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

Iona, Idaho Weather

Paintbrush crowns the ridges. Day 88 of spring. Read this microseason across nine climate regions →

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

Iona, ID
Monday, June 15 at 10:21 AM
65
°
Clear
Feels like
63°
Humidity
36%
Wind
2 mph
Sunrise
11:46 PM
Sunset
3:10 PM
Iona, ID
Hour by hour · 24h
24-Hour ForecastIona, ID: 24-hour forecast. Temperatures range from 51 to 79 degrees Fahrenheit.
L 51°H 79°
Iona, ID
7-day forecast
  1. Today
    Jun 15
    Overcast
    79°43°
  2. Tuesday
    Jun 16
    Overcast
    86°51°+7°
  3. Wednesday
    Jun 17
    Clear
    80°52°-6°
  4. Thursday
    Jun 18
    Overcast
    79°46°-1°
  5. Friday
    Jun 19
    Drizzle
    90°52°+11°
  6. Saturday
    Jun 20
    Light Drizzle
    31%
    83°55°-7°
  7. Sunday
    Jun 21
    Overcast
    30%
    80°51°-3°
Iona, ID
Anemometer · 24h winds · from true
NESW
From · True
NW
319° · backing 68°
Direction
NW
319°
Sustained
2
mph
Gust
4
mph
Peak 24h
10
avg 5
Beaufort · 1 · LIGHT AIR
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 5 · pk 10 @ 7:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 158SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Iona, ID
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
859.4
+4.5 mb in 3h · rising rapidly · 25.38 inHg
Now
859.4
mb
3h
+4.5
mb
12h
+2.6
mb
24h
-2.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 854862
845850855860865870-21h-18h-15h-12h-9h-6h-3h-24hNOW862.2853.7859.0
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Iona, ID
Air quality
36
AQI
Good
-8 in 6hPeak ~43 @ 10 PM

AQI 36 (Good), driven by Ozone. AQI down 8 over the last 6 hours (gradual decline). Ozone at AQI 37 now. With UV 6.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 32 around 1 PM.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.

PM 2.5Good
6.4μg/m³
PM 10Good
14μg/m³
NO₂Good
3μg/m³
OzoneDRIVERModerate
79μg/m³
UV IndexModerate
4.6

What's driving it

Ozone × UV × Sky

Ozone at AQI 37 now. With UV 6.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 32 around 1 PM.

Present
AQI 37
UV peak
6.5 at 1 PM
Sky at peak
clear
Projected peak
AQI 32

PM × Wind × Precip

PM2.5 at 6.4 µg/m³, PM10 at 13.6 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.47
Wind
calm
Recent rain
0h in last 6h
Pattern
background
Iona, ID
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
114.6mi
UNLIMITED
164 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
16:21 UTC · Iona, 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
16:21 UTC · Iona, ID · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Iona, ID
Satellite · infrared · animated
Iona, ID
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Iona, ID
Almanac · Monday, June 15
A summer fog for fair, a winter fog for rain.
Civil dawn
5:11 AM
Sunrise
11:46 PM
Daylight
15h 24m
Sunset
3:10 PM
Civil dusk
9:47 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Iona, ID
The moon
New Moon
1% illuminated
Moonrise
5:49 AM
Moonset
9:34 PM
In sign
♋︎ Cancer
Iona, ID
Microseason
Jun 11–15

Paintbrush crowns the ridges

insect
Jan 145% of the yearDec 31

Read this microseason across nine climate regions →

Iona at a glance

  • Today vs. normal: 6°F below the seasonal normal for this latitude
  • Last frost: May 7 (climatological average for this latitude)
  • Microseason: Jun 11–15
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

16-Day Forecast — Iona

  1. Mon79°43°1%
  2. Tue86°51°2%
  3. Wed80°52°0%
  4. Thu79°46°0%
  5. Fri90°52°2%
  6. Sat83°55°31%
  7. Sun80°51°30%
  8. Mon90°51°11%
  9. Tue94°56°3%
  10. Wed92°58°2%
  11. Thu81°55°2%
  12. Fri82°46°2%
  13. Sat84°53°12%
  14. Sun90°51°14%
  15. Mon96°57°12%
  16. Tue99°60°13%

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

Right now in the garden

Warm-season window is open

As of June 15, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

ZIP codes in Iona

  • 83427
  • 83401

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.