
Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >
913
FPUS56 KEKA 210837
ZFPEKA
Zone Forecast Product for California
National Weather Service Eureka CA
136 AM PDT Mon Sep 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 today, tonight, and Tuesday.
CAZ101-220200-
Coastal Del Norte-
Including the cities of Ft Dick, Crescent City, and Smith River
136 AM PDT Mon Sep 21 2026
.TODAY...Mostly cloudy. Slight chance of drizzle and patchy fog
in the morning. Highs 62 to 72. Light winds becoming west around
10 mph in the afternoon.
.TONIGHT...Mostly cloudy. Patchy fog. Lows 47 to 57. Southwest
wind around 5 mph in the evening becoming light.
.TUESDAY...Mostly cloudy in the morning then clearing. Patchy fog
in the morning. Highs 64 to 74. Northwest wind 5 to 15 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 46 to 56. North wind around
15 mph.
.WEDNESDAY...Partly cloudy. Highs 65 to 75. North wind around
10 mph.
.WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy. Lows 48 to 58.
Highs 62 to 75.
.THURSDAY NIGHT...Cloudy. Patchy fog. Chance of rain showers and
slight chance of thunderstorms. Lows 47 to 57.
.FRIDAY...Mostly cloudy. Chance of rain. Highs 60 to 70.
.FRIDAY NIGHT...Mostly cloudy. Lows 46 to 56.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 61 to 71.
.SATURDAY NIGHT...Mostly cloudy. Lows 45 to 55.
.SUNDAY...Mostly cloudy in the morning then becoming mostly
sunny. Highs 61 to 71.
&&
TEMPERATURE / PRECIPITATION
Crescent City 63 52 64 / 0 0 0
Klamath 64 51 66 / 0 0 0
$$
CAZ102-220200-
Interior Del Norte-
Including the city of Gasquet
136 AM PDT Mon Sep 21 2026
.TODAY...Mostly cloudy. Patchy valley fog in the morning. Highs
68 to 83.
.TONIGHT...Partly cloudy. Lows 48 to 58.
.TUESDAY...Partly cloudy in the morning then clearing. Highs
67 to 82.
.TUESDAY NIGHT...Mostly clear. Lows 45 to 55.
.WEDNESDAY...Mostly sunny. Highs 68 to 83.
.WEDNESDAY NIGHT...Partly cloudy. Lows 49 to 59.
.THURSDAY...Mostly cloudy. Highs 63 to 78.
.THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms. Lows 45 to 55.
.FRIDAY...Mostly cloudy in the morning then becoming partly
cloudy. Slight chance of rain. Highs 59 to 74.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Partly cloudy. Lows 43 to
53. Highs 63 to 78.
.SUNDAY...Sunny. Highs 63 to 78.
&&
TEMPERATURE / PRECIPITATION
Gasquet 80 51 82 / 0 0 0
$$
CAZ103-220200-
Northern Coastal Humboldt-
Including the cities of Eureka, Samoa, Arcata, Arcata Arpt,
Fieldbrook, Fernbridge, and Fortuna
136 AM PDT Mon Sep 21 2026
.TODAY...Cloudy. Slight chance of drizzle and patchy fog in the
morning. Highs 60 to 70. Northwest wind around 10 mph.
.TONIGHT...Mostly cloudy. Patchy fog. Lows 47 to 57. Northwest
wind around 10 mph.
.TUESDAY...Mostly cloudy. Patchy fog in the morning. Highs 60 to
70. Northwest wind 5 to 15 mph.
.TUESDAY NIGHT...Mostly cloudy. Patchy fog. Lows 46 to 56. North
wind around 15 mph.
.WEDNESDAY...Mostly cloudy. Patchy fog. Highs 63 to 73. North
wind around 10 mph.
.WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy. Lows 46 to 56.
Highs 63 to 74.
.THURSDAY NIGHT...Mostly cloudy. Patchy fog. Slight chance of
rain. Lows 48 to 58.
.FRIDAY...Mostly cloudy. Patchy fog. Chance of rain. Highs 60 to
70.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 45 to 55.
.SATURDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 60 to 70.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows 44 to 54.
.SUNDAY...Mostly cloudy in the morning then becoming partly
cloudy. Highs 61 to 71.
&&
TEMPERATURE / PRECIPITATION
McKinleyville 62 51 63 / 0 0 0
Arcata 64 52 64 / 0 0 0
Eureka 62 54 63 / 0 0 0
Fortuna 64 53 65 / 10 10 10
$$
CAZ104-220200-
Southwestern Humboldt-
Including the cities of Honeydew, Petrolia, Briceland,
Ettersburg, Shelter Cove, and Whitethorn
136 AM PDT Mon Sep 21 2026
.TODAY...Mostly cloudy. Highs 66 to 81. North wind 5 to 15 mph.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows 47 to 57. North wind 5 to 15 mph with gusts at
higher elevations to around 30 mph.
.TUESDAY...Partly cloudy. Highs 66 to 81. North wind 5 to 15 mph
with gusts at higher elevations to around 30 mph.
.TUESDAY NIGHT...Partly cloudy. Lows 47 to 57. North wind 5 to
15 mph with gusts at higher elevations to around 35 mph.
.WEDNESDAY...Mostly sunny. Highs 71 to 86. North wind around
15 mph.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 47 to 57.
Highs 71 to 86.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Slight chance of rain. Lows 48 to 58.
.FRIDAY...Partly cloudy. Slight chance of rain. Highs 62 to 77.
.FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy. Lows 44 to 54.
Highs 65 to 80.
&&
TEMPERATURE / PRECIPITATION
Honeydew 74 51 71 / 0 0 0
$$
CAZ105-220200-
Northeastern Interior Humboldt-
Including the cities of Hoopa, Orleans, Weitchpec,
and Willow Creek
136 AM PDT Mon Sep 21 2026
.TODAY...Mostly cloudy. Patchy valley fog in the morning. Highs
77 to 92.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Patchy valley fog overnight. Lows 47 to 57.
.TUESDAY...Mostly sunny. Patchy valley fog in the morning. Highs
74 to 89.
.TUESDAY NIGHT...Partly cloudy. Lows 45 to 55.
.WEDNESDAY...Mostly sunny. Highs 75 to 90.
.WEDNESDAY NIGHT...Partly cloudy. Lows 47 to 57.
.THURSDAY...Partly cloudy in the morning then becoming mostly
cloudy. Highs 73 to 88.
.THURSDAY NIGHT...Mostly cloudy. Chance of rain. Lows 45 to 55.
.FRIDAY...Mostly cloudy in the morning then becoming partly
cloudy. Slight chance of rain. Highs 66 to 81.
.FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy. Lows 43 to 53.
Highs 71 to 86.
&&
TEMPERATURE / PRECIPITATION
Orleans 89 53 86 / 0 0 0
Hoopa 85 53 83 / 0 0 0
Willow Creek 88 53 85 / 0 0 0
$$
CAZ106-220200-
Southeastern Interior Humboldt-
Including the cities of Bull Creek, Pepperwood, Shively,
Dinsmore, Bridgeville, Alderpoint, and Benbow
136 AM PDT Mon Sep 21 2026
.TODAY...Mostly cloudy. Patchy dense valley fog in the morning.
Highs 71 to 86.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Patchy valley fog overnight. Lows 46 to 56.
.TUESDAY...Mostly sunny. Patchy valley fog in the morning. Highs
69 to 84.
.TUESDAY NIGHT...Partly cloudy. Lows 45 to 55.
.WEDNESDAY...Mostly sunny. Highs 73 to 88.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 47 to 57.
Highs 73 to 88.
.THURSDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Lows 45 to 55.
.FRIDAY...Mostly cloudy in the morning then clearing. Patchy
valley fog. Slight chance of rain. Highs 64 to 79.
.FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy. Lows 43 to 53.
Highs 68 to 83.
&&
TEMPERATURE / PRECIPITATION
Garberville 80 50 79 / 0 0 0
$$
CAZ108-220200-
Southern Trinity-
Including the cities of Forest Glen, Hayfork, Hyampom, Peanut,
Ruth, and Zenia
136 AM PDT Mon Sep 21 2026
.TODAY...Mostly cloudy early in the morning then becoming partly
cloudy. Highs 76 to 91.
.TONIGHT...Mostly cloudy in the evening then clearing. Lows 47 to
57.
.TUESDAY...Sunny. Highs 73 to 88.
.TUESDAY NIGHT...Mostly clear. Lows 45 to 55.
.WEDNESDAY...Sunny. Highs 75 to 90.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
45 to 55. Highs 75 to 90.
.FRIDAY THROUGH SATURDAY NIGHT...Partly cloudy. Highs 68 to 83.
Lows 42 to 52.
.SUNDAY...Sunny. Highs 68 to 83.
&&
TEMPERATURE / PRECIPITATION
Hayfork 91 45 87 / 0 0 0
Ruth 87 47 84 / 0 0 0
$$
CAZ109-220200-
Coastal Mendocino-
Including the cities of Fort Bragg and Rockport
136 AM PDT Mon Sep 21 2026
.TODAY...Mostly cloudy in the morning then becoming partly
cloudy. Slight chance of drizzle and patchy fog in the morning.
Highs 63 to 78. Northwest wind around 10 mph.
.TONIGHT...Partly cloudy. Patchy fog overnight. Lows 46 to 56.
North wind around 10 mph.
.TUESDAY...Partly cloudy in the morning then clearing. Patchy fog
in the morning. Highs 64 to 79. Northwest wind around 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows 46 to 56. North wind around
10 mph.
.WEDNESDAY...Mostly sunny. Patchy fog. Highs 68 to 83. Northwest
wind around 10 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
47 to 57. Highs 68 to 83.
.FRIDAY...Mostly cloudy in the morning then clearing. Highs 63 to
76.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Patchy fog. Lows
44 to 54. Highs 63 to 76.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 44 to 54. Highs
63 to 76.
&&
TEMPERATURE / PRECIPITATION
Fort Bragg 66 51 67 / 0 0 0
Point Arena 62 53 62 / 0 0 0
$$
CAZ110-220200-
Northwestern Interior Mendocino-
Including the cities of Potter Valley and Willits
136 AM PDT Mon Sep 21 2026
.TODAY...Partly cloudy in the morning then clearing. Highs 78 to
93.
.TONIGHT...Partly cloudy. Patchy valley fog overnight. Lows 46 to
56.
.TUESDAY...Sunny. Patchy valley fog in the morning. Highs 75 to
90.
.TUESDAY NIGHT...Mostly clear. Lows 45 to 55.
.WEDNESDAY...Sunny. Highs 78 to 93.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
47 to 57. Highs 78 to 93.
.FRIDAY THROUGH SUNDAY...Partly cloudy. Highs 71 to 86. Lows
44 to 54.
&&
TEMPERATURE / PRECIPITATION
Leggett 78 50 79 / 0 0 0
Laytonville 83 49 81 / 0 0 0
Willits 80 48 78 / 0 0 0
$$
CAZ111-220200-
Northeastern Interior Mendocino-
Including the city of Covelo
136 AM PDT Mon Sep 21 2026
.TODAY...Mostly cloudy early in the morning then clearing. Highs
82 to 97.
.TONIGHT...Partly cloudy. Lows 50 to 60.
.TUESDAY...Sunny. Highs 80 to 95.
.TUESDAY NIGHT...Mostly clear. Lows 49 to 59.
.WEDNESDAY...Sunny. Highs 81 to 96.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
48 to 58. Highs 81 to 96.
.FRIDAY THROUGH SUNDAY...Partly cloudy. Highs 73 to 88. Lows
44 to 54.
&&
TEMPERATURE / PRECIPITATION
Covelo 89 49 86 / 0 0 0
$$
CAZ112-220200-
Southwestern Interior Mendocino-
Including the cities of Boonville, Philo, Comptche, and Yorkville
136 AM PDT Mon Sep 21 2026
.TODAY...Mostly cloudy in the morning then clearing. Patchy
valley fog in the morning. Highs 71 to 86.
.TONIGHT...Partly cloudy. Patchy valley fog. Lows 47 to 57.
.TUESDAY...Mostly cloudy in the morning then clearing. Patchy
valley fog in the morning. Highs 71 to 86.
.TUESDAY NIGHT...Mostly clear. Patchy valley fog. Lows 46 to 56.
.WEDNESDAY...Mostly sunny. Patchy valley fog. Highs 75 to 90.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
49 to 59. Highs 75 to 90.
.FRIDAY...Mostly sunny. Highs 69 to 81.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Patchy valley fog.
Lows 45 to 55. Highs 69 to 82.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 44 to 54. Highs
69 to 82.
&&
TEMPERATURE / PRECIPITATION
Boonville 83 51 80 / 0 0 0
$$
CAZ113-220200-
Southeastern Interior Mendocino-
Including the cities of Calpella, Hopland, Redwood Valley,
Talmage, and Ukiah
136 AM PDT Mon Sep 21 2026
.TODAY...Sunny. Highs 76 to 91.
.TONIGHT...Partly cloudy. Lows 50 to 60.
.TUESDAY...Sunny. Highs 74 to 89.
.TUESDAY NIGHT...Mostly clear. Lows 49 to 59.
.WEDNESDAY...Sunny. Highs 78 to 93.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
53 to 63. Highs 78 to 93.
.FRIDAY...Mostly sunny. Highs 68 to 82.
.FRIDAY NIGHT...Mostly clear. Lows 48 to 58.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 71 to 86. Lows
48 to 58.
&&
TEMPERATURE / PRECIPITATION
Ukiah 88 54 86 / 0 0 0
$$
CAZ114-220200-
Northern Lake-
Including the city of Gravelly Valley Airport
136 AM PDT Mon Sep 21 2026
.TODAY...Sunny. Highs 78 to 93.
.TONIGHT...Mostly clear. Lows 51 to 61.
.TUESDAY...Sunny. Highs 77 to 92.
.TUESDAY NIGHT...Mostly clear. Lows 51 to 61.
.WEDNESDAY...Sunny. Highs 79 to 94.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
51 to 61. Highs 79 to 94.
.FRIDAY...Mostly sunny. Highs 69 to 84.
.FRIDAY NIGHT...Mostly clear. Lows 45 to 55.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs 71 to 86. Lows
45 to 55.
&&
TEMPERATURE / PRECIPITATION
Lake Pillsbury 92 47 91 / 0 0 0
$$
CAZ116-220200-
Northwestern and Central Trinity-
Including the cities of Weaverville, Douglas City, Helena,
Junction City, Big Bar, Del Loma, and Burnt Ranch
136 AM PDT Mon Sep 21 2026
.TODAY...Mostly cloudy. Highs 83 to 98. Northeast wind around
5 mph shifting to the west in the afternoon.
.TONIGHT...Mostly cloudy in the evening then clearing. Lows 49 to
59. Northwest wind around 5 mph.
.TUESDAY...Sunny. Highs 78 to 93. Northwest wind around 10 mph.
.TUESDAY NIGHT...Mostly clear. Lows 47 to 57. Northwest wind
around 10 mph.
.WEDNESDAY...Mostly sunny. Highs 79 to 94. Northwest wind around
5 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
47 to 57. Highs 79 to 94.
.FRIDAY THROUGH SATURDAY NIGHT...Partly cloudy. Highs 71 to 86.
Lows 44 to 54.
.SUNDAY...Sunny. Highs 71 to 86.
&&
TEMPERATURE / PRECIPITATION
Big Bar 93 52 88 / 0 0 0
Weaverville 92 53 89 / 0 0 0
$$
CAZ117-220200-
Northeastern Trinity-
Including the cities of Carrville and Trinity Center
136 AM PDT Mon Sep 21 2026
.TODAY...Mostly cloudy then becoming partly cloudy late in the
morning then becoming mostly cloudy. Highs 78 to 93. North wind
around 5 mph shifting to the south in the afternoon.
.TONIGHT...Mostly cloudy in the evening then clearing. Lows 47 to
57. North wind around 5 mph.
.TUESDAY...Mostly sunny. Highs 75 to 90. Northwest wind around
5 mph shifting to the southwest in the afternoon.
.TUESDAY NIGHT...Mostly clear. Lows 45 to 55. North wind around
10 mph.
.WEDNESDAY...Sunny. Highs 74 to 89. North wind around 5 mph.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows
45 to 55. Highs 74 to 89.
.FRIDAY THROUGH SATURDAY NIGHT...Partly cloudy. Highs 66 to 81.
Lows 41 to 51.
.SUNDAY...Sunny. Highs 66 to 81.
&&
TEMPERATURE / PRECIPITATION
Trinity Center 91 53 89 / 0 0 0
$$
CAZ118-220200-
Western Lake-
Including the cities of Finley, Knobcone Camp, Lakeport,
Soda Bay, Lucerne, Nice, and Saratoga Springs
136 AM PDT Mon Sep 21 2026
.TODAY...Sunny. Highs 80 to 90. North wind around 5 mph shifting
to the southwest in the afternoon.
.TONIGHT...Mostly clear. Lows 51 to 61. West wind around 10 mph.
.TUESDAY...Sunny. Highs 79 to 89. Northwest wind around 5 mph
shifting to the southwest in the afternoon.
.TUESDAY NIGHT...Clear. Lows 51 to 61. Northwest wind around
10 mph.
.WEDNESDAY...Sunny. Highs 81 to 91. South wind around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 56 to 66.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 80 to 90.
Lows 54 to 64.
.FRIDAY...Mostly sunny. Highs 72 to 82.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 48 to
58. Highs 72 to 85.
.SUNDAY...Mostly sunny. Highs 73 to 83.
&&
TEMPERATURE / PRECIPITATION
Lakeport 85 53 85 / 0 0 0
$$
CAZ119-220200-
Southwestern Lake-
Including the cities of Kelseyville, Mount Konocti, Adams,
Anderson Springs, Cobb, Ettawa Springs, and Forest Lake
136 AM PDT Mon Sep 21 2026
.TODAY...Sunny. Highs 74 to 86. Northeast wind around 5 mph
shifting to the southwest in the afternoon.
.TONIGHT...Mostly clear. Lows 50 to 60. West wind around 10 mph.
.TUESDAY...Sunny. Highs 76 to 87. North wind around 5 mph
shifting to the southwest in the afternoon.
.TUESDAY NIGHT...Clear. Lows 53 to 63. Northwest wind around
10 mph.
.WEDNESDAY...Sunny. Highs 80 to 91. East wind around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 59 to 69.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 79 to 90.
Lows 57 to 67.
.FRIDAY...Mostly sunny. Highs 72 to 84.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 49 to
59. Highs 72 to 84.
.SUNDAY...Mostly sunny. Highs 72 to 83.
$$
CAZ120-220200-
Eastern Lake-
Including the cities of Clearlake, Clearlake Park,
Hidden Valley Lake, and Middletown
136 AM PDT Mon Sep 21 2026
.TODAY...Sunny. Highs 81 to 91. North wind around 5 mph shifting
to the south in the afternoon.
.TONIGHT...Mostly clear. Lows 50 to 60. West wind around 10 mph.
.TUESDAY...Sunny. Highs 81 to 91. Northeast wind around 5 mph
shifting to the south in the afternoon.
.TUESDAY NIGHT...Clear. Lows 52 to 62. West wind around 10 mph.
.WEDNESDAY...Sunny. Highs 83 to 93. Northeast wind around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows 56 to 66.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 82 to 93.
Lows 55 to 65.
.FRIDAY...Mostly sunny. Highs 76 to 86.
.FRIDAY NIGHT THROUGH SUNDAY...Mostly clear. Lows 49 to 59. Highs
75 to 87.
&&
TEMPERATURE / PRECIPITATION
Middletown 84 48 86 / 0 0 0
Clearlake 88 54 88 / 0 0 0
$$