Weather StoryAlmanac, microseasons, and the day's weather story.

Arco, Idaho Weather

Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →

Arco weather forecast — hour by hour, 7-day outlook, NOAA radar

Arco, ID
Sunday, July 5 at 2:36 AM
72
°
Clear
Feels like
63°
Humidity
20%
Wind
9 mph
Sunrise
11:58 PM
Sunset
3:17 PM
Arco, ID
Hour by hour · 24h
24-Hour ForecastArco, ID: 24-hour forecast. Temperatures range from 61 to 93 degrees Fahrenheit.
L 61°H 93°
Arco, ID
7-day forecast
  1. Today
    Jul 5
    Overcast
    93°61°
  2. Monday
    Jul 6
    Overcast
    86°68°-7°
  3. Tuesday
    Jul 7
    Overcast
    88°61°+2°
  4. Wednesday
    Jul 8
    Overcast
    90°62°+2°
  5. Thursday
    Jul 9
    Clear
    88°59°-2°
  6. Friday
    Jul 10
    Clear
    91°61°+3°
  7. Saturday
    Jul 11
    Clear
    96°66°+5°
Arco, ID
Anemometer · 24h winds · from true
NESW
From · True
NNE
022° · veering 35°
Direction
NNE
022°
Sustained
9
mph
Gust
11
mph
Peak 24h
18
avg 10
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 10 · pk 18 @ 12:00a
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 317SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 35° from the nne.
Arco, ID
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
838.2
-0.1 mb in 3h · steady · 24.75 inHg
Now
838.2
mb
3h
-0.1
mb
12h
-7.2
mb
24h
-1.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 838846
830835840845850-21h-18h-15h-12h-9h-6h-3h-24hNOW845.5838.2838.2
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Arco, ID
Air quality
44
AQI
Good
-13 in 6h

AQI 44 (Good), driven by Ozone. AQI down 13 over the last 6 hours (gradual decline).

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
2.1μg/m³
PM 10Good
3μg/m³
NO₂Good
9μg/m³
OzoneDRIVERGood
44μg/m³
UV IndexLow
0.0
Arco, ID
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
165.3mi
UNLIMITED
185 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
08:36 UTC · Arco, ID · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
08:36 UTC · Arco, ID · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Arco, ID
Satellite · infrared · animated
Arco, ID
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Arco, ID
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:23 AM
Sunrise
11:58 PM
Daylight
15h 19m
Sunset
3:17 PM
Civil dusk
9:54 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Arco, ID
The moon
Waning Gibbous
74% illuminated
Moonrise
11:55 PM
Moonset
11:49 AM
In sign
♓︎ Pisces
Arco, ID
Microseason
Jul 1–5

Monsoon storms drench the south

insect
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Arco at a glance

  • Today vs. normal: 4°F above the seasonal normal for this latitude
  • Last frost: May 8 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 83213

15-Day Forecast — Arco

  1. Sun93°61°1%
  2. Mon86°68°9%
  3. Tue88°61°7%
  4. Wed90°62°3%
  5. Thu88°59°1%
  6. Fri91°61°0%
  7. Sat96°66°0%
  8. Sun97°66°2%
  9. Mon99°68°5%
  10. Tue104°74°11%
  11. Wed105°73°15%
  12. Thu101°76°23%
  13. Fri103°72°10%
  14. Sat103°70°10%
  15. Sun100°66°10%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Arco

SPC includes Arco in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in Arco

  • 83213

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.