Observed 4:50 AM PDT at KLOL

Grass Valley, NV weather

Overcast and 37°3°, 9°5° colder than a typical Oct 24.

Mostly agree

Now 37°3°

Cloudy

Wind: Calm; Up to 5 mph8 km/h through 5 PM
Dew point: 32°0°; Dry · down to 22°−6° by 6 AM
UV index: 0Low; Moderate 11 AM–3 PM · peak 4

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Hard freeze until 10 AM (low 21°−6°)
Low 21°−6° today at 7 AM
Above 40°4° today by 10 AM
High 56°13° today at 3 PM
Hard freeze tonight midnight–9 AM (low 24°−4°)

This morningUp to 46°8° by 11 AM · freezing, low 21°−6° · Clear
This afternoonUp to 56°13° by 3 PM · Clear
TonightDown to 26°−3° by 5 AM · freezing, low 26°−3° · Clear
Tomorrow morningUp to 52°11° by 11 AM · freezing, low 24°−4° · Partly cloudy
Tomorrow afternoonUp to 62°17° by 3 PM · Partly cloudy
Tomorrow nightDown to 32°0° by 4 AM · freezing, low 32°0° · Mostly 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 5a	Clear	23°−5° (likely 23°−5° to 37°3°)	18°−8°	0%	5 mph8 km/h from N, gusts 3 mph5 km/h	98%	12%	0
Sat 6a	Clear	22°−6° (likely 22°−6° to 36°2°)	17°−8°	0%	5 mph8 km/h from N, gusts 4 mph7 km/h	98%	3%	0
Sat 7a	Sunny	21°−6° (likely 21°−6° to 36°2°)	16°−9°	0%	5 mph8 km/h from N, gusts 5 mph9 km/h	98%	2%	0
Sat 8a	Sunny	24°−4° (likely 24°−4° to 37°3°)	24°−4°	0%	0 mph0 km/h, gusts 5 mph8 km/h	97%	1%	0
Sat 9a	Sunny	31°−1° (likely 31°−1° to 39°4°)	31°−1°	0%	0 mph0 km/h, gusts 3 mph5 km/h	78%	1%	1
Sat 10a	Sunny	41°5° (likely 38°3° to 43°6°)	41°5°	0%	0 mph0 km/h, gusts 3 mph4 km/h	61%	0%	1
Sat 11a	Sunny	46°8° (likely 43°6° to 47°8°)	46°8°	0%	0 mph0 km/h, gusts 3 mph5 km/h	49%	0%	3
Sat 12p	Sunny	51°11° (likely 46°8° to 51°11°)	51°11°	0%	0 mph0 km/h, gusts 4 mph6 km/h	44%	1%	4
Sat 1p	Sunny	54°12° (likely 49°9° to 54°12°)	54°12°	0%	0 mph0 km/h, gusts 3 mph5 km/h	39%	1%	4
Sat 2p	Sunny	55°13° (likely 51°11° to 55°13°)	55°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	36%	0%	3
Sat 3p	Sunny	56°13° (likely 51°11° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 3 mph5 km/h	36%	0%	2
Sat 4p	Sunny	56°13° (likely 51°11° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 3 mph6 km/h	36%	5%	1
Sat 5p	Sunny	54°12° (likely 51°11° to 56°13°)	54°12°	0%	0 mph0 km/h, gusts 4 mph6 km/h	38%	0%	1
Sat 6p	Clear	51°11° (likely 47°8° to 52°11°)	51°11°	0%	0 mph0 km/h, gusts 4 mph7 km/h	45%	1%	0
Sat 7p	Clear	47°8° (likely 43°6° to 49°9°)	47°8°	0%	0 mph0 km/h, gusts 4 mph6 km/h	51%	0%	0
Sat 8p	Clear	41°5° (likely 40°4° to 47°8°)	41°5°	0%	0 mph0 km/h, gusts 4 mph6 km/h	58%	0%	0
Sat 9p	Clear	40°4° (likely 38°3° to 45°7°)	40°4°	0%	0 mph0 km/h, gusts 5 mph7 km/h	61%	0%	0
Sat 10p	Clear	37°3° (likely 36°2° to 44°7°)	37°3°	0%	0 mph0 km/h, gusts 4 mph7 km/h	68%	0%	0
Sat 11p	Clear	34°1° (likely 34°1° to 43°6°)	31°−1°	0%	5 mph8 km/h from SE, gusts 4 mph6 km/h	72%	0%	0
Sun 12a	Clear	32°0° (likely 32°0° to 41°5°)	29°−2°	0%	5 mph8 km/h from SE, gusts 4 mph7 km/h	77%	0%	0
Sun 1a	Clear	31°−1° (likely 31°−1° to 41°5°)	28°−2°	0%	5 mph8 km/h from SE, gusts 5 mph8 km/h	79%	0%	0
Sun 2a	Clear	29°−2° (likely 29°−2° to 40°4°)	24°−4°	0%	5 mph8 km/h from SE, gusts 6 mph10 km/h	82%	2%	0
Sun 3a	Clear	30°−1° (likely 30°−1° to 40°4°)	25°−4°	0%	5 mph8 km/h from SE, gusts 6 mph10 km/h	79%	6%	0
Sun 4a	Clear	27°−3° (likely 27°−3° to 39°4°)	22°−6°	0%	5 mph8 km/h from SE, gusts 6 mph9 km/h	83%	38%	0
Sun 5a	Clear	26°−3° (likely 26°−3° to 38°3°)	20°−7°	0%	5 mph8 km/h from SE, gusts 6 mph10 km/h	85%	4%	0
Sun 6a	Clear	26°−3° (likely 26°−3° to 38°3°)	20°−7°	0%	5 mph8 km/h from SE, gusts 6 mph10 km/h	84%	26%	0
Sun 7a	Sunny	24°−4° (likely 24°−4° to 38°3°)	18°−8°	0%	5 mph8 km/h from SE, gusts 5 mph8 km/h	87%	39%	0
Sun 8a	Mostly sunny	27°−3° (likely 27°−3° to 38°3°)	23°−5°	0%	5 mph8 km/h from SE, gusts 5 mph9 km/h	87%	43%	0
Sun 9a	Sunny	35°2° (likely 35°2° to 42°6°)	32°0°	0%	5 mph8 km/h from SE, gusts 6 mph9 km/h	70%	43%	1
Sun 10a	Sunny	46°8° (likely 43°6° to 47°8°)	45°7°	0%	5 mph8 km/h from SE, gusts 7 mph12 km/h	54%	41%	2
Sun 11a	Sunny	52°11° (likely 48°9° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 6 mph10 km/h	43%	42%	3
Sun 12p	Mostly sunny	57°14° (likely 52°11° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 6 mph10 km/h	38%	47%	4
Sun 1p	Mostly sunny	60°16° (likely 55°13° to 60°16°)	60°16°	0%	0 mph0 km/h, gusts 6 mph10 km/h	34%	51%	5
Sun 2p	Mostly sunny	61°16° (likely 56°13° to 61°16°)	61°16°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	31%	54%	4
Sun 3p	Mostly sunny	62°17° (likely 57°14° to 63°17°)	62°17°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	31%	40%	3
Sun 4p	Mostly sunny	62°17° (likely 57°14° to 63°17°)	62°17°	0%	5 mph8 km/h from S, gusts 7 mph12 km/h	31%	51%	2
Sun 5p	Mostly sunny	60°16° (likely 56°13° to 61°16°)	60°16°	0%	0 mph0 km/h, gusts 6 mph9 km/h	33%	72%	1
Sun 6p	Cloudy	55°13° (likely 53°12° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 6 mph9 km/h	39%	72%	0
Sun 7p	Cloudy	50°10° (likely 48°9° to 52°11°)	50°10°	0%	0 mph0 km/h, gusts 6 mph10 km/h	46%	77%	0
Sun 8p	Partly cloudy	45°7° (likely 44°7° to 51°11°)	43°6°	0%	5 mph8 km/h from S, gusts 9 mph14 km/h	53%	78%	0
Sun 9p	Cloudy	42°6° (likely 42°6° to 50°10°)	39°4°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	58%	81%	0
Sun 10p	Cloudy	40°4° (likely 40°4° to 50°10°)	37°3°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	62%	77%	0
Sun 11p	Partly cloudy	38°3° (likely 38°3° to 51°11°)	33°1°	0%	5 mph8 km/h from S, gusts 8 mph13 km/h	64%	73%	0
Mon 12a	Partly cloudy	36°2° (likely 36°2° to 54°12°)	30°−1°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	66%	67%	0
Mon 1a	Partly cloudy	35°2° (likely 35°2° to 53°12°)	29°−2°	0%	5 mph8 km/h from S, gusts 7 mph11 km/h	66%	64%	0
Mon 2a	Mostly cloudy	34°1° (likely 34°1° to 52°11°)	27°−3°	0%	10 mph16 km/h from S, gusts 9 mph14 km/h	67%	56%	0
Mon 3a	Mostly cloudy	33°1° (likely 33°1° to 52°11°)	26°−3°	0%	10 mph16 km/h from S, gusts 8 mph12 km/h	68%	35%	0
Mon 4a	Clear	32°0° (likely 32°0° to 52°11°)	25°−4°	0%	10 mph16 km/h from S, gusts 7 mph12 km/h	69%	25%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Mostly sunny. High 56°13°, low 20°−7°. Typical 65°18° / 28°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 24°−4°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 56°13°
  Dry
3. Evening
  6 PM–midnight
  Clear, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 26°−3°
  Dry
Official NWS forecast
Today: Sunny, with a high near 56. North wind 0 to 5 mph.
Tonight: Mostly clear, with a low around 20. North wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–56°13°
Low, likely
20°−7°–36°2°
Typical high / low
65°18° / 28°−2°
Wind
8 mph13 km/h, gusts 14 mph22 km/h
UV peak
5
Tomorrow, Oct 25. Cloudy. High 62°17°, low 27°−3°. Typical 64°18° / 27°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 27°−3°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 62°17°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 45°7°
  Dry
4. Overnight
  midnight–6 AM
  Mostly cloudy, 32°0°
  Dry
Official NWS forecast
Day: Sunny, with a high near 62. South wind 0 to 5 mph.
Night: Partly cloudy, with a low around 27. South wind 0 to 10 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–63°17°
Low, likely
27°−3°–37°3°
Typical high / low
64°18° / 27°−3°
Wind
9 mph14 km/h
UV peak
5
Monday, Oct 26. Mostly sunny. High 62°17°, low 21°−6°. Typical 64°18° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 59°15°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 62. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Night: Partly cloudy, with a low around 21.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–62°17°
Low, likely
21°−6°–43°6°
Typical high / low
64°18° / 27°−3°
Wind
25 mph40 km/h, gusts 35 mph56 km/h
UV peak
4
Tuesday, Oct 27. Mostly sunny. High 59°15°, low 23°−5°. Typical 63°17° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 59.
Night: Mostly clear, with a low around 23.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–59°15°
Low, likely
23°−5°–38°3°
Typical high / low
63°17° / 27°−3°
Wind
8 mph13 km/h, gusts 16 mph26 km/h
UV peak
4
Wednesday, Oct 28. Partly sunny. High 62°17°, low 27°−3°. Typical 63°17° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 34°1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 47°8°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 42°6°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 62.
Night: Partly cloudy, with a low around 27.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
54°12°–62°17°
Low, likely
27°−3°–39°4°
Typical high / low
63°17° / 27°−3°
Wind
6 mph9 km/h, gusts 11 mph17 km/h
UV peak
4
Thursday, Oct 29. Mostly cloudy. High 61°16°, low 28°−2°. Typical 62°17° / 26°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 55°13°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Drizzle, 39°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 61.
Night: Partly cloudy, with a low around 28.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
53°12°–61°16°
Low, likely
28°−2°–44°7°
Typical high / low
62°17° / 26°−3°
Wind
10 mph17 km/h, gusts 22 mph35 km/h
UV peak
2
Friday, Oct 30. Rain. High 60°16°, low 36°2°. Typical 62°17° / 26°−3°. Rain 0.1 in2.5 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 39°4°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 51°10°
  Dry
3. Evening
  6 PM–midnight
  Clear, 42°6°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 35°1°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after 11am. Mostly sunny, with a high near 60.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
47°8°–60°16°
Low, likely
31°−1°–41°5°
Typical high / low
62°17° / 26°−3°
Wind
18 mph28 km/h
UV peak
4
Saturday, Oct 31. Partly sunny. High 45°7°, low 30°−1°. Typical 62°17° / 26°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 46°8°
  Dry
3. Evening
  6 PM–midnight
  Clear, 37°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 31°−1°
  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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
43°6°–48°9°
Low, likely
20°−7°–35°2°
Typical high / low
62°17° / 26°−3°
Wind
7 mph11 km/h, gusts 17 mph28 km/h
UV peak
4
Sunday, Nov 1. Cloudy. High 47°8°, low 30°−1°. Typical 61°16° / 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 32°0°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 48°9°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 39°4°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 34°1°
  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
42°6°–56°13°
Low, likely
17°−8°–39°4°
Typical high / low
61°16° / 26°−3°
Wind
8 mph12 km/h, gusts 21 mph33 km/h
UV peak
4
Monday, Nov 2. Cloudy. High 49°9°, low 36°2°. Typical 60°16° / 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 38°3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 51°11°
  Dry
3. Evening
  6 PM–midnight
  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
43°6°–57°14°
Low, likely
29°−2°–46°8°
Typical high / low
60°16° / 26°−3°
Wind
6 mph9 km/h, gusts 15 mph24 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 56°, low 20°.
Tomorrow
Dry, high 62°, low 27°, warming up.
Monday
Dry, high 62°, low 21°.
Rest of week
Mostly dry, highs 45–62°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (REV) (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

Humboldt River near Imlay

24 mi

Below flood stage

Level: 0.3 ft

Forecast peak 0.4 ft Sat 4 AM

Reading from Sat 3:20 AM · NWS gauge page

Humboldt River nr Rose Creek

13 mi

Level: 8.3 ft
Flow: 1 cfs

Reading from Sat 2:30 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 67% less heating than a typical week.

This week 46Typical 140

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 31
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 1 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 32°F).

Open the windows?

Sun, 1:00 PM–5:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Winnemucca Airport · official normals 1991–2020 · records 1877–2026

Oct 24, today vs a typical year

Today’s expected high is 9°5° colder than typical.

Last 7 days vs normal

On average 4°2° warmer than normal (daily mean temperature).

+3°+1°SunOct 18
+3°+2°MonOct 19
+5°+3°TueOct 20
+10°+6°WedOct 21
+7°+4°ThuOct 22
−2°−1°FriOct 23
—SatOct 24

Grass Valley weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 45 min; Losing 2 min 35 s a day; shortest Dec 21, 1 h 30 min less
Golden hour: 5:19–6:14 PM; Morning 6:55–7:50 AM
Blue hour: 6:14–6:25 PM; Morning 6:44–6:55 AM; first light 6:44 AM

Stars tonight? Good

Clear 5:12–6:44 AM; moon 96% lit but below the horizon.

Moon

Waxing gibbous

96% lit · growing

Today: sets 5:31 AM · rises 4:57 PM
Full moon: Oct 25
New moon: Nov 8

Looking east from Grass Valley. The highest point on the skyline is about 9,300 ft, 9 mi away.Skyline from USGS elevation data, heights drawn up to 3.5× taller. Sky, sun and moon as they are now.