Zone Forecast Product
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
949
FPUS56 KEKA 182037
ZFPEKA
Zone Forecast Product for California
National Weather Service Eureka CA
136 PM PDT Tue Aug 18 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 tonight, Wednesday, Wednesday night, and Thursday.
CAZ101-191400-
Coastal Del Norte-
Including the cities of Ft Dick, Crescent City, and Smith River
136 PM PDT Tue Aug 18 2026
.TONIGHT...Mostly clear early in the evening then becoming mostly
cloudy. Patchy fog overnight. Lows 49 to 59. Southwest wind
around 5 mph in the evening becoming light.
.WEDNESDAY...Mostly cloudy in the morning then becoming mostly
sunny. Patchy fog in the morning. Highs 63 to 76. Light winds
becoming west around 5 mph in the afternoon.
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Patchy fog in the evening. Areas of fog overnight.
Lows 47 to 57. South wind around 5 mph.
.THURSDAY...Mostly cloudy. Areas of fog. Highs 60 to 70. West
wind around 5 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Areas of fog. Lows
46 to 56. Highs 58 to 70. West wind around 5 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Areas of fog. Lows
45 to 55. Highs 58 to 70.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Patchy fog.
Lows 47 to 57. Highs 60 to 75.
.MONDAY AND MONDAY NIGHT...Mostly cloudy. Patchy fog. Highs 61 to
71. Lows 47 to 57.
.TUESDAY...Mostly cloudy. Areas of fog. Highs 59 to 69.
&&
TEMPERATURE / PRECIPITATION
Crescent City 53 63 52 61 / 0 0 0 0
Klamath 54 66 53 63 / 0 0 0 0
$$
CAZ102-191400-
Interior Del Norte-
Including the city of Gasquet
136 PM PDT Tue Aug 18 2026
.TONIGHT...Clear then becoming partly cloudy in the late evening
and overnight then becoming mostly cloudy. Lows 55 to 65.
.WEDNESDAY...Partly cloudy in the morning then clearing. Highs
77 to 92.
.WEDNESDAY NIGHT...Mostly clear. Patchy valley fog overnight.
Lows 53 to 63.
.THURSDAY...Mostly sunny. Highs 73 to 88.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Patchy valley fog.
Lows 50 to 60. Highs 73 to 88.
.FRIDAY NIGHT...Partly cloudy. Patchy valley fog. Lows 45 to 55.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs 67 to 82. Lows
47 to 57.
.SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs 73 to 88. Lows
51 to 61.
.MONDAY...Mostly sunny. Highs 71 to 86.
.MONDAY NIGHT...Partly cloudy. Patchy valley fog. Lows 51 to 61.
.TUESDAY...Mostly sunny. Highs 68 to 83.
&&
TEMPERATURE / PRECIPITATION
Gasquet 55 87 52 78 / 0 0 0 0
$$
CAZ103-191400-
Northern Coastal Humboldt-
Including the cities of Eureka, Samoa, Arcata, Arcata Arpt,
Fieldbrook, Fernbridge, and Fortuna
136 PM PDT Tue Aug 18 2026
.TONIGHT...Mostly cloudy. Patchy fog overnight. Lows 48 to 58.
Northwest wind around 10 mph.
.WEDNESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog in the morning. Highs 61 to 76. Northwest wind
around 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy. Patchy fog. Lows 48 to 58.
Northwest wind around 10 mph.
.THURSDAY...Mostly cloudy. Patchy fog. Highs 60 to 72. Northwest
wind around 10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Patchy fog. Lows
48 to 58. Highs 60 to 72. Northwest wind up to 10 mph.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly cloudy. Patchy fog.
Lows 48 to 58. Highs 60 to 71.
.SUNDAY THROUGH TUESDAY...Mostly cloudy. Patchy fog. Highs 62 to
77. Lows 48 to 58.
&&
TEMPERATURE / PRECIPITATION
McKinleyville 53 63 53 61 / 0 0 0 0
Arcata 54 66 54 64 / 0 0 0 0
Eureka 54 63 54 62 / 0 0 10 0
Fortuna 54 67 54 65 / 0 0 10 0
$$
CAZ104-191400-
Southwestern Humboldt-
Including the cities of Honeydew, Petrolia, Briceland,
Ettersburg, Shelter Cove, and Whitethorn
136 PM PDT Tue Aug 18 2026
.TONIGHT...Partly cloudy until late tonight then becoming mostly
cloudy. Lows 52 to 62. North wind 5 to 15 mph.
.WEDNESDAY...Mostly sunny. Highs 78 to 93. North wind up to
10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 61. North wind up to
10 mph.
.THURSDAY...Mostly sunny. Highs 73 to 88. Northwest wind around
10 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows 50 to 60. North wind around
10 mph.
.FRIDAY...Partly cloudy. Highs 70 to 85. Northwest wind around
10 mph.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 48 to 58. Highs
71 to 86.
.SATURDAY NIGHT...Mostly clear. Lows 51 to 61.
.SUNDAY THROUGH MONDAY NIGHT...Partly cloudy. Highs 76 to 91.
Lows 51 to 61.
.TUESDAY...Mostly cloudy in the morning then becoming mostly
sunny. Highs 69 to 84.
&&
TEMPERATURE / PRECIPITATION
Honeydew 54 85 53 80 / 0 0 0 0
$$
CAZ105-191400-
Northeastern Interior Humboldt-
Including the cities of Hoopa, Orleans, Weitchpec,
and Willow Creek
136 PM PDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. Lows 54 to 64.
.WEDNESDAY...Sunny. Highs 87 to 102.
.WEDNESDAY NIGHT...Mostly clear. Lows 52 to 62.
.THURSDAY...Mostly sunny. Highs 83 to 98.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Patchy valley fog.
Lows 50 to 60. Highs 83 to 98.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Patchy valley fog.
Lows 46 to 56. Highs 77 to 92.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 51 to
61. Highs 84 to 99.
.MONDAY THROUGH TUESDAY...Partly cloudy. Highs 82 to 97. Lows
51 to 61.
&&
TEMPERATURE / PRECIPITATION
Orleans 59 99 58 96 / 0 0 0 0
Hoopa 59 97 57 92 / 0 0 0 0
Willow Creek 59 100 57 96 / 0 0 0 0
$$
CAZ106-191400-
Southeastern Interior Humboldt-
Including the cities of Bull Creek, Pepperwood, Shively,
Dinsmore, Bridgeville, Alderpoint, and Benbow
136 PM PDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. Lows 53 to 63.
.WEDNESDAY...Sunny. Highs 81 to 96.
.WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 61.
.THURSDAY...Mostly sunny. Highs 77 to 92.
.THURSDAY NIGHT...Partly cloudy. Lows 50 to 60.
.FRIDAY...Partly cloudy. Patchy valley fog. Highs 72 to 87.
.FRIDAY NIGHT...Mostly clear. Patchy valley fog. Lows 45 to 55.
.SATURDAY...Partly cloudy in the morning then clearing. Highs
73 to 88.
.SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows 48 to 58. Highs
79 to 94.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows 50 to
60. Highs 79 to 94.
.TUESDAY...Mostly sunny. Highs 72 to 87.
&&
TEMPERATURE / PRECIPITATION
Garberville 55 94 53 88 / 0 0 0 0
$$
CAZ108-191400-
Southern Trinity-
Including the cities of Forest Glen, Hayfork, Hyampom, Peanut,
Ruth, and Zenia
136 PM PDT Tue Aug 18 2026
.TONIGHT...Mostly clear until late tonight then becoming mostly
cloudy. Lows 55 to 65.
.WEDNESDAY...Sunny. Highs 85 to 100.
.WEDNESDAY NIGHT...Mostly clear. Lows 54 to 64.
.THURSDAY...Sunny. Highs 82 to 97.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 53 to 63. Highs
82 to 97.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Clear. Lows 47 to 57.
Highs 77 to 92.
.SUNDAY THROUGH TUESDAY...Mostly clear. Highs 81 to 96. Lows
49 to 59.
&&
TEMPERATURE / PRECIPITATION
Hayfork 53 100 52 97 / 0 0 0 0
Ruth 53 94 51 91 / 0 0 0 0
$$
CAZ109-191400-
Coastal Mendocino-
Including the cities of Fort Bragg and Rockport
136 PM PDT Tue Aug 18 2026
.TONIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Patchy fog. Lows 49 to 59. Northwest wind around 10 mph.
.WEDNESDAY...Mostly sunny. Patchy fog in the morning. Highs 71 to
86. Northwest wind around 10 mph.
.WEDNESDAY NIGHT...Partly cloudy. Patchy fog in the evening.
Areas of fog overnight. Lows 47 to 57. Northwest wind around
5 mph.
.THURSDAY...Partly cloudy. Patchy fog. Highs 64 to 79. Northwest
wind around 10 mph.
.THURSDAY NIGHT...Mostly cloudy. Areas of fog. Lows 47 to 57.
Northwest wind around 10 mph.
.FRIDAY...Partly cloudy. Patchy fog. Highs 62 to 77. Northwest
wind around 10 mph.
.FRIDAY NIGHT THROUGH MONDAY...Partly cloudy. Patchy fog. Lows
45 to 55. Highs 70 to 85.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Areas of fog. Lows 46 to 56.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog. Highs 63 to 78.
&&
TEMPERATURE / PRECIPITATION
Fort Bragg 51 66 51 64 / 0 0 0 0
Point Arena 52 61 51 59 / 0 0 0 0
$$
CAZ110-191400-
Northwestern Interior Mendocino-
Including the cities of Potter Valley and Willits
136 PM PDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. Lows 55 to 65.
.WEDNESDAY...Sunny. Highs 86 to 101.
.WEDNESDAY NIGHT...Mostly clear. Lows 52 to 62.
.THURSDAY...Mostly sunny. Highs 83 to 98.
.THURSDAY NIGHT...Mostly cloudy. Lows 51 to 61.
.FRIDAY...Partly cloudy. Highs 79 to 94.
.FRIDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 49 to 59. Highs
83 to 98.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 49 to 59. Highs
80 to 95.
&&
TEMPERATURE / PRECIPITATION
Leggett 56 86 54 80 / 0 0 0 0
Laytonville 57 91 55 86 / 0 0 0 0
Willits 54 88 52 83 / 0 0 0 0
$$
CAZ111-191400-
Northeastern Interior Mendocino-
Including the city of Covelo
136 PM PDT Tue Aug 18 2026
.TONIGHT...Partly cloudy until late tonight then becoming mostly
cloudy. Lows 57 to 67.
.WEDNESDAY...Sunny. Highs 89 to 104.
.WEDNESDAY NIGHT...Mostly clear. Lows 56 to 66.
.THURSDAY...Sunny. Highs 86 to 101.
.THURSDAY NIGHT...Mostly cloudy. Lows 55 to 65.
.FRIDAY...Partly cloudy. Highs 81 to 96.
.FRIDAY NIGHT...Mostly clear. Lows 49 to 59.
.SATURDAY AND SATURDAY NIGHT...Clear. Highs 82 to 97. Lows 50 to
60.
.SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Highs 84 to 99. Lows
52 to 62.
.TUESDAY...Mostly sunny. Highs 81 to 96.
&&
TEMPERATURE / PRECIPITATION
Covelo 57 96 56 93 / 0 0 0 0
$$
CAZ112-191400-
Southwestern Interior Mendocino-
Including the cities of Boonville, Philo, Comptche, and Yorkville
136 PM PDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. Patchy valley fog overnight. Lows 51 to
61.
.WEDNESDAY...Sunny. Patchy valley fog in the morning. Highs 78 to
93.
.WEDNESDAY NIGHT...Mostly clear. Patchy valley fog overnight.
Lows 49 to 59.
.THURSDAY...Partly cloudy. Patchy valley fog. Highs 75 to 90.
.THURSDAY NIGHT...Mostly cloudy. Patchy valley fog. Lows 49 to
59.
.FRIDAY...Partly cloudy. Patchy valley fog. Highs 71 to 86.
.FRIDAY NIGHT...Partly cloudy. Patchy valley fog. Lows 47 to 57.
.SATURDAY AND SATURDAY NIGHT...Mostly clear. Patchy valley fog.
Highs 71 to 86. Lows 48 to 58.
.SUNDAY...Sunny. Highs 75 to 90.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 50 to 60. Highs
75 to 90.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Patchy valley fog.
Lows 48 to 58. Highs 71 to 86.
&&
TEMPERATURE / PRECIPITATION
Boonville 55 89 53 84 / 0 0 0 0
$$
CAZ113-191400-
Southeastern Interior Mendocino-
Including the cities of Calpella, Hopland, Redwood Valley,
Talmage, and Ukiah
136 PM PDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. Lows 60 to 70.
.WEDNESDAY...Sunny. Highs 83 to 98.
.WEDNESDAY NIGHT...Mostly clear. Lows 56 to 66.
.THURSDAY...Mostly sunny. Highs 78 to 93.
.THURSDAY NIGHT...Mostly cloudy. Lows 55 to 65.
.FRIDAY...Partly cloudy. Highs 74 to 89.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 52 to 62. Highs
79 to 94.
.SUNDAY NIGHT THROUGH TUESDAY...Partly cloudy. Lows 54 to 64.
Highs 79 to 94.
&&
TEMPERATURE / PRECIPITATION
Ukiah 60 96 58 90 / 0 0 0 0
$$
CAZ114-191400-
Northern Lake-
Including the city of Gravelly Valley Airport
136 PM PDT Tue Aug 18 2026
.TONIGHT...Partly cloudy until late tonight then becoming mostly
cloudy. Lows 59 to 69.
.WEDNESDAY...Sunny. Highs 86 to 101.
.WEDNESDAY NIGHT...Mostly clear. Lows 58 to 68.
.THURSDAY...Mostly sunny. Highs 84 to 99.
.THURSDAY NIGHT...Mostly cloudy. Lows 57 to 67.
.FRIDAY...Partly cloudy. Highs 78 to 93.
.FRIDAY NIGHT...Mostly clear. Lows 51 to 61.
.SATURDAY...Sunny. Highs 78 to 93.
.SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows 54 to 64.
Highs 81 to 96.
.MONDAY NIGHT...Partly cloudy. Lows 53 to 63.
.TUESDAY...Sunny. Highs 78 to 93.
&&
TEMPERATURE / PRECIPITATION
Lake Pillsbury 52 100 51 97 / 0 0 0 0
$$
CAZ116-191400-
Northwestern and Central Trinity-
Including the cities of Weaverville, Douglas City, Helena,
Junction City, Big Bar, Del Loma, and Burnt Ranch
136 PM PDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. Patchy smoke in the evening. Lows 58 to
68. West wind around 10 mph shifting to the north overnight.
.WEDNESDAY...Sunny. Highs 93 to 108. East wind around 5 mph
shifting to the southwest in the afternoon.
.WEDNESDAY NIGHT...Clear. Lows 57 to 67. West wind around 10 mph
shifting to the northeast overnight.
.THURSDAY...Sunny. Highs 90 to 105. Southeast wind around 10 mph.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 56 to 66. Highs
90 to 105. South wind up to 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 48 to 58.
.SATURDAY THROUGH SUNDAY...Clear. Highs 87 to 102. Lows 50 to 60.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 53 to 63.
Highs 87 to 102.
&&
TEMPERATURE / PRECIPITATION
Big Bar 60 104 59 101 / 0 0 0 0
Weaverville 60 99 59 97 / 0 0 0 0
$$
CAZ117-191400-
Northeastern Trinity-
Including the cities of Carrville and Trinity Center
136 PM PDT Tue Aug 18 2026
.TONIGHT...Mostly clear until late tonight then becoming mostly
cloudy. Lows 56 to 66. Northwest wind around 10 mph shifting to
the north overnight.
.WEDNESDAY...Sunny. Highs 85 to 100. Northeast wind around 5 mph
shifting to the south in the afternoon.
.WEDNESDAY NIGHT...Clear. Lows 56 to 66. Southwest wind around
10 mph shifting to the north overnight.
.THURSDAY...Sunny. Highs 82 to 97. Southeast wind around 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows 55 to 65. South wind around
10 mph.
.FRIDAY...Mostly cloudy. Highs 78 to 93. South wind around
15 mph.
.FRIDAY NIGHT...Partly cloudy in the evening then clearing. Lows
49 to 59.
.SATURDAY THROUGH SUNDAY...Clear. Highs 80 to 95. Lows 49 to 59.
.SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 52 to 62.
Highs 80 to 95.
&&
TEMPERATURE / PRECIPITATION
Trinity Center 61 98 60 95 / 0 0 0 0
$$
CAZ118-191400-
Western Lake-
Including the cities of Finley, Knobcone Camp, Lakeport,
Soda Bay, Lucerne, Nice, and Saratoga Springs
136 PM PDT Tue Aug 18 2026
.TONIGHT...Partly cloudy. Lows 62 to 72. Northwest wind around
10 mph.
.WEDNESDAY...Sunny. Highs 88 to 98. Southeast wind around 5 mph
shifting to the southwest in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 59 to 69. Northwest wind
around 10 mph.
.THURSDAY...Mostly sunny. Highs 84 to 94. West wind around
10 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows 57 to 67. Northwest wind
around 10 mph.
.FRIDAY...Partly cloudy. Highs 80 to 90. West wind around 10 mph.
.FRIDAY NIGHT...Mostly clear. Lows 52 to 62.
.SATURDAY...Sunny. Highs 80 to 90.
.SATURDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 56 to 66.
Highs 79 to 93.
&&
TEMPERATURE / PRECIPITATION
Lakeport 62 93 59 90 / 0 0 0 0
$$
CAZ119-191400-
Southwestern Lake-
Including the cities of Kelseyville, Mount Konocti, Adams,
Anderson Springs, Cobb, Ettawa Springs, and Forest Lake
136 PM PDT Tue Aug 18 2026
.TONIGHT...Partly cloudy until late tonight then becoming mostly
cloudy. Lows 62 to 72. West wind around 10 mph.
.WEDNESDAY...Sunny. Highs 84 to 97. Northeast wind around 5 mph
shifting to the southwest in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 60 to 70. West wind around
10 mph.
.THURSDAY...Mostly sunny. Highs 82 to 95. West wind around
10 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows 61 to 71. West wind around
10 mph.
.FRIDAY...Partly cloudy. Highs 79 to 91. West wind around 10 mph.
.FRIDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 56 to 66.
Highs 76 to 91.
.TUESDAY...Mostly sunny. Highs 75 to 87.
$$
CAZ120-191400-
Eastern Lake-
Including the cities of Clearlake, Clearlake Park,
Hidden Valley Lake, and Middletown
136 PM PDT Tue Aug 18 2026
.TONIGHT...Partly cloudy until late tonight then becoming mostly
cloudy. Lows 61 to 71. West wind around 10 mph.
.WEDNESDAY...Sunny. Highs 90 to 100. Northeast wind around 5 mph
shifting to the south in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows 59 to 69. West wind around
10 mph.
.THURSDAY...Mostly sunny. Highs 88 to 98. Southwest wind around
10 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Lows 59 to 69. Highs
84 to 98. West wind 5 to 15 mph.
.FRIDAY NIGHT...Mostly clear. Lows 53 to 63.
.SATURDAY AND SATURDAY NIGHT...Clear. Highs 84 to 94. Lows 54 to
64.
.SUNDAY THROUGH TUESDAY...Mostly clear. Highs 81 to 95. Lows
55 to 65.
&&
TEMPERATURE / PRECIPITATION
Middletown 58 95 56 93 / 0 0 0 0
Clearlake 62 97 60 95 / 0 0 0 0
$$