Winfield, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Winfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle32%0.02″86°69°—
- SundayJul 5Overcast11%—85°71°-1°
- MondayJul 6Overcast——80°65°-5°
- TuesdayJul 7Overcast——82°62°+2°
- WednesdayJul 8T-storm w/ Hail12%—84°64°+2°
- ThursdayJul 9Thunderstorm30%0.02″80°71°-4°
- FridayJul 10Drizzle30%—82°66°+2°
AQI 33 (Good), driven by Ozone. AQI up 7 over the last 6 hours (gradual rise). Ozone at AQI 46. Overcast through the UV peak window (cloud cover ~62%) — afternoon ozone should stay flat.
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 46. Overcast through the UV peak window (cloud cover ~62%) — afternoon ozone should stay flat.
- Present
- AQI 46
- UV peak
- 7.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 23
PM × Wind × Precip
PM2.5 at 4.7 µg/m³, PM10 at 6.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.77
- Wind
- breezy
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:02 PM
- Moonset
- 10:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Winfield at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 52659
16-Day Forecast — Winfield
- Sat86°69°32%
- Sun85°71°11%
- Mon80°65°2%
- Tue82°62°2%
- Wed84°64°12%
- Thu80°71°30%
- Fri82°66°30%
- Sat72°61°11%
- Sun75°59°9%
- Mon75°58°9%
- Tue77°58°9%
- Wed78°57°19%
- Thu82°64°23%
- Fri78°68°16%
- Sat79°64°23%
- Sun73°59°24%
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 — Winfield
SPC includes Winfield 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 Winfield
- 52659