Corning, Iowa Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Corning weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Partly Cloudy——79°57°—
- ThursdayJun 4Overcast44%—82°62°+3°
- FridayJun 5Thunderstorm69%0.14″86°66°+4°
- SaturdayJun 6Rain54%0.17″84°64°-2°
- SundayJun 7Light Showers48%—82°68°-2°
- MondayJun 8Drizzle42%—78°66°-4°
- TuesdayJun 9Drizzle16%0.01″85°69°+7°
Ozone at AQI 51 now. AQI flat over the last 6 hours (within ±3 points). With UV 7.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 51 by mid-afternoon.
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 51 now. With UV 7.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 51 by mid-afternoon.
- Present
- AQI 51
- UV peak
- 7.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 51
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).
The higher the clouds, the finer the weather.
- Moonrise
- 4:15 AM
- Moonset
- 1:14 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Corning at a glance
- Today vs. normal: 76°F — typical for the season
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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 has placed Corning in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3MRGLMarginal Risk
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.