Freeze Warning
Ends in 1 h 1 min
When
Until 9 AM PDT this morning.
Where
Trinity County, Northern Mendocino Interior, and Northern Lake.
Issued for this forecast zone · National Weather Service Eureka CA
What, impacts and precautionsHide details
What
Sub-freezing temperatures as low as 29 expected.
Impacts
Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Precautionary actions
Take steps now to protect tender plants from the cold.
Areas: Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
See it on weather.gov (opens in a new tab)

Model estimate for 7:00 AM PDT (no recent station report)

Hyampom, CA weather

Freeze Warning. 40°4° and clear now.

Forecasts differ

Now 40°4°

Clear

Wind: 3 mph5 km/h; From the east. Up to 5 mph8 km/h through 7 PM
Dew point: 22°−6°; Dry · up to 32°0° by 12 PM
UV index: 0Low; Moderate 12–4 PM · peak 4

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Above 60°16° today by 11 AM
High 78°26° today at 4 PM
Drops 12°7° tonight 6–9 PM (72°22° → 60°16°)
Below 60°16° tonight after 9 PM

This morningUp to 62°17° by 11 AM · Clear
This afternoonUp to 78°26° by 4 PM · Clear
TonightDown to 44°7° by 5 AM · Partly cloudy
Tomorrow morningUp to 62°17° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 73°23° by 3 PM · Mostly cloudy
Tomorrow nightDown to 46°8° by 5 AM · rain chance 30% · Partly cloudy

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	40°4° (likely 36°2° to 43°6°)	38°3°	0%	3 mph5 km/h from E, gusts 8 mph12 km/h	48%	2%	0
Sat 8a	Sunny	41°5° (likely 36°2° to 43°6°)	38°3°	0%	5 mph8 km/h from E, gusts 7 mph12 km/h	48%	2%	0
Sat 9a	Sunny	46°8° (likely 41°5° to 48°9°)	46°8°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	39%	2%	0
Sat 10a	Sunny	55°13° (likely 49°9° to 58°14°)	55°13°	0%	5 mph8 km/h from E, gusts 7 mph11 km/h	30%	4%	1
Sat 11a	Sunny	62°17° (likely 55°13° to 65°18°)	62°17°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	25%	4%	2
Sat 12p	Sunny	68°20° (likely 60°16° to 70°21°)	68°20°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	24%	2%	3
Sat 1p	Sunny	74°23° (likely 64°18° to 74°23°)	74°23°	0%	2 mph3 km/h from E, gusts 6 mph10 km/h	19%	4%	4
Sat 2p	Sunny	76°24° (likely 66°19° to 76°24°)	76°24°	0%	1 mph2 km/h from SSW, gusts 5 mph8 km/h	16%	5%	4
Sat 3p	Sunny	77°25° (likely 67°19° to 77°25°)	77°25°	0%	1 mph2 km/h from SSW, gusts 4 mph6 km/h	16%	42%	3
Sat 4p	Sunny	78°26° (likely 66°19° to 78°26°)	78°26°	0%	1 mph2 km/h from SSW, gusts 5 mph8 km/h	16%	35%	2
Sat 5p	Sunny	76°24° (likely 64°18° to 76°24°)	76°24°	0%	2 mph3 km/h from NW, gusts 8 mph13 km/h	22%	40%	2
Sat 6p	Clear	72°22° (likely 58°14° to 72°22°)	72°22°	0%	2 mph3 km/h from NW, gusts 11 mph17 km/h	29%	40%	1
Sat 7p	Clear	67°19° (likely 54°12° to 67°19°)	67°19°	0%	2 mph3 km/h from NW, gusts 8 mph13 km/h	33%	39%	0
Sat 8p	Clear	60°16° (likely 51°11° to 60°16°)	60°16°	0%	2 mph3 km/h from SSE, gusts 7 mph11 km/h	37%	40%	0
Sat 9p	Clear	58°14° (likely 49°9° to 58°14°)	58°14°	0%	2 mph3 km/h from SSE, gusts 5 mph9 km/h	37%	41%	0
Sat 10p	Clear	56°13° (likely 47°8° to 57°14°)	56°13°	0%	2 mph3 km/h from SSE, gusts 4 mph7 km/h	38%	41%	0
Sat 11p	Mostly clear	53°12° (likely 45°7° to 55°13°)	53°12°	0%	2 mph3 km/h from ESE, gusts 4 mph6 km/h	40%	51%	0
Sun 12a	Mostly clear	51°11° (likely 44°7° to 54°12°)	51°11°	0%	2 mph3 km/h from ESE, gusts 2 mph3 km/h	45%	53%	0
Sun 1a	Cloudy	49°9° (likely 43°6° to 53°12°)	48°9°	0%	2 mph3 km/h from ESE, gusts 3 mph4 km/h	43%	71%	0
Sun 2a	Partly cloudy	48°9° (likely 43°6° to 52°11°)	48°9°	0%	2 mph3 km/h from E, gusts 3 mph5 km/h	43%	75%	0
Sun 3a	Partly cloudy	46°8° (likely 42°6° to 52°11°)	46°8°	0%	2 mph3 km/h from E, gusts 3 mph5 km/h	44%	74%	0
Sun 4a	Cloudy	45°7° (likely 41°5° to 50°10°)	45°7°	0%	2 mph3 km/h from E, gusts 4 mph6 km/h	46%	70%	0
Sun 5a	Cloudy	44°7° (likely 40°4° to 50°10°)	44°7°	0%	1 mph2 km/h from ESE, gusts 4 mph6 km/h	46%	67%	0
Sun 6a	Partly cloudy	43°6° (likely 40°4° to 51°11°)	43°6°	0%	1 mph2 km/h from ESE, gusts 4 mph6 km/h	49%	65%	0
Sun 7a	Partly cloudy	43°6° (likely 39°4° to 52°11°)	43°6°	0%	1 mph2 km/h from ESE, gusts 4 mph7 km/h	50%	74%	0
Sun 8a	Cloudy	43°6° (likely 39°4° to 50°10°)	43°6°	0%	1 mph2 km/h from ESE, gusts 4 mph6 km/h	49%	68%	0
Sun 9a	Partly sunny	48°9° (likely 44°7° to 51°11°)	48°9°	0%	1 mph2 km/h from ESE, gusts 4 mph7 km/h	44%	77%	0
Sun 10a	Partly sunny	55°13° (likely 51°11° to 60°16°)	55°13°	0%	1 mph2 km/h from ESE, gusts 6 mph10 km/h	37%	77%	1
Sun 11a	Mostly sunny	62°17° (likely 55°13° to 65°18°)	62°17°	0%	0 mph0 km/h, gusts 7 mph12 km/h	30%	66%	2
Sun 12p	Mostly sunny	66°19° (likely 59°15° to 70°21°)	66°19°	0%	0 mph0 km/h, gusts 9 mph15 km/h	26%	79%	3
Sun 1p	Cloudy	70°21° (likely 61°16° to 73°23°)	70°21°	0%	0 mph0 km/h, gusts 11 mph18 km/h	23%	86%	3
Sun 2p	Cloudy	72°22° (likely 62°17° to 72°22°)	72°22°	0%	3 mph5 km/h from SW, gusts 15 mph24 km/h	22%	89%	4
Sun 3p	Partly sunny	73°23° (likely 62°17° to 73°23°)	73°23°	0%	3 mph5 km/h from SW, gusts 18 mph28 km/h	22%	89%	3
Sun 4p	Partly sunny	73°23° (likely 60°16° to 73°23°)	73°23°	0%	3 mph5 km/h from SW, gusts 18 mph28 km/h	23%	79%	2
Sun 5p	Partly sunny	71°22° (likely 58°14° to 71°22°)	71°22°	5%	3 mph5 km/h from WSW, gusts 17 mph28 km/h	26%	30%	1
Sun 6p	Clear	67°19° (likely 53°12° to 67°19°)	67°19°	5%	3 mph5 km/h from WSW, gusts 18 mph29 km/h	32%	6%	0
Sun 7p	Clear	62°17° (likely 49°9° to 62°17°)	62°17°	5%	3 mph5 km/h from WSW, gusts 11 mph18 km/h	38%	0%	0
Sun 8p	Clear	57°14° (likely 46°8° to 57°14°)	57°14°	5%	0 mph0 km/h, gusts 11 mph18 km/h	44%	0%	0
Sun 9p	Clear	55°13° (likely 44°7° to 55°13°)	55°13°	5%	0 mph0 km/h, gusts 13 mph20 km/h	47%	5%	0
Sun 10p	Clear	53°12° (likely 42°6° to 53°12°)	53°12°	5%	0 mph0 km/h, gusts 12 mph19 km/h	49%	12%	0
Sun 11p	Clear	52°11° (likely 41°5° to 52°11°)	52°11°	30%	6 mph10 km/h from S, gusts 10 mph15 km/h	50%	18%	0
Mon 12a	Clear	51°11° (likely 43°6° to 51°11°)	49°9°	30%	6 mph10 km/h from S, gusts 10 mph16 km/h	52%	31%	0
Mon 1a	Cloudy	50°10° (likely 43°6° to 52°11°)	48°9°	30%	6 mph10 km/h from S, gusts 10 mph16 km/h	54%	74%	0
Mon 2a	Rain	49°9° (likely 43°6° to 52°11°)	49°9°	30%	2 mph3 km/h from S, gusts 10 mph15 km/h	56%	62%	0
Mon 3a	Rain	48°9° (likely 42°6° to 52°11°)	48°9°	30%	2 mph3 km/h from S, gusts 9 mph15 km/h	58%	54%	0
Mon 4a	Rain	47°8° (likely 43°6° to 51°11°)	47°8°	30%	2 mph3 km/h from S, gusts 8 mph13 km/h	61%	84%	0
Mon 5a	Rain	46°8° (likely 43°6° to 51°11°)	46°8°	30%	0 mph0 km/h, gusts 8 mph13 km/h	63%	90%	0
Mon 6a	Rain	44°7° (likely 41°5° to 50°10°)	44°7°	30%	0 mph0 km/h, gusts 8 mph14 km/h	66%	78%	0

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Mostly sunny. High 78°26°, low 43°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 44°7°
  Dry
Official NWS forecast
Today: Sunny, with a high near 78. East wind 1 to 5 mph.
Tonight: Partly cloudy, with a low around 43. East southeast wind around 2 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–78°26°
Low, likely
36°2°–43°6°
Wind
8 mph13 km/h, gusts 20 mph32 km/h
UV peak
5
Tomorrow, Oct 25. Cloudy. High 73°23°, low 44°7°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Clear, 57°14°
  30% chance
4. Overnight
  midnight–6 AM
  Rain, 46°8°
  30% chance
Official NWS forecast
Day: Mostly sunny, with a high near 73. South southwest wind 0 to 3 mph.
Night: A chance of rain after 11pm. Partly cloudy, with a low around 44. South wind 0 to 6 mph. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–73°23°
Low, likely
39°4°–50°10°
Wind
10 mph15 km/h, gusts 26 mph42 km/h
UV peak
4
Monday, Oct 26. Rain. High 64°18°, low 41°5°. Rain 0.09 in2.3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 48°9°
  50% chance · 0.03 in0.8 mm
2. Afternoon
  noon–6 PM
  Drizzle, 56°14°
  30% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Mostly clear, 49°10°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 64. Southwest wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Night: A chance of rain before 11pm. Partly cloudy, with a low around 41. Southwest wind 0 to 5 mph. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–64°18°
Low, likely
38°3°–46°8°
Wind
6 mph10 km/h, gusts 27 mph43 km/h
Tuesday, Oct 27. Partly sunny. High 68°20°, low 40°4°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 68.
Night: Partly cloudy, with a low around 40.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–68°20°
Low, likely
37°3°–44°7°
Wind
7 mph11 km/h, gusts 24 mph38 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 71°22°, low 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 64°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 71.
Night: Partly cloudy, with a low around 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–71°22°
Low, likely
37°3°–44°7°
Wind
6 mph10 km/h, gusts 14 mph23 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 71°22°, low 42°6°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 42°6°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 58°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 71.
Night: A slight chance of rain after 5am. Partly cloudy, with a low around 42.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
52°11°–71°22°
Low, likely
34°1°–43°6°
Wind
6 mph10 km/h, gusts 22 mph35 km/h
UV peak
4
Friday, Oct 30. Rain. High 69°21°, low 41°5°. Rain 0.08 in2 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 54°12°
  30% chance · 0.04 in0.9 mm
3. Evening
  6 PM–midnight
  Clear, 43°6°
  30% chance · 0.09 in2.3 mm
4. Overnight
  midnight–6 AM
  Partly cloudy, 38°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Mostly sunny, with a high near 69.
Night: A chance of rain before 8pm. Mostly cloudy, with a low around 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
47°8°–69°21°
Low, likely
32°0°–41°5°
Wind
7 mph12 km/h, gusts 21 mph33 km/h
UV peak
4
Saturday, Oct 31. Cloudy. High 55°13°, low 35°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  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
50°10°–65°18°
Low, likely
31°−1°–38°3°
Wind
5 mph8 km/h, gusts 16 mph25 km/h
UV peak
4
Sunday, Nov 1. Partly sunny. High 62°17°, low 36°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 42°6°
  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
32°0°–42°6°
Wind
7 mph11 km/h, gusts 22 mph36 km/h
UV peak
4
Monday, Nov 2. Cloudy. High 58°14°, low 40°4°. Rain 0.15 in3.8 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 63°17°
  20% chance · 0.1 in0.3 cm
3. Evening
  6 PM–midnight
  Mostly clear, 46°8°
  30% chance · 0.6 in1.5 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
47°8°–72°22°
Low, likely
34°1°–49°9°
Wind
4 mph7 km/h, gusts 19 mph30 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 78°, low 43°.
Tomorrow
Dry, high 73°, low 44°, cooling off.
Monday
41% chance of rain, high 64°, low 41°, cooling off.
Rest of week
Mostly dry, highs 55–71°.

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

Van Duzen River near Bridgeville

24 mi

Below flood stage

Level: -0.3 ft

Forecast peak -0.3 ft Tue 5 AM

Reading from Sat 6:15 AM · NWS gauge page

South Fork Trinity River near Hyampom

2.1 mi

Level: 2.6 ft
Flow: 76 cfs

Reading from Sat 6:30 AM · NWS gauge page

Trinity River near Helena 1SSE

21 mi

Level: 8.7 ft
Flow: 342 cfs

Reading from Sat 6:45 AM · NWS gauge page

Trinity River at Junction City

23 mi

Level: 1.6 ft
Flow: 366 cfs

Reading from Sat 6:45 AM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 45 min; Losing 2 min 30 s a day; shortest Dec 21, 1 h 29 min less
Golden hour: 5:42–6:37 PM; Morning 7:17–8:13 AM
Blue hour: 6:37–6:48 PM; Morning 7:07–7:17 AM; first light 7:07 AM

Stars tonight? Poor

Clouds most of the night (about 57% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:55 AM · rises 5:20 PM
Full moon: Oct 25
New moon: Nov 8

Looking southwest from Hyampom. The highest point on the skyline is about 5,800 ft, 5 mi away.Skyline from USGS elevation data, heights drawn up to 2× taller. Sky, sun and moon as they are now.

1 active weather alert

Freeze Warning