Frost Advisory
Ends in 1 h 37 min
When
Until 9 AM PDT this morning.
Where
Humboldt Interior, Interior Del Norte, and Southwestern Humboldt.
Issued for this forecast zone · National Weather Service Eureka CA
What, impacts and precautionsHide details
What
Temperatures as low as 35 will result in frost formation.
Impacts
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Interior Del Norte; Southwestern Humboldt; Northeastern Interior Humboldt; Southeastern Interior Humboldt
See it on weather.gov (opens in a new tab)

Observed 7:00 AM PDT at KACV

Hoopa, CA weather

Clear and 37°3°.

Forecasts differ

Now 37°3°

Clear

Wind: Calm; Light through 7 PM
Dew point: 37°3°; Comfortable
Humidity: 100%; Air 37°3°, dew point 37°3° · fog or dew likely
UV index: 0Low; Moderate 12–4 PM · peak 4
Pressure: 30.08 inHg1019 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

6°3° cooler than this time yesterday (44°7° then, 38°3° now)

Good hours for

Above 60°16° today by noon
High 76°24° today at 4 PM
Drops 13°7° tonight 6–9 PM (69°21° → 56°13°)
Below 60°16° tonight after 8 PM
Rain tomorrow night from 11 PM (60%, 0.2 in5.1 mm)

This morningUp to 56°13° by 11 AM · Clear
This afternoonUp to 76°24° by 4 PM · Partly cloudy
TonightDown to 41°5° by 5 AM · Mostly cloudy
Tomorrow morningUp to 57°14° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 71°22° by 3 PM · rain chance 30% · Mostly cloudy
Tomorrow nightDown to 43°6° by 5 AM · Rain 11 PM–6 AM (60%)

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 7a	Clear	37°3° (likely 37°3° to 47°8°)	37°3°	0%	1 mph2 km/h from NE, gusts 3 mph5 km/h	82%	3%	0
Sat 8a	Sunny	38°3° (likely 37°3° to 48°9°)	38°3°	0%	1 mph2 km/h from WSW, gusts 4 mph6 km/h	81%	4%	0
Sat 9a	Mostly sunny	41°5° (likely 41°5° to 49°9°)	41°5°	0%	1 mph2 km/h from WSW, gusts 4 mph7 km/h	77%	14%	0
Sat 10a	Sunny	50°10° (likely 48°9° to 57°14°)	50°10°	0%	1 mph2 km/h from WSW, gusts 3 mph5 km/h	50%	7%	1
Sat 11a	Sunny	56°13° (likely 54°12° to 64°18°)	56°13°	0%	1 mph2 km/h from W, gusts 3 mph6 km/h	39%	3%	2
Sat 12p	Sunny	62°17° (likely 60°16° to 69°21°)	62°17°	0%	1 mph2 km/h from W, gusts 4 mph6 km/h	31%	3%	3
Sat 1p	Sunny	69°21° (likely 64°18° to 72°22°)	69°21°	0%	1 mph2 km/h from W, gusts 4 mph7 km/h	25%	42%	4
Sat 2p	Sunny	73°23° (likely 66°19° to 74°23°)	73°23°	0%	2 mph3 km/h from NW, gusts 4 mph6 km/h	21%	41%	3
Sat 3p	Sunny	75°24° (likely 67°19° to 75°24°)	75°24°	0%	2 mph3 km/h from NW, gusts 4 mph6 km/h	21%	41%	3
Sat 4p	Sunny	76°24° (likely 66°19° to 76°24°)	76°24°	0%	2 mph3 km/h from NW, gusts 5 mph8 km/h	23%	40%	2
Sat 5p	Sunny	74°23° (likely 64°18° to 74°23°)	74°23°	0%	3 mph5 km/h from N, gusts 6 mph10 km/h	29%	36%	1
Sat 6p	Clear	69°21° (likely 59°15° to 69°21°)	69°21°	0%	3 mph5 km/h from N, gusts 6 mph10 km/h	35%	37%	0
Sat 7p	Partly cloudy	65°18° (likely 54°12° to 65°18°)	65°18°	0%	3 mph5 km/h from N, gusts 4 mph6 km/h	43%	44%	0
Sat 8p	Clear	56°13° (likely 51°11° to 60°16°)	56°13°	0%	2 mph3 km/h from NNE, gusts 2 mph3 km/h	51%	40%	0
Sat 9p	Partly cloudy	54°12° (likely 49°9° to 59°15°)	54°12°	0%	2 mph3 km/h from NNE, gusts 1 mph2 km/h	55%	48%	0
Sat 10p	Cloudy	52°11° (likely 48°9° to 58°14°)	52°11°	0%	2 mph3 km/h from NNE, gusts 2 mph3 km/h	59%	66%	0
Sat 11p	Cloudy	50°10° (likely 45°7° to 56°13°)	49°9°	0%	2 mph3 km/h from N, gusts 3 mph4 km/h	61%	71%	0
Sun 12a	Partly cloudy	48°9° (likely 44°7° to 55°13°)	47°8°	0%	2 mph3 km/h from N, gusts 3 mph5 km/h	65%	76%	0
Sun 1a	Partly cloudy	47°8° (likely 43°6° to 54°12°)	46°8°	0%	2 mph3 km/h from N, gusts 3 mph5 km/h	65%	79%	0
Sun 2a	Partly cloudy	46°8° (likely 41°5° to 53°12°)	46°8°	0%	1 mph2 km/h from NNE, gusts 3 mph5 km/h	67%	70%	0
Sun 3a	Partly cloudy	43°6° (likely 41°5° to 52°11°)	43°6°	0%	1 mph2 km/h from NNE, gusts 3 mph5 km/h	69%	72%	0
Sun 4a	Partly cloudy	42°6° (likely 40°4° to 51°11°)	42°6°	0%	1 mph2 km/h from NNE, gusts 4 mph6 km/h	72%	64%	0
Sun 5a	Partly cloudy	41°5° (likely 39°4° to 51°11°)	41°5°	0%	1 mph2 km/h from ESE, gusts 4 mph7 km/h	73%	62%	0
Sun 6a	Partly cloudy	40°4° (likely 39°4° to 50°10°)	40°4°	0%	1 mph2 km/h from ESE, gusts 4 mph7 km/h	76%	72%	0
Sun 7a	Partly cloudy	39°4° (likely 39°4° to 48°9°)	39°4°	0%	1 mph2 km/h from ESE, gusts 4 mph7 km/h	78%	70%	0
Sun 8a	Partly sunny	40°4° (likely 39°4° to 47°8°)	40°4°	0%	2 mph3 km/h from E, gusts 4 mph7 km/h	76%	73%	0
Sun 9a	Partly sunny	44°7° (likely 44°7° to 50°10°)	44°7°	0%	2 mph3 km/h from E, gusts 4 mph7 km/h	69%	78%	0
Sun 10a	Cloudy	50°10° (likely 50°10° to 59°15°)	50°10°	0%	2 mph3 km/h from E, gusts 3 mph6 km/h	58%	83%	1
Sun 11a	Cloudy	57°14° (likely 55°13° to 65°18°)	57°14°	5%	0 mph0 km/h, gusts 5 mph7 km/h	48%	85%	2
Sun 12p	Cloudy	62°17° (likely 59°15° to 68°20°)	62°17°	5%	0 mph0 km/h, gusts 6 mph9 km/h	40%	87%	3
Sun 1p	Cloudy	66°19° (likely 61°16° to 69°21°)	66°19°	5%	0 mph0 km/h, gusts 7 mph11 km/h	34%	92%	4
Sun 2p	Partly sunny	70°21° (likely 61°16° to 71°22°)	70°21°	5%	2 mph3 km/h from WSW, gusts 8 mph13 km/h	31%	94%	3
Sun 3p	Partly sunny	71°22° (likely 60°16° to 71°22°)	71°22°	5%	2 mph3 km/h from WSW, gusts 12 mph19 km/h	30%	84%	3
Sun 4p	Partly sunny	71°22° (likely 58°14° to 71°22°)	71°22°	5%	2 mph3 km/h from WSW, gusts 12 mph19 km/h	32%	37%	2
Sun 5p	Sunny	69°21° (likely 56°13° to 69°21°)	69°21°	30%	5 mph8 km/h from W, gusts 12 mph19 km/h	37%	20%	1
Sun 6p	Clear	65°18° (likely 53°12° to 65°18°)	65°18°	30%	5 mph8 km/h from W, gusts 10 mph15 km/h	44%	0%	0
Sun 7p	Clear	60°16° (likely 49°9° to 60°16°)	60°16°	30%	5 mph8 km/h from W, gusts 7 mph12 km/h	52%	0%	0
Sun 8p	Clear	56°13° (likely 47°8° to 56°13°)	56°13°	30%	1 mph2 km/h from S, gusts 5 mph7 km/h	60%	0%	0
Sun 9p	Clear	53°12° (likely 45°7° to 53°12°)	53°12°	30%	1 mph2 km/h from S, gusts 4 mph7 km/h	66%	6%	0
Sun 10p	Clear	51°11° (likely 44°7° to 52°11°)	51°11°	30%	1 mph2 km/h from S, gusts 7 mph11 km/h	71%	32%	0
Sun 11p	Rain	50°10° (likely 44°7° to 52°11°)	48°9°	60%, 0.03 in0.8 mm	6 mph10 km/h from SSE, gusts 8 mph12 km/h	75%	46%	0
Mon 12a	Rain	49°9° (likely 47°8° to 53°12°)	46°8°	60%, 0.03 in0.8 mm	6 mph10 km/h from SSE, gusts 8 mph13 km/h	79%	90%	0
Mon 1a	Drizzle	48°9° (likely 48°9° to 53°12°)	45°7°	60%, 0.03 in0.8 mm	6 mph10 km/h from SSE, gusts 6 mph10 km/h	83%	99%	0
Mon 2a	Rain	47°8° (likely 47°8° to 53°12°)	47°8°	60%, 0.03 in0.8 mm	2 mph3 km/h from SSE, gusts 9 mph14 km/h	87%	98%	0
Mon 3a	Rain	46°8° (likely 46°8° to 52°11°)	46°8°	60%, 0.03 in0.8 mm	2 mph3 km/h from SSE, gusts 5 mph8 km/h	92%	99%	0
Mon 4a	Rain	44°7° (likely 44°7° to 52°11°)	44°7°	60%, 0.03 in0.8 mm	2 mph3 km/h from SSE, gusts 5 mph8 km/h	96%	96%	0
Mon 5a	Rain	43°6° (likely 43°6° to 51°11°)	43°6°	40%, 0.01 in0.3 mm	1 mph2 km/h from SSE, gusts 5 mph8 km/h	99%	99%	0
Mon 6a	Drizzle	42°6° (likely 42°6° to 51°11°)	42°6°	40%, 0.01 in0.3 mm	1 mph2 km/h from SSE, gusts 6 mph9 km/h	100%	97%	0

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Mostly sunny. High 77°25°, low 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 56°13°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 41°5°
  Dry
Official NWS forecast
Today: Patchy frost before 8am. Sunny, with a high near 77. Northwest wind around 3 mph.
Tonight: Partly cloudy, with a low around 39. North northeast wind around 3 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–77°25°
Low, likely
36°2°–44°7°
Wind
5 mph8 km/h, gusts 12 mph19 km/h
UV peak
4
Tomorrow, Oct 25. Rain. High 72°22°, low 40°4°. Rain 0.03 in0.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 40°4°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 71°22°
  30% chance
3. Evening
  6 PM–midnight
  Rain, 56°13°
  60% chance · 0.03 in0.8 mm
4. Overnight
  midnight–6 AM
  Rain, 43°6°
  60% chance · 0.16 in4.1 mm
Official NWS forecast
Day: A chance of rain after 5pm. Mostly sunny, with a high near 72. South wind 0 to 5 mph. Chance of precipitation is 30%.
Night: Rain likely before 5am, then a chance of rain and patchy fog. Mostly cloudy, with a low around 40. South wind 1 to 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
62°17°–72°22°
Low, likely
38°3°–47°8°
Wind
8 mph12 km/h, gusts 17 mph27 km/h
UV peak
4
Monday, Oct 26. Rain. High 64°18°, low 38°3°. Rain 0.23 in5.8 mm, 60% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 49°10°
  70% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 58°14°
  60% chance · 0.04 in0.9 mm
3. Evening
  6 PM–midnight
  Drizzle, 52°11°
  20% chance
4. Overnight
  midnight–6 AM
  Partly cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely and patchy fog. Partly sunny, with a high near 64. South southwest wind 1 to 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Night: A chance of rain before 5am, then patchy fog. Mostly cloudy, with a low around 38. East wind 1 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
54°12°–64°18°
Low, likely
38°3°–47°8°
Wind
6 mph9 km/h, gusts 16 mph26 km/h
Tuesday, Oct 27. Fog. High 67°19°, low 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 51°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 11am. Mostly sunny, with a high near 67.
Night: Patchy fog after 5am. Partly cloudy, with a low around 38.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–67°19°
Low, likely
37°3°–46°8°
Wind
7 mph12 km/h, gusts 21 mph34 km/h
UV peak
4
Wednesday, Oct 28. Fog. High 70°21°, low 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 11am. Mostly sunny, with a high near 70.
Night: Patchy fog after 5am. Partly cloudy, with a low around 39.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–70°21°
Low, likely
39°4°–48°9°
Wind
6 mph9 km/h, gusts 11 mph18 km/h
UV peak
4
Thursday, Oct 29. Fog. High 70°21°, low 39°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 45°7°
  20% chance
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 8am. Mostly sunny, with a high near 70.
Night: Patchy fog and a slight chance of rain after 5am. Partly cloudy, with a low around 39.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
53°12°–70°21°
Low, likely
36°2°–45°7°
Wind
7 mph11 km/h, gusts 19 mph30 km/h
UV peak
4
Friday, Oct 30. Rain. High 69°21°, low 39°4°. Rain 0.16 in4.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 56°13°
  20% chance · 0.08 in2.1 mm
3. Evening
  6 PM–midnight
  Clear, 44°7°
  20% chance · 0.11 in2.9 mm
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain and patchy fog. Mostly sunny, with a high near 69.
Night: A chance of rain before 8pm. Mostly cloudy, with a low around 39.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
50°10°–69°21°
Low, likely
33°1°–41°5°
Wind
6 mph9 km/h, gusts 21 mph34 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 57°14°, low 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 40°5°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 40°5°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–66°19°
Low, likely
32°0°–41°5°
Wind
4 mph6 km/h, gusts 16 mph26 km/h
UV peak
3
Sunday, Nov 1. Partly sunny. High 62°17°, low 38°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 44°7°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–76°24°
Low, likely
34°1°–44°7°
Wind
6 mph10 km/h, gusts 20 mph32 km/h
UV peak
4
Monday, Nov 2. Cloudy. High 61°16°, low 42°6°. Rain 0.24 in6.1 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 65°18°
  20% chance · 0.15 in3.7 mm
3. Evening
  6 PM–midnight
  Mostly clear, 47°8°
  20% chance · 0.2 in0.4 cm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
50°10°–75°24°
Low, likely
38°3°–49°9°
Wind
5 mph7 km/h, gusts 17 mph27 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 77°, low 39°.
Tomorrow
Dry, high 72°, low 40°, cooling off.
Monday
63% chance of rain, high 64°, low 38°, cooling off.
Rest of week
Mostly dry, highs 57–70°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (EKA) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Trinity River at Hoopa

2.4 mi

Below flood stage

Level: 11.2 ft
Flow: 639 cfs

Forecast peak 11.0 ft Sat 7 AM

Reading from Sat 6 AM · NWS gauge page

Klamath River at Orleans

18 mi

Below flood stage

Level: 2.2 ft
Flow: 1,780 cfs

Forecast peak 2.2 ft Sat 7 AM

Reading from Sat 5:30 AM · NWS gauge page

Mad River near Arcata

22 mi

Below flood stage

Level: 5.7 ft
Flow: 55 cfs

Forecast peak 5.7 ft Tue 2 AM

Reading from Sat 5:45 AM · NWS gauge page

Salmon River at Somes Bar

24 mi

Below flood stage

Level: 1.6 ft
Flow: 199 cfs

Forecast peak 1.7 ft Mon 2 PM

Reading from Sat 5:30 AM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 44 min; Losing 2 min 30 s a day; shortest Dec 21, 1 h 31 min less
Golden hour: 5:42–6:37 PM; Morning 7:19–8:14 AM
Blue hour: 6:37–6:48 PM; Morning 7:08–7:19 AM; first light 7:08 AM

Stars tonight? Poor

Clouds most of the night (about 62% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:56 AM · rises 5:21 PM
Full moon: Oct 25
New moon: Nov 8

Looking east from Hoopa. The highest point on the skyline is about 3,800 ft, 5 mi away.Skyline from USGS elevation data. Sky, sun and moon as they are now.

1 active weather alert

Frost Advisory

Hoopa, CA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Trinity River at Hoopa

Klamath River at Orleans

Mad River near Arcata

Salmon River at Somes Bar

Sun & moon

Sun

Stars tonight? Poor

Moon