Corning, Iowa Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Corning weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle80%0.04″83°67°—
- SundayJul 5Overcast——88°67°+5°
- MondayJul 6Clear——84°66°-4°
- TuesdayJul 7Overcast——85°66°+1°
- WednesdayJul 8T-storm w/ Hail34%—89°68°+4°
- ThursdayJul 9Thunderstorm50%—81°69°-8°
- FridayJul 10Light Drizzle28%—83°67°+2°
AQI 42 (Good), driven by PM2.5. AQI up 15 in the last 6 hours — air quality is degrading. PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.73 fine-to-coarse ratio and 4 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
Ozone × UV × Sky
Ozone at AQI 35 now. With UV 0.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 around 1 PM.
- Present
- AQI 35
- UV peak
- 0.1 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.73 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.73
- 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
- 11:38 PM
- Moonset
- 11:32 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Corning at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50841
16-Day Forecast — Corning
- Sat83°67°80%
- Sun88°67°7%
- Mon84°66°1%
- Tue85°66°1%
- Wed89°68°34%
- Thu81°69°50%
- Fri83°67°28%
- Sat78°66°8%
- Sun78°62°4%
- Mon83°62°3%
- Tue88°66°5%
- Wed87°68°12%
- Thu90°73°19%
- Fri92°74°13%
- Sat92°75°17%
- Sun86°69°17%
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 — Corning
SPC includes Corning 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 Corning
- 50841