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
- TodayJun 15Overcast——79°43°—
- TuesdayJun 16Overcast——86°51°+7°
- WednesdayJun 17Clear——80°52°-6°
- ThursdayJun 18Overcast——79°46°-1°
- FridayJun 19Drizzle——90°52°+11°
- SaturdayJun 20Light Drizzle31%—83°55°-7°
- SundayJun 21Overcast30%—80°51°-3°
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.
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
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:49 AM
- Moonset
- 9:34 PM
- In sign
- ♋︎ Cancer
Paintbrush crowns the ridges
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
- Mon79°43°1%
- Tue86°51°2%
- Wed80°52°0%
- Thu79°46°0%
- Fri90°52°2%
- Sat83°55°31%
- Sun80°51°30%
- Mon90°51°11%
- Tue94°56°3%
- Wed92°58°2%
- Thu81°55°2%
- Fri82°46°2%
- Sat84°53°12%
- Sun90°51°14%
- Mon96°57°12%
- 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