NIGHT...Partly cloudy. Lows 54 to 64.
.TUESDAY...Partly cloudy. Highs 80 to 95.
.TUESDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows 53 to
63. Highs 80 to 95.
.SATURDAY...Sunny. Highs 75 to 90.
&&
TEMPERATURE / PRECIPITATION
Ukiah 88 59 88 / 0 0 0
$$
CAZ114-170200-
Northern Lake-
Including the city of Gravelly Valley Airport
136 AM PDT Sun Aug 16 2026
.TODAY...Sunny until early afternoon then becoming mostly cloudy.
Highs 79 to 90.
.TONIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 55 to 65.
.MONDAY...Mostly cloudy in the morning then clearing. Highs 77 to
92.
.MONDAY NIGHT...Partly cloudy. Lows 55 to 65.
.TUESDAY...Mostly sunny. Highs 84 to 99.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows
56 to 66. Highs 84 to 99.
.THURSDAY...Sunny. Highs 80 to 95.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 53 to 63. Highs
80 to 95.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 50 to 60. Highs
78 to 93.
&&
TEMPERATURE / PRECIPITATION
Lake Pillsbury 89 49 90 / 0 0 0
$$
CAZ116-170200-
Northwestern and Central Trinity-
Including the cities of Weaverville, Douglas City, Helena,
Junction City, Big Bar, Del Loma, and Burnt Ranch
136 AM PDT Sun Aug 16 2026
.TODAY...Mostly sunny until early afternoon then becoming mostly
cloudy. Patchy smoke in the morning. Highs 78 to 92. East wind
around 5 mph shifting to the south in the afternoon.
.TONIGHT...Mostly cloudy. Patchy smoke. Lows 55 to 65. West wind
around 10 mph shifting to the east overnight.
.MONDAY...Mostly cloudy in the morning then clearing. Patchy
smoke in the morning. Highs 84 to 99. East wind around 5 mph
shifting to the south in the afternoon.
.MONDAY NIGHT...Partly cloudy. Lows 54 to 64. Northwest wind
around 10 mph.
.TUESDAY...Mostly sunny. Highs 89 to 104. West wind around
10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 54 to 64.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 87 to 102. Lows
54 to 64.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 52 to 62. Highs
86 to 101.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 49 to 59. Highs
82 to 97.
&&
TEMPERATURE / PRECIPITATION
Big Bar 92 58 94 / 0 0 0
Weaverville 90 57 92 / 0 0 0
$$
CAZ117-170200-
Northeastern Trinity-
Including the cities of Carrville and Trinity Center
136 AM PDT Sun Aug 16 2026
.TODAY...Mostly sunny. Highs 74 to 89. East wind around 5 mph
shifting to the south in the afternoon.
.TONIGHT...Mostly cloudy. Lows 53 to 63. Southeast wind around
10 mph shifting to the northeast overnight.
.MONDAY...Mostly cloudy in the morning then becoming mostly
sunny. Highs 78 to 93. Southeast wind around 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows 53 to 63. Northwest wind
around 5 mph.
.TUESDAY...Mostly sunny. Highs 82 to 97. Southwest wind around
5 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 53 to 63.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs 81 to 96. Lows
53 to 63.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Lows 51 to
61. Highs 80 to 95.
.SATURDAY...Sunny. Highs 78 to 93.
&&
TEMPERATURE / PRECIPITATION
Trinity Center 88 57 90 / 0 0 0
$$
CAZ118-170200-
Western Lake-
Including the cities of Finley, Knobcone Camp, Lakeport,
Soda Bay, Lucerne, Nice, and Saratoga Springs
136 AM PDT Sun Aug 16 2026
.TODAY...Sunny until early afternoon then becoming mostly cloudy.
Highs 82 to 92. Southeast wind around 10 mph.
.TONIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 58 to 68. West wind around 10 mph.
.MONDAY...Mostly cloudy in the morning then clearing. Highs 79 to
89. Southwest wind around 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows 57 to 67. Northwest wind
around 10 mph.
.TUESDAY...Mostly sunny. Highs 85 to 95. West wind around 5 mph.
.TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 56 to 66.
Highs 80 to 95.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 52 to 62. Highs
79 to 90.
&&
TEMPERATURE / PRECIPITATION
Lakeport 87 59 83 / 0 0 0
$$
CAZ119-170200-
Southwestern Lake-
Including the cities of Kelseyville, Mount Konocti, Adams,
Anderson Springs, Cobb, Ettawa Springs, and Forest Lake
136 AM PDT Sun Aug 16 2026
.TODAY...Mostly sunny. Highs 82 to 92. East wind around 5 mph
shifting to the south in the afternoon.
.TONIGHT...Partly cloudy. Lows 57 to 67. Southwest wind around
10 mph.
.MONDAY...Mostly cloudy in the morning then clearing. Highs 75 to
88. Southwest wind around 10 mph.
.MONDAY NIGHT...Partly cloudy. Lows 57 to 67. West wind around
10 mph.
.TUESDAY...Mostly sunny. Highs 82 to 94. West wind around 5 mph.
.TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 59 to 69.
Highs 79 to 94.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 55 to 65. Highs
78 to 90.
$$
CAZ120-170200-
Eastern Lake-
Including the cities of Clearlake, Clearlake Park,
Hidden Valley Lake, and Middletown
136 AM PDT Sun Aug 16 2026
.TODAY...Sunny until early afternoon then becoming partly cloudy.
Highs 84 to 94. Northeast wind around 10 mph shifting to the
south in the afternoon.
.TONIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 56 to 66. West wind around 10 mph.
.MONDAY...Mostly cloudy in the morning then clearing. Highs 81 to
91. West wind around 5 mph shifting to the south in the
afternoon.
.MONDAY NIGHT...Partly cloudy. Lows 55 to 65. West wind around
10 mph.
.TUESDAY...Mostly sunny. Highs 87 to 97. Northeast wind around
5 mph.
.TUESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows 57 to
67. Highs 85 to 97.
.FRIDAY THROUGH SATURDAY...Mostly clear. Highs 82 to 93. Lows
54 to 64.
&&
TEMPERATURE / PRECIPITATION
Middletown 90 53 86 / 0 0 0
Clearlake 89 58 87 / 0 0 0
$$