Zone Forecast Product
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
536
FPUS56 KEKA 170837
ZFPEKA
Zone Forecast Product for California
National Weather Service Eureka CA
136 AM PDT Thu Sep 17 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 Friday.
CAZ101-180200-
Coastal Del Norte-
Including the cities of Ft Dick, Crescent City, and Smith River
136 AM PDT Thu Sep 17 2026
.TODAY...Mostly cloudy. Patchy fog in the morning. Highs 61 to
71. South wind around 5 mph.
.TONIGHT...Mostly cloudy. Patchy fog. Lows 47 to 57. South wind
around 5 mph in the evening becoming light.
.FRIDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog in the morning. Highs 61 to 71. North wind
around 5 mph shifting to the northwest in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Patchy fog. Lows 47 to 57.
Northeast wind around 10 mph.
.SATURDAY...Mostly cloudy. Patchy fog. Highs 63 to 73. Northwest
wind around 5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Patchy fog.
Lows 48 to 58. Highs 63 to 74.
.MONDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog. Highs 66 to 76.
.MONDAY NIGHT THROUGH WEDNESDAY...Partly cloudy. Lows 48 to 58.
Highs 65 to 76.
&&
TEMPERATURE / PRECIPITATION
Crescent City 63 53 62 / 10 10 0
Klamath 66 52 66 / 10 0 0
$$
CAZ102-180200-
Interior Del Norte-
Including the city of Gasquet
136 AM PDT Thu Sep 17 2026
.TODAY...Mostly sunny. Slight chance of rain in the morning.
Slight chance of rain showers and isolated thunderstorms in the
afternoon. Highs 62 to 77.
.TONIGHT...Partly cloudy. Patchy valley fog in the evening. Lows
46 to 56.
.FRIDAY...Sunny. Highs 65 to 80.
.FRIDAY NIGHT...Mostly clear. Lows 47 to 57.
.SATURDAY...Sunny. Highs 70 to 85.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 51 to
61. Highs 73 to 88.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 73 to 88. Lows
51 to 61.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 47 to 57.
Highs 70 to 85.
&&
TEMPERATURE / PRECIPITATION
Gasquet 77 51 79 / 10 0 0
$$
CAZ103-180200-
Northern Coastal Humboldt-
Including the cities of Eureka, Samoa, Arcata, Arcata Arpt,
Fieldbrook, Fernbridge, and Fortuna
136 AM PDT Thu Sep 17 2026
.TODAY...Partly cloudy. Patchy fog in the morning. Highs 65 to
75. Southeast wind around 5 mph shifting to the west in the
afternoon.
.TONIGHT...Mostly cloudy. Patchy fog. Lows 48 to 58. South wind
around 5 mph in the evening becoming light.
.FRIDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog in the morning. Highs 62 to 73. Northeast wind
around 5 mph shifting to the northwest in the afternoon.
.FRIDAY NIGHT...Mostly cloudy. Patchy fog. Lows 46 to 56. North
wind around 10 mph.
.SATURDAY...Mostly cloudy. Patchy fog. Highs 62 to 73. North wind
around 10 mph.
.SATURDAY NIGHT THROUGH MONDAY...Mostly cloudy. Patchy fog. Lows
47 to 57. Highs 62 to 76.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Patchy fog. Lows 47 to 57.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog. Highs 64 to 75.
.TUESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows 47 to 57.
.WEDNESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 65 to 78.
&&
TEMPERATURE / PRECIPITATION
McKinleyville 65 52 64 / 10 0 0
Arcata 68 53 66 / 10 0 0
Eureka 66 54 64 / 10 0 0
Fortuna 72 54 68 / 0 0 0
$$
CAZ104-180200-
Southwestern Humboldt-
Including the cities of Honeydew, Petrolia, Briceland,
Ettersburg, Shelter Cove, and Whitethorn
136 AM PDT Thu Sep 17 2026
.TODAY...Mostly sunny. Highs 62 to 75. South wind around 10 mph.
.TONIGHT...Partly cloudy. Patchy fog overnight. Lows 47 to 57.
Southwest wind around 5 mph in the evening becoming light.
.FRIDAY...Partly cloudy in the morning then clearing. Patchy fog
in the morning. Highs 70 to 85. Northeast wind around 5 mph
shifting to the northwest in the afternoon.
.FRIDAY NIGHT...Partly cloudy. Lows 44 to 54. North wind around
10 mph.
.SATURDAY...Mostly sunny. Highs 74 to 89. North wind around
10 mph.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows 48 to 58.
.SUNDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 71 to 86.
.SUNDAY NIGHT THROUGH WEDNESDAY...Partly cloudy. Lows 49 to 59.
Highs 77 to 92.
&&
TEMPERATURE / PRECIPITATION
Honeydew 70 50 79 / 0 0 0
$$
CAZ105-180200-
Northeastern Interior Humboldt-
Including the cities of Hoopa, Orleans, Weitchpec,
and Willow Creek
136 AM PDT Thu Sep 17 2026
.TODAY...Mostly sunny. Slight chance of rain in the morning.
Slight chance of rain showers and isolated thunderstorms in the
afternoon. Highs 71 to 86.
.TONIGHT...Partly cloudy. Lows 46 to 56.
.FRIDAY...Sunny. Patchy valley fog in the morning. Highs 75 to
90.
.FRIDAY NIGHT...Mostly clear. Lows 46 to 56.
.SATURDAY...Sunny. Highs 81 to 96.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 49 to
59. Highs 82 to 97.
.MONDAY THROUGH TUESDAY...Mostly clear. Highs 83 to 98. Lows
49 to 59.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 47 to 57.
Highs 81 to 96.
&&
TEMPERATURE / PRECIPITATION
Orleans 82 52 87 / 20 10 0
Hoopa 84 52 86 / 10 0 0
Willow Creek 85 52 88 / 20 0 0
$$
CAZ106-180200-
Southeastern Interior Humboldt-
Including the cities of Bull Creek, Pepperwood, Shively,
Dinsmore, Bridgeville, Alderpoint, and Benbow
136 AM PDT Thu Sep 17 2026
.TODAY...Sunny. Patchy valley fog in the morning. Highs 66 to 81.
.TONIGHT...Partly cloudy. Patchy valley fog overnight. Lows 46 to
56.
.FRIDAY...Sunny. Patchy valley fog in the morning. Highs 72 to
87.
.FRIDAY NIGHT...Mostly clear. Lows 44 to 54.
.SATURDAY...Mostly sunny. Highs 75 to 90.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 48 to
58. Highs 76 to 91.
.MONDAY...Partly cloudy in the morning then clearing. Highs 81 to
96.
.MONDAY NIGHT...Mostly clear. Lows 49 to 59.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Highs 78 to 93. Lows
48 to 58.
&&
TEMPERATURE / PRECIPITATION
Garberville 76 50 85 / 0 0 0
$$
CAZ108-180200-
Southern Trinity-
Including the cities of Forest Glen, Hayfork, Hyampom, Peanut,
Ruth, and Zenia
136 AM PDT Thu Sep 17 2026
.TODAY...Mostly sunny. Patchy valley fog in the morning. Slight
chance of rain in the morning, then slight chance of rain showers
and isolated thunderstorms in the afternoon. Highs 68 to 83.
.TONIGHT...Mostly clear. Slight chance of rain showers and
isolated thunderstorms in the evening. Lows 43 to 53.
.FRIDAY...Sunny. Highs 72 to 87.
.FRIDAY NIGHT...Clear. Lows 44 to 54.
.SATURDAY...Sunny. Highs 86 to 101.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 47 to
57. Highs 86 to 101.
.MONDAY AND MONDAY NIGHT...Mostly clear. Highs 86 to 101. Lows
48 to 58.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 79 to 94. Lows
48 to 58.
.WEDNESDAY...Mostly sunny. Highs 79 to 94.
&&
TEMPERATURE / PRECIPITATION
Hayfork 79 42 86 / 20 20 0
Ruth 76 43 82 / 20 10 0
$$
CAZ109-180200-
Coastal Mendocino-
Including the cities of Fort Bragg and Rockport
136 AM PDT Thu Sep 17 2026
.TODAY...Mostly cloudy in the morning then clearing. Highs 62 to
72. South wind around 10 mph.
.TONIGHT...Partly cloudy. Patchy fog. Lows 46 to 56. Southeast
wind around 5 mph shifting to the northeast overnight.
.FRIDAY...Partly cloudy in the morning then clearing. Patchy fog
in the morning. Highs 64 to 79. Northwest wind around 10 mph.
.FRIDAY NIGHT...Partly cloudy. Patchy fog. Lows 44 to 54. North
wind around 10 mph.
.SATURDAY...Mostly sunny. Patchy fog. Highs 66 to 81. Northwest
wind around 10 mph.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Patchy fog. Lows 46 to 56.
.SUNDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog. Highs 63 to 76.
.SUNDAY NIGHT THROUGH TUESDAY...Partly cloudy. Patchy fog. Lows
47 to 57. Highs 71 to 86.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 47 to 57.
Highs 70 to 85.
&&
TEMPERATURE / PRECIPITATION
Fort Bragg 69 51 67 / 0 0 0
Point Arena 64 53 63 / 0 0 0
$$
CAZ110-180200-
Northwestern Interior Mendocino-
Including the cities of Potter Valley and Willits
136 AM PDT Thu Sep 17 2026
.TODAY...Partly cloudy in the morning then clearing. Patchy
valley fog in the morning. Highs 68 to 83.
.TONIGHT...Mostly clear. Patchy valley fog. Lows 44 to 54.
.FRIDAY...Sunny. Patchy valley fog in the morning. Highs 75 to
90.
.FRIDAY NIGHT...Clear. Lows 43 to 53.
.SATURDAY...Sunny. Highs 82 to 97.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 47 to
57. Highs 82 to 97.
.MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 84 to 99.
Lows 47 to 57.
.WEDNESDAY...Mostly sunny. Highs 82 to 97.
&&
TEMPERATURE / PRECIPITATION
Leggett 71 49 78 / 0 0 0
Laytonville 73 48 81 / 10 0 0
Willits 74 46 79 / 10 0 0
$$
CAZ111-180200-
Northeastern Interior Mendocino-
Including the city of Covelo
136 AM PDT Thu Sep 17 2026
.TODAY...Mostly sunny. Patchy valley fog in the morning. Chance
of rain showers and isolated thunderstorms in the afternoon.
Highs 66 to 81.
.TONIGHT...Mostly clear. Lows 45 to 55.
.FRIDAY...Sunny. Patchy valley fog in the morning. Highs 75 to
90.
.FRIDAY NIGHT...Clear. Lows 46 to 56.
.SATURDAY...Sunny. Highs 82 to 97.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 49 to
59. Highs 82 to 97.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Highs 85 to 100. Lows
50 to 60.
&&
TEMPERATURE / PRECIPITATION
Covelo 78 47 85 / 20 10 0
$$
CAZ112-180200-
Southwestern Interior Mendocino-
Including the cities of Boonville, Philo, Comptche, and Yorkville
136 AM PDT Thu Sep 17 2026
.TODAY...Mostly cloudy in the morning then clearing. Highs 69 to
79.
.TONIGHT...Partly cloudy. Patchy valley fog. Lows 47 to 57.
.FRIDAY...Partly cloudy in the morning then clearing. Patchy
valley fog in the morning. Highs 72 to 85.
.FRIDAY NIGHT...Mostly clear. Patchy valley fog. Lows 45 to 55.
.SATURDAY...Sunny. Patchy valley fog. Highs 75 to 90.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Patchy valley fog.
Lows 46 to 56. Highs 75 to 90.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 47 to 57. Highs
76 to 91.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows 49 to
59. Highs 76 to 91.
.WEDNESDAY...Mostly sunny. Highs 78 to 91.
&&
TEMPERATURE / PRECIPITATION
Boonville 76 51 82 / 0 0 0
$$
CAZ113-180200-
Southeastern Interior Mendocino-
Including the cities of Calpella, Hopland, Redwood Valley,
Talmage, and Ukiah
136 AM PDT Thu Sep 17 2026
.TODAY...Mostly cloudy in the morning then clearing. Patchy
valley fog in the morning. Highs 68 to 81.
.TONIGHT...Mostly clear. Lows 48 to 58.
.FRIDAY...Sunny. Highs 74 to 88.
.FRIDAY NIGHT...Mostly clear. Lows 49 to 59.
.SATURDAY...Sunny. Highs 78 to 93.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 51 to
61. Highs 78 to 93.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Highs 81 to 96. Lows
52 to 62.
&&
TEMPERATURE / PRECIPITATION
Ukiah 80 53 86 / 0 0 0
$$
CAZ114-180200-
Northern Lake-
Including the city of Gravelly Valley Airport
136 AM PDT Thu Sep 17 2026
.TODAY...Mostly sunny. Patchy valley fog in the morning. Slight
chance of rain in the afternoon. Highs 66 to 81.
.TONIGHT...Mostly clear. Patchy valley fog overnight. Lows 44 to
54.
.FRIDAY...Sunny. Highs 75 to 90.
.FRIDAY NIGHT...Clear. Lows 50 to 60.
.SATURDAY...Sunny. Highs 80 to 95.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 52 to
62. Highs 80 to 95.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Highs 83 to 98. Lows
53 to 63.
&&
TEMPERATURE / PRECIPITATION
Lake Pillsbury 81 42 89 / 10 10 0
$$
CAZ116-180200-
Northwestern and Central Trinity-
Including the cities of Weaverville, Douglas City, Helena,
Junction City, Big Bar, Del Loma, and Burnt Ranch
136 AM PDT Thu Sep 17 2026
.TODAY...Sunny in the morning then becoming partly cloudy. Slight
chance of rain in the morning, then slight chance of rain showers
and isolated thunderstorms in the afternoon. Highs 70 to 85.
Southeast wind around 5 mph.
.TONIGHT...Partly cloudy in the evening then clearing. Slight
chance of rain showers and isolated thunderstorms in the evening.
Lows 44 to 54. North wind around 5 mph.
.FRIDAY...Sunny. Highs 76 to 91. North wind around 5 mph shifting
to the west in the afternoon.
.FRIDAY NIGHT...Clear. Lows 47 to 57. Northwest wind around
10 mph.
.SATURDAY...Sunny. Highs 87 to 102. East wind around 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows 51 to 61.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 90 to 105. Lows
51 to 61.
.MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 88 to 103.
Lows 50 to 60.
.WEDNESDAY...Mostly sunny. Highs 84 to 99.
&&
TEMPERATURE / PRECIPITATION
Big Bar 81 49 88 / 20 20 0
Weaverville 77 49 86 / 20 20 0
$$
CAZ117-180200-
Northeastern Trinity-
Including the cities of Carrville and Trinity Center
136 AM PDT Thu Sep 17 2026
.TODAY...Mostly sunny in the morning then becoming mostly cloudy.
Slight chance of rain in the morning, then chance of rain showers
and isolated thunderstorms in the afternoon. Highs 61 to 76.
Light winds becoming south around 5 mph in the afternoon.
.TONIGHT...Mostly cloudy in the evening then clearing. Chance of
rain showers and isolated thunderstorms in the evening. Lows
41 to 51. Northwest wind around 5 mph.
.FRIDAY...Sunny. Highs 73 to 88. Northwest wind around 5 mph
shifting to the west in the afternoon.
.FRIDAY NIGHT...Clear. Lows 45 to 55. Northwest wind around
5 mph.
.SATURDAY...Sunny. Highs 81 to 96. Northeast wind around 5 mph.
.SATURDAY NIGHT...Mostly clear. Lows 48 to 58.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 79 to 94. Lows
49 to 59.
.MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs 82 to 97.
Lows 48 to 58.
.WEDNESDAY...Sunny. Highs 76 to 91.
&&
TEMPERATURE / PRECIPITATION
Trinity Center 74 48 86 / 30 30 0
$$
CAZ118-180200-
Western Lake-
Including the cities of Finley, Knobcone Camp, Lakeport,
Soda Bay, Lucerne, Nice, and Saratoga Springs
136 AM PDT Thu Sep 17 2026
.TODAY...Partly cloudy in the morning then clearing. Patchy fog
in the morning. Highs 70 to 80. Southeast wind around 5 mph.
.TONIGHT...Mostly clear. Lows 48 to 58. West wind around 5 mph.
.FRIDAY...Sunny. Patchy fog in the morning. Highs 78 to 88. North
wind around 5 mph shifting to the west in the afternoon.
.FRIDAY NIGHT...Clear. Lows 52 to 62. Northwest wind around
10 mph.
.SATURDAY...Sunny. Highs 83 to 96. West wind around 5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 54 to
64. Highs 81 to 96.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Highs 84 to 97. Lows
54 to 64.
&&
TEMPERATURE / PRECIPITATION
Lakeport 76 51 84 / 0 0 0
$$
CAZ119-180200-
Southwestern Lake-
Including the cities of Kelseyville, Mount Konocti, Adams,
Anderson Springs, Cobb, Ettawa Springs, and Forest Lake
136 AM PDT Thu Sep 17 2026
.TODAY...Mostly sunny. Patchy fog in the morning. Highs 67 to 77.
Southeast wind around 5 mph.
.TONIGHT...Mostly clear. Lows 48 to 58. Southwest wind around
10 mph shifting to the northwest overnight.
.FRIDAY...Sunny. Highs 77 to 88. North wind around 5 mph shifting
to the west in the afternoon.
.FRIDAY NIGHT...Clear. Lows 55 to 65. Northwest wind around
10 mph.
.SATURDAY...Sunny. Highs 80 to 94. West wind around 5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 55 to
65. Highs 79 to 94.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Highs 80 to 95. Lows
55 to 65.
$$
CAZ120-180200-
Eastern Lake-
Including the cities of Clearlake, Clearlake Park,
Hidden Valley Lake, and Middletown
136 AM PDT Thu Sep 17 2026
.TODAY...Partly cloudy until early afternoon then clearing.
Patchy fog in the morning. Highs 70 to 80. East wind around
5 mph.
.TONIGHT...Mostly clear. Lows 47 to 57. West wind around 5 mph
shifting to the northwest overnight.
.FRIDAY...Sunny. Highs 80 to 90. Northwest wind around 5 mph.
.FRIDAY NIGHT...Clear. Lows 54 to 64. West wind around 10 mph.
.SATURDAY...Sunny. Highs 84 to 98. North wind around 5 mph.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 54 to
64. Highs 83 to 98.
.MONDAY THROUGH WEDNESDAY...Mostly clear. Highs 85 to 97. Lows
54 to 64.
&&
TEMPERATURE / PRECIPITATION
Middletown 76 48 87 / 0 0 0
Clearlake 77 51 87 / 0 0 0
$$