Zone Forecast Product
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
448
FPUS56 KEKA 170837
ZFPEKA
Zone Forecast Product for California
National Weather Service Eureka CA
136 AM PDT Mon Aug 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 Tuesday.
CAZ101-180200-
Coastal Del Norte-
Including the cities of Ft Dick, Crescent City, and Smith River
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy until early afternoon then becoming partly
cloudy. Patchy fog in the morning. Highs 62 to 72. Southwest wind
around 5 mph.
.TONIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Patchy fog overnight. Lows 48 to 58. Southwest wind
around 5 mph shifting to the northwest overnight.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog in the morning. Highs 63 to 76. Light winds
becoming west around 5 mph in the afternoon.
.TUESDAY NIGHT...Mostly cloudy. Patchy fog. Lows 48 to 58. North
wind around 5 mph.
.WEDNESDAY...Mostly cloudy. Patchy fog. Highs 62 to 74. Northwest
wind around 5 mph.
.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
58 to 70. Lows 46 to 56.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Patchy fog. Lows 47 to 57.
.SUNDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog. Highs 64 to 75.
&&
TEMPERATURE / PRECIPITATION
Crescent City 63 52 63 / 0 0 0
Klamath 67 53 66 / 0 0 0
$$
CAZ102-180200-
Interior Del Norte-
Including the city of Gasquet
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy until early afternoon then becoming partly
cloudy. Highs 70 to 85.
.TONIGHT...Mostly clear. Lows 53 to 63.
.TUESDAY...Mostly sunny. Highs 76 to 91.
.TUESDAY NIGHT...Partly cloudy. Lows 54 to 64.
.WEDNESDAY...Mostly sunny. Highs 75 to 90.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Patchy valley fog.
Lows 51 to 61. Highs 75 to 90.
.THURSDAY NIGHT...Partly cloudy. Areas of valley fog. Lows 49 to
59.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Patchy valley fog.
Highs 66 to 81. Lows 47 to 57.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 49 to 59. Highs
71 to 86.
&&
TEMPERATURE / PRECIPITATION
Gasquet 83 53 86 / 0 0 0
$$
CAZ103-180200-
Northern Coastal Humboldt-
Including the cities of Eureka, Samoa, Arcata, Arcata Arpt,
Fieldbrook, Fernbridge, and Fortuna
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy until early afternoon then clearing.
Patchy fog and smoke in the morning. Highs 62 to 76. West wind
around 10 mph.
.TONIGHT...Mostly cloudy. Patchy fog. Lows 48 to 58. West wind
around 10 mph.
.TUESDAY...Mostly cloudy. Patchy fog in the morning. Highs 61 to
76. Northwest wind around 10 mph.
.TUESDAY NIGHT...Mostly cloudy. Patchy fog. Lows 48 to 58.
Northwest wind around 10 mph.
.WEDNESDAY...Mostly cloudy. Patchy fog. Highs 61 to 75. Northwest
wind around 10 mph.
.WEDNESDAY NIGHT THROUGH SUNDAY...Mostly cloudy. Patchy fog. Lows
48 to 58. Highs 61 to 76.
&&
TEMPERATURE / PRECIPITATION
McKinleyville 64 52 63 / 0 0 0
Arcata 67 54 65 / 0 0 0
Eureka 64 53 62 / 0 0 0
Fortuna 67 54 66 / 0 0 0
$$
CAZ104-180200-
Southwestern Humboldt-
Including the cities of Honeydew, Petrolia, Briceland,
Ettersburg, Shelter Cove, and Whitethorn
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy in the morning then clearing. Highs 70 to
85. Northwest wind around 10 mph.
.TONIGHT...Partly cloudy. Lows 51 to 61. North wind up to 10 mph.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 78 to 93. North wind 5 to 15 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 51 to 61. North wind around
15 mph.
.WEDNESDAY...Mostly sunny. Highs 77 to 92. North wind around
10 mph.
.WEDNESDAY NIGHT THROUGH SUNDAY...Partly cloudy. Lows 50 to 60.
Highs 77 to 92.
&&
TEMPERATURE / PRECIPITATION
Honeydew 79 52 85 / 0 0 0
$$
CAZ105-180200-
Northeastern Interior Humboldt-
Including the cities of Hoopa, Orleans, Weitchpec,
and Willow Creek
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy until early afternoon then clearing.
Patchy smoke. Highs 80 to 95.
.TONIGHT...Mostly clear. Patchy smoke. Lows 52 to 62.
.TUESDAY...Partly cloudy. Patchy smoke in the morning. Highs
85 to 100.
.TUESDAY NIGHT...Partly cloudy. Lows 53 to 63.
.WEDNESDAY...Mostly sunny. Highs 85 to 100.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 51 to 61.
Highs 85 to 100.
.THURSDAY NIGHT...Partly cloudy. Areas of valley fog. Lows 49 to
59.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Patchy valley fog.
Highs 77 to 92. Lows 48 to 58.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 49 to 59. Highs
84 to 99.
&&
TEMPERATURE / PRECIPITATION
Orleans 92 58 97 / 0 0 0
Hoopa 91 57 95 / 0 0 0
Willow Creek 94 57 97 / 0 0 0
$$
CAZ106-180200-
Southeastern Interior Humboldt-
Including the cities of Bull Creek, Pepperwood, Shively,
Dinsmore, Bridgeville, Alderpoint, and Benbow
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy in the morning then clearing. Patchy smoke
in the morning. Highs 73 to 88.
.TONIGHT...Partly cloudy. Patchy smoke in the evening. Lows 51 to
61.
.TUESDAY...Mostly cloudy in the morning then becoming mostly
sunny. Patchy smoke in the afternoon. Highs 79 to 94.
.TUESDAY NIGHT...Partly cloudy. Lows 52 to 62.
.WEDNESDAY...Mostly sunny. Highs 79 to 94.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 49 to 59.
Highs 79 to 94.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Patchy
valley fog. Lows 46 to 56. Highs 74 to 89.
.SATURDAY...Partly cloudy in the morning then clearing. Highs
72 to 87.
.SATURDAY NIGHT...Mostly clear. Lows 47 to 57.
.SUNDAY...Mostly sunny. Highs 78 to 93.
&&
TEMPERATURE / PRECIPITATION
Garberville 85 54 91 / 0 0 0
$$
CAZ108-180200-
Southern Trinity-
Including the cities of Forest Glen, Hayfork, Hyampom, Peanut,
Ruth, and Zenia
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy in the morning then clearing. Patchy smoke
in the morning. Highs 79 to 94.
.TONIGHT...Mostly clear. Patchy smoke overnight. Lows 52 to 62.
.TUESDAY...Partly cloudy. Patchy smoke in the morning. Highs
82 to 97.
.TUESDAY NIGHT...Partly cloudy. Lows 54 to 64.
.WEDNESDAY...Mostly sunny. Highs 84 to 99.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 53 to 63.
Highs 84 to 99.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 50 to 60. Highs
80 to 95.
.FRIDAY NIGHT...Mostly clear. Lows 46 to 56.
.SATURDAY AND SATURDAY NIGHT...Clear. Highs 76 to 91. Lows 47 to
57.
.SUNDAY...Sunny. Highs 81 to 96.
&&
TEMPERATURE / PRECIPITATION
Hayfork 91 50 97 / 0 0 0
Ruth 90 49 92 / 0 0 0
$$
CAZ109-180200-
Coastal Mendocino-
Including the cities of Fort Bragg and Rockport
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy in the morning then clearing. Highs 66 to
81. Southwest wind around 10 mph.
.TONIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Patchy fog overnight. Lows 47 to 57. Northwest wind up to
10 mph.
.TUESDAY...Mostly cloudy in the morning then becoming mostly
sunny. Patchy fog in the morning. Highs 73 to 88. Northwest wind
5 to 15 mph.
.TUESDAY NIGHT...Partly cloudy. Patchy fog. Lows 49 to 59.
Northwest wind around 10 mph.
.WEDNESDAY...Partly cloudy. Patchy fog. Highs 70 to 85. Northwest
wind around 10 mph.
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Patchy fog. Lows 48 to 58.
.THURSDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog. Highs 64 to 79.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Areas of fog. Lows 46 to 56.
.FRIDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog. Highs 62 to 77.
.FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy. Patchy fog. Lows
45 to 55. Highs 70 to 85.
&&
TEMPERATURE / PRECIPITATION
Fort Bragg 66 50 66 / 0 0 0
Point Arena 60 50 61 / 0 0 0
$$
CAZ110-180200-
Northwestern Interior Mendocino-
Including the cities of Potter Valley and Willits
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy in the morning then clearing. Highs 83 to
98.
.TONIGHT...Mostly clear. Lows 52 to 62.
.TUESDAY...Partly cloudy in the morning then clearing. Highs
85 to 100.
.TUESDAY NIGHT...Partly cloudy. Lows 53 to 63.
.WEDNESDAY...Mostly sunny. Highs 85 to 100.
.WEDNESDAY NIGHT...Mostly clear. Lows 51 to 61.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs 80 to 95. Lows
50 to 60.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 48 to
58. Highs 78 to 93.
.SUNDAY...Sunny. Highs 83 to 98.
&&
TEMPERATURE / PRECIPITATION
Leggett 83 54 86 / 0 0 0
Laytonville 88 55 90 / 0 0 0
Willits 85 52 86 / 0 0 0
$$
CAZ111-180200-
Northeastern Interior Mendocino-
Including the city of Covelo
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy in the morning then clearing. Highs 84 to
99.
.TONIGHT...Mostly clear. Lows 53 to 63.
.TUESDAY...Partly cloudy in the morning then clearing. Highs
87 to 102.
.TUESDAY NIGHT...Partly cloudy. Lows 57 to 67.
.WEDNESDAY...Mostly sunny. Highs 87 to 102.
.WEDNESDAY NIGHT...Mostly clear. Lows 55 to 65.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs 84 to 99. Lows
54 to 64.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 49 to 59. Highs
84 to 99.
&&
TEMPERATURE / PRECIPITATION
Covelo 92 55 94 / 0 0 0
$$
CAZ112-180200-
Southwestern Interior Mendocino-
Including the cities of Boonville, Philo, Comptche, and Yorkville
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy in the morning then clearing. Highs 75 to
89.
.TONIGHT...Partly cloudy. Patchy valley fog overnight. Lows 49 to
59.
.TUESDAY...Mostly cloudy in the morning then clearing. Patchy
valley fog in the morning. Highs 78 to 93.
.TUESDAY NIGHT...Partly cloudy. Patchy valley fog. Lows 50 to 60.
.WEDNESDAY...Mostly sunny. Patchy valley fog. Highs 77 to 92.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Patchy
valley fog. Lows 49 to 59. Highs 77 to 92.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Patchy valley fog.
Highs 70 to 85. Lows 48 to 58.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Patchy valley fog.
Lows 48 to 58. Highs 74 to 89.
&&
TEMPERATURE / PRECIPITATION
Boonville 87 53 89 / 0 0 0
$$
CAZ113-180200-
Southeastern Interior Mendocino-
Including the cities of Calpella, Hopland, Redwood Valley,
Talmage, and Ukiah
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy in the morning then clearing. Highs 80 to
95.
.TONIGHT...Partly cloudy. Lows 56 to 66.
.TUESDAY...Partly cloudy in the morning then clearing. Highs
82 to 97.
.TUESDAY NIGHT...Partly cloudy. Lows 58 to 68.
.WEDNESDAY...Mostly sunny. Highs 81 to 96.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
54 to 64. Highs 81 to 96.
.FRIDAY...Partly cloudy in the morning then clearing. Highs 73 to
87.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 51 to
61. Highs 74 to 89.
.SUNDAY...Sunny. Highs 79 to 94.
&&
TEMPERATURE / PRECIPITATION
Ukiah 93 59 94 / 0 0 0
$$
CAZ114-180200-
Northern Lake-
Including the city of Gravelly Valley Airport
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy in the morning then clearing. Highs 81 to
96.
.TONIGHT...Mostly clear. Lows 56 to 66.
.TUESDAY...Partly cloudy in the morning then clearing. Highs
84 to 99.
.TUESDAY NIGHT...Partly cloudy. Lows 58 to 68.
.WEDNESDAY...Sunny. Highs 84 to 99.
.WEDNESDAY NIGHT...Mostly clear. Lows 57 to 67.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 81 to 96.
Lows 56 to 66.
.FRIDAY...Mostly sunny. Highs 76 to 91.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 51 to 61. Highs
81 to 96.
&&
TEMPERATURE / PRECIPITATION
Lake Pillsbury 95 49 98 / 0 0 0
$$
CAZ116-180200-
Northwestern and Central Trinity-
Including the cities of Weaverville, Douglas City, Helena,
Junction City, Big Bar, Del Loma, and Burnt Ranch
136 AM PDT Mon Aug 17 2026
.TODAY...Cloudy in the morning then clearing. Patchy smoke in the
morning. Highs 84 to 99. Southeast wind around 5 mph shifting to
the south in the afternoon.
.TONIGHT...Mostly clear. Patchy smoke through the night. Lows
55 to 65. Northwest wind around 10 mph.
.TUESDAY...Partly cloudy. Patchy smoke in the morning. Highs
89 to 104. North wind around 5 mph shifting to the west in the
afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows 56 to 66. Northwest wind
around 10 mph.
.WEDNESDAY...Mostly sunny. Highs 90 to 105. Southeast wind around
10 mph.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 55 to 65.
Highs 90 to 105.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 53 to 63. Highs
87 to 102.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 49 to 59. Highs
82 to 97.
.SATURDAY NIGHT...Clear. Lows 50 to 60.
.SUNDAY...Sunny. Highs 87 to 102.
&&
TEMPERATURE / PRECIPITATION
Big Bar 94 58 100 / 0 0 0
Weaverville 92 57 97 / 0 0 0
$$
CAZ117-180200-
Northeastern Trinity-
Including the cities of Carrville and Trinity Center
136 AM PDT Mon Aug 17 2026
.TODAY...Cloudy then becoming partly cloudy early in the
afternoon then becoming sunny. Highs 78 to 93. Southeast wind
around 10 mph.
.TONIGHT...Mostly clear. Patchy smoke. Lows 53 to 63. Southwest
wind around 10 mph shifting to the north overnight.
.TUESDAY...Mostly cloudy in the morning then clearing. Highs
84 to 99. Northeast wind around 5 mph shifting to the southwest
in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows 55 to 65. Northwest wind
around 10 mph.
.WEDNESDAY...Sunny. Highs 83 to 98. Southeast wind around 10 mph.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 55 to 65.
Highs 83 to 98.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 53 to 63. Highs
80 to 95.
.FRIDAY NIGHT...Mostly clear. Lows 49 to 59.
.SATURDAY THROUGH SUNDAY...Clear. Highs 79 to 94. Lows 49 to 59.
&&
TEMPERATURE / PRECIPITATION
Trinity Center 90 58 97 / 0 0 0
$$
CAZ118-180200-
Western Lake-
Including the cities of Finley, Knobcone Camp, Lakeport,
Soda Bay, Lucerne, Nice, and Saratoga Springs
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy in the morning then clearing. Highs 84 to
94. Southwest wind around 10 mph.
.TONIGHT...Partly cloudy. Lows 59 to 69. West wind up to 10 mph.
.TUESDAY...Partly cloudy in the morning then clearing. Highs
86 to 96. West wind around 10 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 60 to 70. Northwest wind
around 10 mph.
.WEDNESDAY...Sunny. Highs 86 to 96. West wind around 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 57 to 67.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs 78 to 92. Lows
56 to 66.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 53 to 63. Highs
78 to 93.
&&
TEMPERATURE / PRECIPITATION
Lakeport 88 59 91 / 0 0 0
$$
CAZ119-180200-
Southwestern Lake-
Including the cities of Kelseyville, Mount Konocti, Adams,
Anderson Springs, Cobb, Ettawa Springs, and Forest Lake
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy then becoming partly cloudy early in the
afternoon then becoming sunny. Highs 79 to 91. South wind around
10 mph.
.TONIGHT...Partly cloudy. Lows 58 to 68. West wind up to 10 mph.
.TUESDAY...Sunny. Highs 84 to 95. North wind around 5 mph
shifting to the west in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows 62 to 72. West wind around
10 mph.
.WEDNESDAY...Sunny. Highs 83 to 95. Southwest wind around 10 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 60 to 70.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs 78 to 93. Lows
59 to 69.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 56 to 66. Highs
78 to 91.
$$
CAZ120-180200-
Eastern Lake-
Including the cities of Clearlake, Clearlake Park,
Hidden Valley Lake, and Middletown
136 AM PDT Mon Aug 17 2026
.TODAY...Mostly cloudy in the morning then becoming mostly sunny.
Highs 85 to 95. Southeast wind around 10 mph.
.TONIGHT...Partly cloudy. Lows 57 to 67. West wind around 10 mph.
.TUESDAY...Sunny. Highs 88 to 98. North wind around 10 mph
shifting to the south in the afternoon.
.TUESDAY NIGHT...Partly cloudy. Lows 60 to 70. West wind around
10 mph.
.WEDNESDAY...Sunny. Highs 89 to 99. East wind around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 58 to 68.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs 82 to 96. Lows
58 to 68.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 54 to 64. Highs
82 to 95.
&&
TEMPERATURE / PRECIPITATION
Middletown 89 54 94 / 0 0 0
Clearlake 91 59 95 / 0 0 0
$$