Observed 8:25 AM MDT at KPIH

Arimo, ID weather

Mostly cloudy and 34°1°.

Forecasts agree

Now 34°1°

Mostly cloudy

Wind: Calm; Up to 6 mph10 km/h through 8 PM
Dew point: 30°−1°; Dry · up to 39°4° by 10 AM (comfortable)
UV index: 0Low; Moderate 1–4 PM · peak 3
Pressure: 30.31 inHg1026 hPa; Steady over the last 3 h

None rain now, through the next 2 hours.

From forecast models

Next 48 hours

17°10° cooler than this time yesterday (48°9° then, 31°−1° now)

Good hours for

Above 40°4° today by 10 AM
High 54°12° today at 4 PM
Hard freeze tonight 3–10 AM (low 27°−3°)
Below freezing tomorrow night from 4 AM (low 30°−1°)

This morningUp to 45°7° by 11 AM · freezing, low 31°−1° · Partly cloudy
This afternoonUp to 54°12° by 4 PM · Clear
TonightDown to 30°−1° by 5 AM · freezing, low 30°−1° · Clear
Tomorrow morningUp to 45°7° by 11 AM · freezing, low 27°−3° · Partly cloudy
Tomorrow afternoonUp to 57°14° by 4 PM · Clear
Tomorrow nightDown to 31°−1° by 5 AM · freezing, low 31°−1° · 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 8a	Sunny	31°−1° (likely 31°−1° to 39°4°)	28°−2°	0%	3 mph5 km/h from NNE, gusts 9 mph15 km/h	100%	34%	0
Sat 9a	Sunny	35°2° (likely 35°2° to 39°4°)	31°−1°	0%	5 mph8 km/h from NNE, gusts 9 mph14 km/h	100%	33%	0
Sat 10a	Sunny	41°5° (likely 38°3° to 42°6°)	38°3°	0%	5 mph8 km/h from N, gusts 9 mph15 km/h	91%	29%	0
Sat 11a	Sunny	45°7° (likely 41°5° to 45°7°)	43°6°	0%	5 mph8 km/h from N, gusts 10 mph16 km/h	77%	29%	1
Sat 12p	Mostly sunny	48°9° (likely 44°7° to 48°9°)	46°8°	0%	5 mph8 km/h from N, gusts 9 mph15 km/h	70%	26%	2
Sat 1p	Mostly sunny	51°11° (likely 47°8° to 51°11°)	51°11°	0%	3 mph5 km/h from N, gusts 8 mph12 km/h	66%	21%	3
Sat 2p	Sunny	52°11° (likely 50°10° to 52°11°)	52°11°	0%	3 mph5 km/h from N, gusts 8 mph13 km/h	60%	19%	3
Sat 3p	Sunny	53°12° (likely 51°11° to 53°12°)	53°12°	0%	3 mph5 km/h from N, gusts 9 mph15 km/h	58%	20%	3
Sat 4p	Sunny	54°12° (likely 52°11° to 54°12°)	54°12°	0%	5 mph8 km/h from N, gusts 12 mph19 km/h	57%	11%	2
Sat 5p	Sunny	53°12° (likely 51°11° to 53°12°)	53°12°	0%	6 mph10 km/h from N, gusts 13 mph21 km/h	58%	6%	1
Sat 6p	Sunny	52°11° (likely 48°9° to 52°11°)	52°11°	0%	5 mph8 km/h from N, gusts 13 mph20 km/h	66%	4%	1
Sat 7p	Clear	48°9° (likely 44°7° to 48°9°)	47°8°	0%	3 mph5 km/h from N, gusts 11 mph18 km/h	79%	1%	0
Sat 8p	Clear	44°7° (likely 41°5° to 44°7°)	42°6°	0%	3 mph5 km/h from NNE, gusts 12 mph19 km/h	83%	0%	0
Sat 9p	Clear	41°5° (likely 39°4° to 42°6°)	39°4°	0%	3 mph5 km/h from NNE, gusts 12 mph19 km/h	89%	8%	0
Sat 10p	Clear	39°4° (likely 37°3° to 40°4°)	39°4°	0%	2 mph3 km/h from NE, gusts 10 mph16 km/h	95%	9%	0
Sat 11p	Clear	37°3° (likely 37°3° to 40°4°)	37°3°	0%	2 mph3 km/h from NE, gusts 9 mph15 km/h	99%	10%	0
Sun 12a	Clear	36°2° (likely 36°2° to 39°4°)	36°2°	0%	1 mph2 km/h from ENE, gusts 8 mph13 km/h	100%	10%	0
Sun 1a	Clear	35°2° (likely 35°2° to 38°3°)	35°2°	0%	1 mph2 km/h from NE, gusts 4 mph7 km/h	100%	10%	0
Sun 2a	Clear	33°1° (likely 33°1° to 37°3°)	33°1°	0%	1 mph2 km/h from NE, gusts 4 mph6 km/h	100%	9%	0
Sun 3a	Clear	32°0° (likely 32°0° to 37°3°)	32°0°	0%	1 mph2 km/h from ENE, gusts 4 mph6 km/h	100%	9%	0
Sun 4a	Mostly clear	32°0° (likely 32°0° to 36°2°)	32°0°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	14%	0
Sun 5a	Mostly clear	30°−1° (likely 30°−1° to 36°2°)	30°−1°	0%	0 mph0 km/h, gusts 4 mph6 km/h	100%	20%	0
Sun 6a	Mostly clear	30°−1° (likely 30°−1° to 35°2°)	30°−1°	0%	1 mph2 km/h from E, gusts 4 mph7 km/h	100%	30%	0
Sun 7a	Mostly clear	29°−2° (likely 29°−2° to 35°2°)	29°−2°	0%	1 mph2 km/h from E, gusts 3 mph5 km/h	100%	43%	0
Sun 8a	Mostly sunny	27°−3° (likely 27°−3° to 34°1°)	27°−3°	0%	1 mph2 km/h from E, gusts 3 mph5 km/h	100%	68%	0
Sun 9a	Mostly sunny	32°0° (likely 32°0° to 36°2°)	32°0°	0%	2 mph3 km/h from E, gusts 2 mph4 km/h	100%	48%	0
Sun 10a	Mostly sunny	39°4° (likely 37°3° to 42°6°)	39°4°	0%	2 mph3 km/h from E, gusts 3 mph5 km/h	88%	20%	1
Sun 11a	Sunny	45°7° (likely 42°6° to 48°9°)	45°7°	0%	2 mph3 km/h from E, gusts 3 mph5 km/h	74%	10%	2
Sun 12p	Sunny	49°9° (likely 47°8° to 51°11°)	49°9°	0%	2 mph3 km/h from S, gusts 4 mph7 km/h	67%	17%	4
Sun 1p	Sunny	53°12° (likely 51°11° to 54°12°)	53°12°	0%	2 mph3 km/h from S, gusts 5 mph8 km/h	61%	17%	4
Sun 2p	Sunny	55°13° (likely 54°12° to 56°13°)	55°13°	0%	2 mph3 km/h from S, gusts 5 mph8 km/h	54%	21%	4
Sun 3p	Sunny	56°13° (likely 55°13° to 58°14°)	56°13°	0%	3 mph5 km/h from SSW, gusts 6 mph9 km/h	51%	20%	4
Sun 4p	Sunny	57°14° (likely 55°13° to 58°14°)	57°14°	0%	3 mph5 km/h from SSW, gusts 7 mph11 km/h	51%	14%	3
Sun 5p	Sunny	55°13° (likely 55°13° to 57°14°)	55°13°	0%	3 mph5 km/h from SSW, gusts 7 mph12 km/h	53%	10%	2
Sun 6p	Sunny	53°12° (likely 52°11° to 54°12°)	53°12°	0%	1 mph2 km/h from S, gusts 8 mph12 km/h	64%	10%	1
Sun 7p	Clear	50°10° (likely 49°9° to 50°10°)	50°10°	0%	1 mph2 km/h from S, gusts 7 mph12 km/h	72%	5%	0
Sun 8p	Clear	46°8° (likely 45°7° to 47°8°)	46°8°	0%	1 mph2 km/h from S, gusts 7 mph11 km/h	78%	6%	0
Sun 9p	Mostly clear	43°6° (likely 43°6° to 45°7°)	43°6°	0%	2 mph3 km/h from SSE, gusts 6 mph10 km/h	83%	16%	0
Sun 10p	Mostly clear	41°5° (likely 41°5° to 44°7°)	41°5°	0%	2 mph3 km/h from SSE, gusts 6 mph9 km/h	88%	49%	0
Sun 11p	Mostly clear	39°4° (likely 38°3° to 43°6°)	39°4°	0%	2 mph3 km/h from SSE, gusts 5 mph9 km/h	93%	48%	0
Mon 12a	Mostly clear	38°3° (likely 35°2° to 42°6°)	36°2°	0%	3 mph5 km/h from SE, gusts 6 mph9 km/h	96%	46%	0
Mon 1a	Mostly clear	36°2° (likely 32°0° to 41°5°)	33°1°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	98%	49%	0
Mon 2a	Mostly clear	34°1° (likely 31°−1° to 41°5°)	31°−1°	0%	3 mph5 km/h from SE, gusts 6 mph10 km/h	99%	52%	0
Mon 3a	Mostly clear	33°1° (likely 30°−1° to 40°4°)	33°1°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	100%	55%	0
Mon 4a	Mostly clear	32°0° (likely 30°−1° to 40°4°)	32°0°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	100%	53%	0
Mon 5a	Cloudy	31°−1° (likely 29°−2° to 41°5°)	31°−1°	0%	2 mph3 km/h from SE, gusts 6 mph10 km/h	100%	58%	0
Mon 6a	Partly cloudy	30°−1° (likely 29°−2° to 41°5°)	30°−1°	0%	2 mph3 km/h from SE, gusts 7 mph11 km/h	100%	62%	0
Mon 7a	Partly cloudy	31°−1° (likely 24°−4° to 43°6°)	31°−1°	0%	2 mph3 km/h from SE, gusts 9 mph14 km/h	100%	47%	0

Days ahead

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

Today, Oct 24. Mostly sunny. High 54°12°, low 26°−3°. Typical 58°14° / 28°−2°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 54°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 44°7°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 30°−1°
  Dry
Official NWS forecast
Today: Sunny, with a high near 54. North wind around 6 mph.
Tonight: Mostly clear. Low around 26, with temperatures rising to around 30 overnight. Northeast wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
52°11°–54°12°
Low, likely
26°−3°–38°3°
Typical high / low
58°14° / 28°−2°
Wind
12 mph20 km/h
UV peak
4
Tomorrow, Oct 25. Mostly sunny. High 57°14°, low 29°−2°. Typical 57°14° / 28°−2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Mostly sunny, 27°−3°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 57°14°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 46°8°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 31°−1°
  Dry
Official NWS forecast
Day: Sunny. High near 57, with temperatures falling to around 55 in the afternoon. Southeast wind around 3 mph.
Night: Mostly clear, with a low around 29. South southeast wind around 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
55°13°–58°14°
Low, likely
29°−2°–34°1°
Typical high / low
57°14° / 28°−2°
Wind
6 mph10 km/h, gusts 12 mph19 km/h
UV peak
4
Monday, Oct 26. Partly sunny. High 56°13°, low 28°−2°. Typical 57°14° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 58°15°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 47°8°
  50% chance · 0.1 in2.6 mm
4. Overnight
  midnight–6 AM
  Drizzle, 36°2°
  50% chance · 0.06 in1.6 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 56. South southeast wind 2 to 15 mph, with gusts as high as 26 mph.
Night: Rain likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–59°15°
Low, likely
28°−2°–40°4°
Typical high / low
57°14° / 27°−3°
Wind
14 mph23 km/h, gusts 38 mph61 km/h
UV peak
4
Tuesday, Oct 27. Snow. High 49°9°, low 23°−5°. Typical 56°13° / 27°−3°. Snow 0.06 in1.5 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 36°2°
  40% chance · 0.01 in0.3 mm
2. Afternoon
  noon–6 PM
  Cloudy, 48°9°
  20% chance
3. Evening
  6 PM–midnight
  Cloudy, 41°5°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 31°0°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain before 9am, then a chance of rain and snow. Partly sunny, with a high near 49. Chance of precipitation is 40%.
Night: Partly cloudy, with a low around 23.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
45°7°–51°11°
Low, likely
23°−5°–38°3°
Typical high / low
56°13° / 27°−3°
Wind
13 mph22 km/h, gusts 24 mph39 km/h
UV peak
3
Wednesday, Oct 28. Partly sunny. High 54°12°, low 27°−3°. Typical 56°13° / 27°−3°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 30°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 53°12°
  Dry
3. Evening
  6 PM–midnight
  Clear, 43°6°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 35°2°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 54.
Night: Partly cloudy, with a low around 27.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
51°11°–54°12°
Low, likely
22°−6°–36°2°
Typical high / low
56°13° / 27°−3°
Wind
8 mph12 km/h, gusts 18 mph29 km/h
UV peak
4
Thursday, Oct 29. Cloudy. High 56°13°, low 30°−1°. Typical 55°13° / 26°−3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 36°2°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 56.
Night: Mostly cloudy, with a low around 30.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
53°12°–59°15°
Low, likely
28°−2°–40°4°
Typical high / low
55°13° / 26°−3°
Wind
10 mph17 km/h, gusts 23 mph37 km/h
UV peak
2
Friday, Oct 30. Rain. High 55°13°, low 29°−2°. Typical 55°13° / 26°−3°. Rain 0.25 in6.4 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 43°6°
  40% chance · 0.05 in1.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 50°10°
  40% chance · 0.07 in1.9 mm
3. Evening
  6 PM–midnight
  Drizzle, 45°7°
  40% chance · 0.2 in0.4 cm
4. Overnight
  midnight–6 AM
  Cloudy, 38°3°
  40% chance · 0.1 in0.3 cm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 55. Chance of precipitation is 30%.
Night: A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
45°7°–57°14°
Low, likely
29°−2°–43°6°
Typical high / low
55°13° / 26°−3°
Wind
23 mph38 km/h, gusts 38 mph61 km/h
UV peak
3
Saturday, Oct 31. Cloudy. High 45°7°, low 31°−1°. Typical 54°12° / 26°−3°. Rain 0.07 in1.8 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 35°2°
  40% chance
2. Afternoon
  noon–6 PM
  Partly sunny, 45°7°
  30% chance · 0.04 in0.9 mm
3. Evening
  6 PM–midnight
  Clear, 36°2°
  20% chance
4. Overnight
  midnight–6 AM
  Mostly clear, 30°−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°–51°11°
Low, likely
23°−5°–39°4°
Typical high / low
54°12° / 26°−3°
Wind
11 mph18 km/h, gusts 23 mph37 km/h
UV peak
4
Sunday, Nov 1. Mostly sunny. High 44°7°, low 29°−2°. Typical 54°12° / 26°−3°. Rain 0.04 in1 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 31°−1°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 45°7°
  Dry
3. Evening
  6 PM–midnight
  Clear, 37°3°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 27°−3°
  20% chance · 0.2 in0.5 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
38°3°–49°9°
Low, likely
19°−7°–39°4°
Typical high / low
54°12° / 26°−3°
Wind
7 mph11 km/h, gusts 15 mph24 km/h
UV peak
4
Monday, Nov 2. Drizzle. High 45°7°, low 29°−2°. Typical 53°12° / 25°−4°. Rain 0.14 in3.6 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Partly sunny, 27°−3°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 45°7°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 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
38°3°–55°13°
Low, likely
23°−5°–34°1°
Typical high / low
53°12° / 25°−4°
Wind
6 mph10 km/h, gusts 12 mph19 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 54°, low 26°.
Tomorrow
Dry, high 57°, low 29°, warming up.
Monday
Dry, high 56°, low 28°.
Rest of week
Mostly dry, highs 44–56°.

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

Portneuf River at Topaz

6.2 mi

Below flood stage

Level: 2.7 ft
Flow: 99 cfs

Forecast peak 3.1 ft Sat 12 PM

Reading from Sat 6:15 AM · NWS gauge page

Marsh Creek (Eastern ID) near McCammon

5.5 mi

Below flood stage

Level: 2.6 ft
Flow: 39 cfs

Reading from Sat 6:15 AM · NWS gauge page

Portneuf River at Pebble ID

15 mi

Level: 5.1 ft
Flow: 45 cfs

Reading from Sat 7 AM · NWS gauge page

Portneuf River at Inkom, ID

17 mi

Level: 21.2 ft
Flow: 220 cfs

Reading from Sat 6:45 AM · NWS gauge page

For your home

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

Heating this week

About 72% less heating than a typical week.

This week 46Typical 164

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 25 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 30°F).

Open the windows?

No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.

Is this typical?

Downey · official normals 1991–2020 · records 1895–2026

Oct 24, today vs a typical year

Today’s expected high is 4°2° colder than typical.

Last 7 days vs normal

On average 7°4° warmer than normal (daily mean temperature).

+3°+2°SunOct 18
+4°+2°MonOct 19
+6°+3°TueOct 20
+13°+7°WedOct 21
+15°+8°ThuOct 22
+13°+7°FriOct 23
−1°SatOct 24

Arimo weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 40 min; Losing 2 min 39 s a day; shortest Dec 21, 1 h 36 min less
Golden hour: 5:53–6:50 PM; Morning 7:34–8:31 AM
Blue hour: 6:50–7:01 PM; Morning 7:23–7:34 AM; first light 7:23 AM

Stars tonight? Fair

Mostly clear 7:01 PM–6 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

97% lit · growing

Today: sets 6:09 AM · rises 5:32 PM
Full moon: Oct 25
New moon: Nov 9

Looking north from Arimo. The highest point on the skyline is about 9,200 ft, 14 mi away.Skyline from USGS elevation data, heights drawn up to 5× taller. Sky, sun and moon as they are now.