Iona, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Iona weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast32%—84°63°—
- SundayJul 5Rain11%0.14″85°62°+1°
- MondayJul 6Overcast——85°64°0°
- TuesdayJul 7Overcast28%—86°67°+1°
- WednesdayJul 8Heavy Drizzle40%0.02″82°66°-4°
- ThursdayJul 9Overcast40%—79°62°-3°
- FridayJul 10Light Rain20%0.08″84°63°+5°
AQI 36 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.7 µg/m³ (AQI 37) with a 0.83 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 6.7 µg/m³ (AQI 37) with a 0.83 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.83
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:24 PM
- Moonset
- 10:25 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Iona at a glance
- Today vs. normal: 68°F — typical for the season
- Last frost: May 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 56141
16-Day Forecast — Iona
- Sat84°63°32%
- Sun85°62°11%
- Mon85°64°6%
- Tue86°67°28%
- Wed82°66°40%
- Thu79°62°40%
- Fri84°63°20%
- Sat79°61°20%
- Sun73°55°13%
- Mon80°54°7%
- Tue86°64°5%
- Wed79°62°11%
- Thu85°60°15%
- Fri87°66°16%
- Sat88°67°13%
- Sun94°70°16%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Iona
SPC has placed Iona in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Iona
- 56141