Winterset, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Winterset weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——87°68°—
- MondayJul 6Overcast——89°68°+2°
- TuesdayJul 7Overcast——85°65°-4°
- WednesdayJul 8T-storm w/ Hail46%—88°67°+3°
- ThursdayJul 9Light Showers56%0.01″78°66°-10°
- FridayJul 10Partly Cloudy25%—82°66°+4°
- SaturdayJul 11Light Drizzle——76°63°-6°
AQI 34 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.6 µg/m³ (AQI 42) with a 0.90 fine-to-coarse ratio and 5 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 7.6 µg/m³ (AQI 42) with a 0.90 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- light
- 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
- 11:36 PM
- Moonset
- 11:28 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Winterset at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50273
15-Day Forecast — Winterset
- Sun87°68°8%
- Mon89°68°1%
- Tue85°65°1%
- Wed88°67°46%
- Thu78°66°56%
- Fri82°66°25%
- Sat76°63°7%
- Sun78°61°6%
- Mon82°61°5%
- Tue87°68°3%
- Wed85°69°6%
- Thu89°72°19%
- Fri92°73°11%
- Sat92°75°16%
- Sun86°67°11%
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 — Winterset
SPC includes Winterset 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 Winterset
- 50273