Zone Forecast Product
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
297
FPUS56 KEKA 212103
ZFPEKA
Zone Forecast Product for California
National Weather Service Eureka CA
203 PM PDT Fri Aug 21 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, Saturday, Saturday night, and Sunday.
CAZ101-221215-
Coastal Del Norte-
Including the cities of Ft Dick, Crescent City, and Smith River
203 PM PDT Fri Aug 21 2026
.TONIGHT...Mostly cloudy. Patchy fog. Lows 46 to 56. South wind
around 5 mph in the evening becoming light.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog in the morning. Highs 60 to 70. Light winds
becoming west around 5 mph in the afternoon.
.SATURDAY NIGHT...Mostly cloudy. Patchy fog. Lows 47 to 57.
Northwest wind around 5 mph shifting to the northeast overnight.
.SUNDAY...Partly cloudy. Patchy fog. Highs 64 to 78. Northwest
wind around 15 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 50 to 60. Northeast wind
around 10 mph.
.MONDAY...Mostly cloudy. Patchy fog. Highs 62 to 73. Southwest
wind around 5 mph.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Patchy fog. Lows 48 to 58.
.TUESDAY THROUGH WEDNESDAY...Mostly cloudy. Areas of fog. Highs
60 to 71. Lows 47 to 57.
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Patchy fog. Lows 47 to 57.
.THURSDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog. Highs 61 to 71.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Patchy fog. Lows 46 to 56.
.FRIDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog. Highs 61 to 71.
&&
TEMPERATURE / PRECIPITATION
Crescent City 52 62 53 64 / 0 0 0 0
Klamath 51 64 52 67 / 0 0 0 0
$$
CAZ102-221215-
Interior Del Norte-
Including the city of Gasquet
203 PM PDT Fri Aug 21 2026
.TONIGHT...Partly cloudy. Patchy valley fog overnight. Lows 45 to
55.
.SATURDAY...Mostly sunny. Highs 64 to 79.
.SATURDAY NIGHT...Partly cloudy. Patchy valley fog in the
evening. Lows 45 to 55.
.SUNDAY...Sunny. Highs 75 to 90.
.SUNDAY NIGHT...Mostly clear. Lows 54 to 64.
.MONDAY...Mostly sunny. Highs 75 to 90.
.MONDAY NIGHT...Mostly clear. Lows 52 to 62.
.TUESDAY...Mostly sunny. Highs 71 to 86.
.TUESDAY NIGHT...Partly cloudy. Patchy valley fog. Lows 49 to 59.
.WEDNESDAY...Mostly sunny. Highs 70 to 85.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 48 to 58.
Highs 70 to 85.
&&
TEMPERATURE / PRECIPITATION
Gasquet 48 75 48 88 / 0 0 0 0
$$
CAZ103-221215-
Northern Coastal Humboldt-
Including the cities of Eureka, Samoa, Arcata, Arcata Arpt,
Fieldbrook, Fernbridge, and Fortuna
203 PM PDT Fri Aug 21 2026
.TONIGHT...Mostly cloudy. Patchy fog. Lows 47 to 57. Northwest
wind around 10 mph in the evening becoming light.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog in the morning. Highs 62 to 72. Light winds
becoming northwest around 10 mph in the afternoon.
.SATURDAY NIGHT...Mostly cloudy. Patchy fog overnight. Lows 49 to
59. North wind around 10 mph.
.SUNDAY...Mostly cloudy. Patchy fog. Highs 62 to 76. Northwest
wind around 10 mph.
.SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows 49 to 59. North
wind around 10 mph.
.MONDAY...Mostly cloudy. Highs 64 to 79. West wind around 5 mph.
.MONDAY NIGHT THROUGH FRIDAY...Mostly cloudy. Patchy fog. Lows
47 to 57. Highs 64 to 79.
&&
TEMPERATURE / PRECIPITATION
McKinleyville 51 62 52 64 / 0 0 0 0
Arcata 53 65 54 66 / 0 0 0 0
Eureka 54 63 55 63 / 0 0 0 0
Fortuna 53 67 54 68 / 0 0 0 0
$$
CAZ104-221215-
Southwestern Humboldt-
Including the cities of Honeydew, Petrolia, Briceland,
Ettersburg, Shelter Cove, and Whitethorn
203 PM PDT Fri Aug 21 2026
.TONIGHT...Partly cloudy. Patchy fog overnight. Lows 47 to 57.
Northwest wind around 10 mph.
.SATURDAY...Sunny. Patchy fog in the morning. Highs 72 to 87.
Northwest wind around 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows 50 to 60. North wind 5 to
15 mph.
.SUNDAY...Sunny. Highs 80 to 95. North wind around 15 mph.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 52 to 62. Highs
80 to 95. South wind 5 to 15 mph.
.MONDAY NIGHT...Partly cloudy. Patchy fog. Lows 50 to 60.
.TUESDAY THROUGH FRIDAY...Partly cloudy. Highs 76 to 91. Lows
49 to 59.
&&
TEMPERATURE / PRECIPITATION
Honeydew 50 79 52 85 / 0 0 0 0
$$
CAZ105-221215-
Northeastern Interior Humboldt-
Including the cities of Hoopa, Orleans, Weitchpec,
and Willow Creek
203 PM PDT Fri Aug 21 2026
.TONIGHT...Partly cloudy. Patchy valley fog overnight. Lows 47 to
57.
.SATURDAY...Sunny. Patchy valley fog in the morning. Highs 75 to
90.
.SATURDAY NIGHT...Partly cloudy. Lows 47 to 57.
.SUNDAY...Sunny. Highs 87 to 102.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 53 to 63. Highs
87 to 102.
.MONDAY NIGHT...Mostly clear. Patchy valley fog. Lows 51 to 61.
.TUESDAY...Mostly sunny. Highs 82 to 97.
.TUESDAY NIGHT...Partly cloudy. Patchy valley fog. Lows 49 to 59.
.WEDNESDAY...Mostly sunny. Highs 81 to 96.
.WEDNESDAY NIGHT...Mostly clear. Patchy valley fog. Lows 48 to
58.
.THURSDAY...Mostly sunny. Highs 82 to 97.
.THURSDAY NIGHT...Mostly clear. Lows 47 to 57.
.FRIDAY...Mostly sunny. Highs 79 to 94.
&&
TEMPERATURE / PRECIPITATION
Orleans 53 88 53 96 / 10 0 0 0
Hoopa 53 86 53 95 / 10 0 0 0
Willow Creek 53 89 53 97 / 10 0 0 0
$$
CAZ106-221215-
Southeastern Interior Humboldt-
Including the cities of Bull Creek, Pepperwood, Shively,
Dinsmore, Bridgeville, Alderpoint, and Benbow
203 PM PDT Fri Aug 21 2026
.TONIGHT...Partly cloudy. Patchy valley fog overnight. Lows 45 to
55.
.SATURDAY...Sunny. Patchy valley fog in the morning. Highs 74 to
89.
.SATURDAY NIGHT...Partly cloudy. Lows 46 to 56.
.SUNDAY...Sunny. Highs 81 to 96.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 52 to 62. Highs
81 to 96.
.MONDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 48 to 58.
Highs 79 to 94.
&&
TEMPERATURE / PRECIPITATION
Garberville 51 86 51 94 / 0 0 0 0
$$
CAZ108-221215-
Southern Trinity-
Including the cities of Forest Glen, Hayfork, Hyampom, Peanut,
Ruth, and Zenia
203 PM PDT Fri Aug 21 2026
.TONIGHT...Mostly clear. Lows 46 to 56.
.SATURDAY...Sunny. Highs 75 to 90.
.SATURDAY NIGHT...Mostly clear. Lows 47 to 57.
.SUNDAY...Sunny. Highs 83 to 98.
.SUNDAY NIGHT...Partly cloudy. Lows 52 to 62.
.MONDAY...Sunny. Highs 83 to 98.
.MONDAY NIGHT...Clear in the evening then becoming partly cloudy.
Lows 50 to 60.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Highs 82 to 97. Lows
50 to 60.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 48 to 58.
Highs 81 to 96.
&&
TEMPERATURE / PRECIPITATION
Hayfork 46 90 45 98 / 10 0 0 0
Ruth 45 84 45 92 / 10 0 0 0
$$
CAZ109-221215-
Coastal Mendocino-
Including the cities of Fort Bragg and Rockport
203 PM PDT Fri Aug 21 2026
.TONIGHT...Partly cloudy early in the evening then becoming
mostly cloudy. Lows 45 to 55. Northwest wind 5 to 15 mph.
.SATURDAY...Mostly sunny. Patchy fog in the morning. Highs 67 to
82. Northwest wind 5 to 15 mph.
.SATURDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 47 to
57. North wind 5 to 15 mph.
.SUNDAY...Sunny. Patchy fog. Highs 73 to 88. Northwest wind
around 10 mph.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Patchy fog. Lows 48 to
58. Highs 73 to 88. Southwest wind around 10 mph.
.MONDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Areas of fog. Lows 46 to 56.
.TUESDAY...Mostly cloudy in the morning then becoming partly
cloudy. Patchy fog. Highs 63 to 78.
.TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Patchy fog. Lows
46 to 56. Highs 70 to 85.
&&
TEMPERATURE / PRECIPITATION
Fort Bragg 50 65 51 67 / 0 0 0 0
Point Arena 51 59 51 61 / 0 0 0 0
$$
CAZ110-221215-
Northwestern Interior Mendocino-
Including the cities of Potter Valley and Willits
203 PM PDT Fri Aug 21 2026
.TONIGHT...Mostly clear. Lows 46 to 56.
.SATURDAY...Sunny. Highs 78 to 93.
.SATURDAY NIGHT...Mostly clear. Lows 48 to 58.
.SUNDAY...Sunny. Highs 86 to 101.
.SUNDAY NIGHT...Partly cloudy. Lows 52 to 62.
.MONDAY...Sunny. Highs 83 to 98.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy. Lows 50 to
60. Highs 83 to 98.
.THURSDAY THROUGH FRIDAY...Mostly clear. Highs 82 to 97. Lows
49 to 59.
&&
TEMPERATURE / PRECIPITATION
Leggett 50 80 52 86 / 0 0 0 0
Laytonville 50 83 52 89 / 0 0 0 0
Willits 47 79 50 88 / 0 0 0 0
$$
CAZ111-221215-
Northeastern Interior Mendocino-
Including the city of Covelo
203 PM PDT Fri Aug 21 2026
.TONIGHT...Mostly clear. Lows 48 to 58.
.SATURDAY...Sunny. Highs 78 to 93.
.SATURDAY NIGHT...Mostly clear. Lows 51 to 61.
.SUNDAY...Sunny. Highs 83 to 98.
.SUNDAY NIGHT...Partly cloudy. Lows 54 to 64.
.MONDAY...Sunny. Highs 82 to 97.
.MONDAY NIGHT...Mostly clear. Lows 52 to 62.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Highs 82 to 97. Lows
52 to 62.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 52 to 62.
Highs 82 to 97.
&&
TEMPERATURE / PRECIPITATION
Covelo 50 88 52 94 / 0 0 0 0
$$
CAZ112-221215-
Southwestern Interior Mendocino-
Including the cities of Boonville, Philo, Comptche, and Yorkville
203 PM PDT Fri Aug 21 2026
.TONIGHT...Mostly clear early in the evening then becoming mostly
cloudy. Lows 46 to 56.
.SATURDAY...Partly cloudy in the morning then clearing. Patchy
valley fog in the morning. Highs 72 to 87.
.SATURDAY NIGHT...Partly cloudy. Patchy valley fog overnight.
Lows 48 to 58.
.SUNDAY...Sunny. Patchy valley fog. Highs 77 to 92.
.SUNDAY NIGHT...Partly cloudy. Lows 49 to 59.
.MONDAY...Mostly sunny. Patchy valley fog. Highs 74 to 89.
.MONDAY NIGHT THROUGH THURSDAY...Partly cloudy. Patchy valley
fog. Lows 48 to 58. Highs 75 to 90.
.THURSDAY NIGHT...Mostly clear. Patchy valley fog. Lows 48 to 58.
.FRIDAY...Mostly sunny. Patchy valley fog. Highs 74 to 89.
&&
TEMPERATURE / PRECIPITATION
Boonville 49 81 51 90 / 0 10 0 0
$$
CAZ113-221215-
Southeastern Interior Mendocino-
Including the cities of Calpella, Hopland, Redwood Valley,
Talmage, and Ukiah
203 PM PDT Fri Aug 21 2026
.TONIGHT...Mostly clear. Lows 49 to 59.
.SATURDAY...Sunny. Highs 74 to 89.
.SATURDAY NIGHT...Partly cloudy. Lows 51 to 61.
.SUNDAY...Sunny. Highs 81 to 96.
.SUNDAY NIGHT...Partly cloudy. Lows 55 to 65.
.MONDAY...Sunny. Highs 80 to 95.
.MONDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows 53 to 63.
Highs 80 to 95.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 52 to 62. Highs
78 to 93.
&&
TEMPERATURE / PRECIPITATION
Ukiah 55 87 56 94 / 0 0 0 0
$$
CAZ114-221215-
Northern Lake-
Including the city of Gravelly Valley Airport
203 PM PDT Fri Aug 21 2026
.TONIGHT...Mostly clear. Lows 50 to 60.
.SATURDAY...Sunny. Highs 78 to 93.
.SATURDAY NIGHT...Partly cloudy. Lows 52 to 62.
.SUNDAY...Sunny. Highs 83 to 98.
.SUNDAY NIGHT...Partly cloudy. Lows 55 to 65.
.MONDAY...Sunny. Highs 82 to 97.
.MONDAY NIGHT THROUGH WEDNESDAY...Partly cloudy. Lows 53 to 63.
Highs 82 to 97.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 53 to 63.
Highs 85 to 100.
&&
TEMPERATURE / PRECIPITATION
Lake Pillsbury 45 93 47 97 / 0 0 0 0
$$
CAZ116-221215-
Northwestern and Central Trinity-
Including the cities of Weaverville, Douglas City, Helena,
Junction City, Big Bar, Del Loma, and Burnt Ranch
203 PM PDT Fri Aug 21 2026
.TONIGHT...Clear. Lows 49 to 59. West wind around 10 mph.
.SATURDAY...Sunny. Highs 82 to 97. West wind around 10 mph.
.SATURDAY NIGHT...Mostly clear. Lows 49 to 59. Northwest wind
around 10 mph.
.SUNDAY...Sunny. Highs 90 to 105. East wind around 5 mph.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 55 to 65. Highs
90 to 105. Southeast wind up to 10 mph.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows 54 to
64. Highs 90 to 105.
.WEDNESDAY...Mostly sunny. Highs 87 to 102.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 51 to 61.
Highs 87 to 102.
&&
TEMPERATURE / PRECIPITATION
Big Bar 52 92 53 102 / 10 0 0 0
Weaverville 54 91 53 95 / 10 0 0 0
$$
CAZ117-221215-
Northeastern Trinity-
Including the cities of Carrville and Trinity Center
203 PM PDT Fri Aug 21 2026
.TONIGHT...Partly cloudy early in the evening then becoming
clear. Lows 49 to 59. South wind 5 to 15 mph.
.SATURDAY...Sunny. Highs 79 to 94. Southwest wind around 10 mph.
.SATURDAY NIGHT...Clear. Lows 49 to 59. West wind around 10 mph
shifting to the northwest overnight.
.SUNDAY...Sunny. Highs 81 to 96. East wind around 10 mph.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 53 to 63. Highs
81 to 96. Southeast wind around 10 mph.
.MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 52 to 62. Highs
80 to 95.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 51 to 61.
Highs 80 to 95.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 50 to 60.
Highs 80 to 95.
&&
TEMPERATURE / PRECIPITATION
Trinity Center 56 92 56 95 / 10 0 0 0
$$
CAZ118-221215-
Western Lake-
Including the cities of Finley, Knobcone Camp, Lakeport,
Soda Bay, Lucerne, Nice, and Saratoga Springs
203 PM PDT Fri Aug 21 2026
.TONIGHT...Mostly clear. Lows 50 to 60. West wind up to 10 mph.
.SATURDAY...Sunny. Highs 80 to 90. Northwest wind up to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows 53 to 63. Northwest wind up
to 10 mph.
.SUNDAY...Sunny. Highs 85 to 95. Southeast wind around 5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 59 to 69. Northwest wind
around 10 mph.
.MONDAY...Sunny. Highs 83 to 93. Southeast wind around 10 mph.
.MONDAY NIGHT THROUGH WEDNESDAY...Partly cloudy. Lows 55 to 65.
Highs 82 to 93.
.WEDNESDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows 55 to 65.
Highs 82 to 93.
&&
TEMPERATURE / PRECIPITATION
Lakeport 54 84 55 91 / 0 0 0 0
$$
CAZ119-221215-
Southwestern Lake-
Including the cities of Kelseyville, Mount Konocti, Adams,
Anderson Springs, Cobb, Ettawa Springs, and Forest Lake
203 PM PDT Fri Aug 21 2026
.TONIGHT...Mostly clear. Lows 54 to 64. West wind up to 10 mph.
.SATURDAY...Sunny. Highs 80 to 92. Northwest wind around 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows 56 to 66. Northwest wind up
to 10 mph.
.SUNDAY...Sunny. Highs 82 to 93. East wind around 5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 58 to 68. West wind around
10 mph.
.MONDAY...Sunny. Highs 79 to 91. South wind around 10 mph.
.MONDAY NIGHT THROUGH WEDNESDAY...Partly cloudy. Lows 56 to 66.
Highs 79 to 92.
.WEDNESDAY NIGHT...Mostly clear. Lows 57 to 67.
.THURSDAY...Mostly sunny. Highs 81 to 93.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 57 to 67. Highs
81 to 93.
$$
CAZ120-221215-
Eastern Lake-
Including the cities of Clearlake, Clearlake Park,
Hidden Valley Lake, and Middletown
203 PM PDT Fri Aug 21 2026
.TONIGHT...Partly cloudy early in the evening then becoming
clear. Lows 53 to 63. West wind up to 10 mph.
.SATURDAY...Sunny. Highs 84 to 95. West wind up to 10 mph.
.SATURDAY NIGHT...Partly cloudy. Lows 55 to 65. Northwest wind
around 10 mph.
.SUNDAY...Sunny. Highs 86 to 96. East wind around 5 mph.
.SUNDAY NIGHT...Partly cloudy. Lows 57 to 67. West wind around
5 mph.
.MONDAY...Sunny. Highs 85 to 95. South wind around 10 mph.
.MONDAY NIGHT...Mostly clear. Lows 54 to 64.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Highs 84 to 96. Lows
55 to 65.
.WEDNESDAY NIGHT...Mostly clear. Lows 55 to 65.
.THURSDAY...Mostly sunny. Highs 86 to 96.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 55 to 65. Highs
85 to 96.
&&
TEMPERATURE / PRECIPITATION
Middletown 52 91 53 92 / 0 0 0 0
Clearlake 55 90 56 94 / 0 0 0 0
$$