Ionia, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Ionia weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle46%0.02″81°68°—
- SundayJul 5Overcast11%—81°64°0°
- MondayJul 6Light Drizzle——82°65°+1°
- TuesdayJul 7Overcast——83°65°+1°
- WednesdayJul 8T-storm w/ Hail44%—80°65°-3°
- ThursdayJul 9Overcast44%—76°59°-4°
- FridayJul 10Partly Cloudy——79°61°+3°
AQI 42 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 34 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 34 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 around 1 PM.
- Present
- AQI 34
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 4.9 µg/m³ (AQI 27) with a 0.83 fine-to-coarse ratio and 4 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
- 11:30 PM
- Moonset
- 11:21 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Ionia at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50645
16-Day Forecast — Ionia
- Sat81°68°46%
- Sun81°64°11%
- Mon82°65°5%
- Tue83°65°6%
- Wed80°65°44%
- Thu76°59°44%
- Fri79°61°8%
- Sat74°60°8%
- Sun74°55°8%
- Mon81°59°8%
- Tue85°65°4%
- Wed81°62°21%
- Thu83°69°11%
- Fri87°73°30%
- Sat86°66°30%
- Sun79°59°13%
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 — Ionia
SPC includes Ionia in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Ionia
- 50645