FPUS56 KEKA 182037 ZFPEKA Zone Forecast Product for California National Weather Service Eureka CA 136 PM PDT Mon May 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, Tuesday, Tuesday night, and Wednesday. CAZ101-191400- Coastal Del Norte- Including the cities of Ft Dick, Crescent City, and Smith River 136 PM PDT Mon May 18 2026 .TONIGHT...Mostly clear. Lows 46 to 56. North wind 5 to 15 mph. .TUESDAY...Sunny. Highs 64 to 75. Northwest wind 5 to 15 mph. .TUESDAY NIGHT...Partly cloudy. Lows 47 to 57. North wind 5 to 15 mph. .WEDNESDAY...Sunny. Highs 64 to 75. North wind 10 to 20 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 47 to 57. North wind 10 to 20 mph. .THURSDAY...Sunny. Highs 65 to 77. North wind around 15 mph. .THURSDAY NIGHT...Mostly clear. Lows 49 to 59. .FRIDAY...Mostly sunny. Highs 64 to 76. .FRIDAY NIGHT...Mostly clear. Patchy fog. Lows 47 to 57. .SATURDAY...Partly cloudy. Patchy fog. Highs 60 to 70. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Lows 44 to 54. Highs 57 to 70. && TEMPERATURE / PRECIPITATION Crescent City 52 64 53 64 / 0 0 0 0 Klamath 49 67 51 67 / 0 0 0 0 $$ CAZ102-191400- Interior Del Norte- Including the city of Gasquet 136 PM PDT Mon May 18 2026 .TONIGHT...Mostly clear. Lows 42 to 52. .TUESDAY...Sunny. Highs 69 to 84. .TUESDAY NIGHT...Partly cloudy. Lows 46 to 56. .WEDNESDAY...Sunny. Highs 70 to 85. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 47 to 57. Highs 71 to 86. .THURSDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Lows 48 to 58. Highs 71 to 86. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 63 to 78. Lows 46 to 56. .MEMORIAL DAY...Mostly sunny. Slight chance of rain. Highs 58 to 72. && TEMPERATURE / PRECIPITATION Gasquet 50 84 53 85 / 0 0 0 0 $$ CAZ103-191400- Northern Coastal Humboldt- Including the cities of Eureka, Samoa, Arcata, Arcata Arpt, Fieldbrook, Fernbridge, and Fortuna 136 PM PDT Mon May 18 2026 .TONIGHT...Mostly clear. Patchy fog overnight. Lows 40 to 50. Northwest wind around 10 mph with gusts to around 25 mph. .TUESDAY...Sunny. Highs 62 to 72. Northwest wind 5 to 15 mph. .TUESDAY NIGHT...Partly cloudy. Patchy fog overnight. Lows 43 to 53. North wind around 10 mph. .WEDNESDAY...Mostly sunny. Patchy fog. Highs 61 to 71. North wind around 15 mph. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Patchy fog. Lows 43 to 53. Highs 61 to 75. Northwest wind 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Patchy fog. Lows 45 to 55. .FRIDAY...Partly cloudy. Highs 61 to 72. .FRIDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Patchy fog. Lows 43 to 53. Highs 57 to 72. && TEMPERATURE / PRECIPITATION McKinleyville 44 63 47 62 / 0 0 0 0 Arcata 44 66 48 64 / 0 0 0 0 Eureka 45 63 48 62 / 0 0 0 0 Fortuna 45 67 48 66 / 0 0 0 0 $$ CAZ104-191400- Southwestern Humboldt- Including the cities of Honeydew, Petrolia, Briceland, Ettersburg, Shelter Cove, and Whitethorn 136 PM PDT Mon May 18 2026 .TONIGHT...Mostly clear. Lows 42 to 52. North wind 10 to 20 mph. .TUESDAY...Sunny. Highs 70 to 85. North wind 5 to 15 mph with gusts at higher elevations to around 30 mph. .TUESDAY NIGHT...Partly cloudy. Lows 44 to 54. North wind 5 to 15 mph with gusts at higher elevations to around 30 mph. .WEDNESDAY...Sunny. Highs 70 to 85. North wind around 15 mph with gusts at higher elevations to around 30 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 44 to 54. North wind around 15 mph with gusts at higher elevations to around 30 mph. .THURSDAY...Sunny. Highs 74 to 89. North wind around 15 mph. .THURSDAY NIGHT...Mostly clear. Lows 46 to 56. .FRIDAY...Mostly sunny. Highs 68 to 83. .FRIDAY NIGHT...Mostly clear. Patchy fog. Lows 45 to 55. .SATURDAY THROUGH SUNDAY...Partly cloudy. Patchy fog. Highs 62 to 77. Lows 45 to 55. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy. Lows 43 to 53. Highs 60 to 75. && TEMPERATURE / PRECIPITATION Honeydew 45 77 47 76 / 0 0 0 0 $$ CAZ105-191400- Northeastern Interior Humboldt- Including the cities of Hoopa, Orleans, Weitchpec, and Willow Creek 136 PM PDT Mon May 18 2026 .TONIGHT...Mostly clear. Lows 40 to 50. .TUESDAY...Sunny. Highs 73 to 88. .TUESDAY NIGHT...Partly cloudy. Lows 44 to 54. .WEDNESDAY...Sunny. Highs 75 to 90. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 46 to 56. Highs 78 to 93. .THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 48 to 58. Highs 78 to 93. .FRIDAY NIGHT...Mostly clear. Patchy valley fog. Lows 47 to 57. .SATURDAY...Sunny. Highs 74 to 89. .SATURDAY NIGHT...Mostly clear. Patchy valley fog. Lows 46 to 56. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 71 to 86. Lows 45 to 55. .MEMORIAL DAY...Mostly sunny. Slight chance of rain. Highs 66 to 81. && TEMPERATURE / PRECIPITATION Orleans 48 86 52 89 / 0 0 0 0 Hoopa 47 85 51 86 / 0 0 0 0 Willow Creek 47 85 51 87 / 0 0 0 0 $$ CAZ106-191400- Southeastern Interior Humboldt- Including the cities of Bull Creek, Pepperwood, Shively, Dinsmore, Bridgeville, Alderpoint, and Benbow 136 PM PDT Mon May 18 2026 .TONIGHT...Mostly clear. Lows 40 to 50. .TUESDAY...Sunny. Highs 72 to 87. .TUESDAY NIGHT...Partly cloudy. Lows 44 to 54. .WEDNESDAY...Sunny. Highs 73 to 88. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 45 to 55. Highs 76 to 91. .THURSDAY NIGHT...Mostly clear. Lows 48 to 58. .FRIDAY...Mostly sunny. Highs 72 to 87. .FRIDAY NIGHT...Mostly clear. Patchy valley fog. Lows 47 to 57. .SATURDAY...Mostly sunny. Highs 68 to 83. .SATURDAY NIGHT...Mostly clear. Patchy valley fog. Lows 46 to 56. .SUNDAY...Mostly sunny. Patchy valley fog. Highs 65 to 80. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy. Lows 43 to 53. Highs 65 to 80. && TEMPERATURE / PRECIPITATION Garberville 44 84 48 84 / 0 0 0 0 $$ CAZ108-191400- Southern Trinity- Including the cities of Forest Glen, Hayfork, Hyampom, Peanut, Ruth, and Zenia 136 PM PDT Mon May 18 2026 .TONIGHT...Clear. Lows 39 to 49. .TUESDAY...Sunny. Highs 71 to 86. .TUESDAY NIGHT...Partly cloudy. Lows 44 to 54. .WEDNESDAY...Sunny. Highs 74 to 89. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 47 to 57. Highs 80 to 95. .THURSDAY NIGHT...Clear. Lows 48 to 58. .FRIDAY THROUGH SUNDAY NIGHT...Mostly clear. Highs 78 to 93. Lows 46 to 56. .MEMORIAL DAY...Sunny. Highs 67 to 82. && TEMPERATURE / PRECIPITATION Hayfork 38 86 44 89 / 0 0 0 0 Ruth 39 82 44 85 / 0 0 0 0 $$ CAZ109-191400- Coastal Mendocino- Including the cities of Fort Bragg and Rockport 136 PM PDT Mon May 18 2026 .TONIGHT...Mostly clear. Lows 43 to 53. North wind up to 10 mph with gusts to around 25 mph. .TUESDAY...Sunny. Highs 70 to 85. North wind around 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows 46 to 56. North wind around 10 mph. .WEDNESDAY...Sunny. Highs 70 to 85. Northwest wind around 5 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 45 to 55. Highs 70 to 85. Northwest wind around 10 mph. .THURSDAY NIGHT...Mostly clear. Patchy fog. Lows 46 to 56. .FRIDAY...Mostly sunny. Highs 62 to 76. .FRIDAY NIGHT...Partly cloudy. Areas of fog. Lows 43 to 53. .SATURDAY...Mostly sunny. Patchy fog. Highs 59 to 72. .SATURDAY NIGHT...Partly cloudy. Areas of fog. Lows 43 to 53. .SUNDAY THROUGH MEMORIAL DAY...Partly cloudy. Patchy fog. Highs 59 to 72. Lows 43 to 53. && TEMPERATURE / PRECIPITATION Fort Bragg 44 68 47 66 / 0 0 0 0 Point Arena 47 63 49 62 / 0 0 0 0 $$ CAZ110-191400- Northwestern Interior Mendocino- Including the cities of Potter Valley and Willits 136 PM PDT Mon May 18 2026 .TONIGHT...Clear. Lows 41 to 51. .TUESDAY...Sunny. Highs 74 to 89. .TUESDAY NIGHT...Mostly clear. Lows 46 to 56. .WEDNESDAY...Sunny. Highs 77 to 92. .WEDNESDAY NIGHT AND THURSDAY...Clear. Lows 48 to 58. Highs 80 to 95. .THURSDAY NIGHT...Clear. Lows 49 to 59. .FRIDAY...Sunny. Highs 78 to 93. .FRIDAY NIGHT...Mostly clear. Patchy valley fog. Lows 46 to 56. .SATURDAY...Sunny. Highs 74 to 89. .SATURDAY NIGHT...Mostly clear. Patchy valley fog. Lows 44 to 54. .SUNDAY THROUGH MEMORIAL DAY...Mostly clear. Highs 71 to 86. Lows 44 to 54. && TEMPERATURE / PRECIPITATION Leggett 46 83 49 84 / 0 0 0 0 Laytonville 45 82 49 84 / 0 0 0 0 Willits 45 82 49 84 / 0 0 0 0 $$ CAZ111-191400- Northeastern Interior Mendocino- Including the city of Covelo 136 PM PDT Mon May 18 2026 .TONIGHT...Clear. Lows 42 to 52. .TUESDAY...Sunny. Highs 75 to 90. .TUESDAY NIGHT...Partly cloudy. Lows 47 to 57. .WEDNESDAY...Sunny. Highs 77 to 92. .WEDNESDAY NIGHT...Mostly clear. Lows 50 to 60. .THURSDAY...Sunny. Highs 81 to 96. .THURSDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 49 to 59. Highs 81 to 96. .MEMORIAL DAY...Sunny. Highs 71 to 86. && TEMPERATURE / PRECIPITATION Covelo 43 83 48 86 / 0 0 0 0 $$ CAZ112-191400- Southwestern Interior Mendocino- Including the cities of Boonville, Philo, Comptche, and Yorkville 136 PM PDT Mon May 18 2026 .TONIGHT...Clear. Lows 43 to 53. .TUESDAY...Sunny. Highs 78 to 88. .TUESDAY NIGHT...Mostly clear. Lows 47 to 57. .WEDNESDAY...Sunny. Highs 77 to 88. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 47 to 57. Highs 77 to 91. .THURSDAY NIGHT...Mostly clear. Lows 48 to 58. .FRIDAY...Mostly sunny. Highs 72 to 87. .FRIDAY NIGHT...Mostly clear. Areas of valley fog. Lows 45 to 55. .SATURDAY...Partly cloudy in the morning then clearing. Patchy valley fog. Highs 66 to 81. .SATURDAY NIGHT...Partly cloudy. Areas of valley fog. Lows 44 to 54. .SUNDAY...Partly cloudy in the morning then clearing. Patchy valley fog. Highs 65 to 80. .SUNDAY NIGHT...Mostly clear. Patchy valley fog. Lows 44 to 54. .MEMORIAL DAY...Mostly sunny. Highs 66 to 80. && TEMPERATURE / PRECIPITATION Boonville 47 86 51 86 / 0 0 0 0 $$ CAZ113-191400- Southeastern Interior Mendocino- Including the cities of Calpella, Hopland, Redwood Valley, Talmage, and Ukiah 136 PM PDT Mon May 18 2026 .TONIGHT...Clear. Lows 47 to 57. .TUESDAY...Sunny. Highs 77 to 90. .TUESDAY NIGHT...Mostly clear. Lows 54 to 64. .WEDNESDAY...Sunny. Highs 78 to 92. .WEDNESDAY NIGHT AND THURSDAY...Clear. Lows 55 to 65. Highs 80 to 95. .THURSDAY NIGHT...Clear. Lows 54 to 64..FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 77 to 92. Lows 52 to 62. .SATURDAY THROUGH MEMORIAL DAY...Mostly clear. Highs 72 to 87. Lows 49 to 59. && TEMPERATURE / PRECIPITATION Ukiah 49 89 54 90 / 0 0 0 0 $$ CAZ114-191400- Northern Lake- Including the city of Gravelly Valley Airport 136 PM PDT Mon May 18 2026 .TONIGHT...Clear. Lows 44 to 54. .TUESDAY...Sunny. Highs 74 to 89. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 60. .WEDNESDAY...Sunny. Highs 76 to 91. .WEDNESDAY NIGHT AND THURSDAY...Clear. Lows 52 to 62. Highs 80 to 95. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 52 to 62. Highs 80 to 95. .SATURDAY...Sunny. Highs 75 to 90. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Lows 48 to 58. Highs 75 to 90. && TEMPERATURE / PRECIPITATION Lake Pillsbury 43 88 47 90 / 0 0 0 0 $$ CAZ116-191400- Northwestern and Central Trinity- Including the cities of Weaverville, Douglas City, Helena, Junction City, Big Bar, Del Loma, and Burnt Ranch 136 PM PDT Mon May 18 2026 .TONIGHT...Clear. Lows 40 to 50. Northwest wind around 15 mph shifting to the north overnight. .TUESDAY...Sunny. Highs 76 to 91. Northeast wind around 10 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 45 to 55. Northwest wind 5 to 15 mph. .WEDNESDAY...Sunny. Highs 80 to 95. Northwest wind around 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 49 to 59. Highs 84 to 99. Southeast wind 5 to 15 mph. .THURSDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 48 to 58. Highs 84 to 99. .MEMORIAL DAY...Sunny. Highs 71 to 86. && TEMPERATURE / PRECIPITATION Big Bar 45 87 50 90 / 0 0 0 0 Weaverville 44 84 49 88 / 0 0 0 0 $$ CAZ117-191400- Northeastern Trinity- Including the cities of Carrville and Trinity Center 136 PM PDT Mon May 18 2026 .TONIGHT...Clear. Lows 37 to 47. North wind 5 to 15 mph. .TUESDAY...Sunny. Highs 70 to 85. Northeast wind up to 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows 43 to 53. Northwest wind up to 10 mph. .WEDNESDAY...Sunny. Highs 73 to 88. North wind around 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 46 to 56. Highs 77 to 92. Northeast wind up to 10 mph. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 49 to 59. Highs 77 to 92. .SATURDAY...Sunny. Highs 74 to 89. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly clear. Lows 46 to 56. Highs 74 to 89. .MEMORIAL DAY...Sunny. Highs 69 to 84. && TEMPERATURE / PRECIPITATION Trinity Center 45 84 49 86 / 0 0 0 0 $$ CAZ118-191400- Western Lake- Including the cities of Finley, Knobcone Camp, Lakeport, Soda Bay, Lucerne, Nice, and Saratoga Springs 136 PM PDT Mon May 18 2026 .TONIGHT...Clear. Lows 47 to 57. Northwest wind around 10 mph. .TUESDAY...Sunny. Highs 78 to 88. Northeast wind around 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 53 to 63. Northwest wind around 10 mph. .WEDNESDAY...Sunny. Highs 80 to 90. South wind around 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Clear. Lows 54 to 64. Highs 80 to 94. South wind up to 10 mph. .THURSDAY NIGHT...Clear. Lows 55 to 65. .FRIDAY THROUGH MEMORIAL DAY...Mostly clear. Highs 76 to 91. Lows 52 to 62. && TEMPERATURE / PRECIPITATION Lakeport 48 84 52 85 / 0 0 0 0 $$ CAZ119-191400- Southwestern Lake- Including the cities of Kelseyville, Mount Konocti, Adams, Anderson Springs, Cobb, Ettawa Springs, and Forest Lake 136 PM PDT Mon May 18 2026 .TONIGHT...Clear. Lows 50 to 60. North wind up to 10 mph with gusts to around 25 mph. .TUESDAY...Sunny. Highs 78 to 88. Northeast wind around 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 54 to 64. Northwest wind around 10 mph. .WEDNESDAY...Sunny. Highs 79 to 89. Southeast wind around 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Clear. Lows 54 to 64. Highs 79 to 92. Southeast wind up to 10 mph. .THURSDAY NIGHT...Clear. Lows 53 to 63. .FRIDAY THROUGH MEMORIAL DAY...Mostly clear. Highs 74 to 88. Lows 50 to 60. $$ CAZ120-191400- Eastern Lake- Including the cities of Clearlake, Clearlake Park, Hidden Valley Lake, and Middletown 136 PM PDT Mon May 18 2026 .TONIGHT...Clear. Lows 49 to 59. North wind 5 to 15 mph. .TUESDAY...Sunny. Highs 79 to 89. North wind 5 to 15 mph. .TUESDAY NIGHT...Mostly clear. Lows 52 to 62. Northwest wind around 10 mph. .WEDNESDAY...Sunny. Highs 80 to 90. Southeast wind around 10 mph. .WEDNESDAY NIGHT AND THURSDAY...Clear. Lows 53 to 63. Highs 80 to 94. Southeast wind up to 10 mph. .THURSDAY NIGHT...Clear. Lows 53 to 63. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs 79 to 93. Lows 51 to 61. .SATURDAY NIGHT...Clear. Lows 47 to 57. .SUNDAY THROUGH MEMORIAL DAY...Mostly clear. Highs 77 to 88. Lows 48 to 58. && TEMPERATURE / PRECIPITATION Middletown 50 87 52 87 / 0 0 0 0 Clearlake 49 85 52 88 / 0 0 0 0 $$