Shenandoah, Iowa Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Shenandoah weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain64%1.0″80°69°—
- SundayJul 5Heavy Rain12%0.71″88°67°+8°
- MondayJul 6Clear——84°66°-4°
- TuesdayJul 7Overcast——85°66°+1°
- WednesdayJul 8Light Drizzle22%—93°68°+8°
- ThursdayJul 9Light Showers50%0.04″84°70°-9°
- FridayJul 10Light Showers18%0.10″82°67°-2°
AQI 33 (Good), driven by Ozone. AQI up 9 over the last 6 hours (gradual rise). Ozone at AQI 41 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
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 41 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 41
- UV peak
- 3.8 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 41
PM × Wind × Precip
PM2.5 at 6.8 µg/m³ (AQI 38) with a 0.72 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.72
- 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
- 11:18 PM
- Moonset
- 10:27 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Shenandoah at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 51601
16-Day Forecast — Shenandoah
- Sat82°69°64%
- Sun88°67°12%
- Mon84°66°2%
- Tue85°66°1%
- Wed93°68°22%
- Thu84°70°50%
- Fri82°67°18%
- Sat78°60°7%
- Sun80°60°6%
- Mon80°60°6%
- Tue81°60°5%
- Wed84°60°9%
- Thu90°65°16%
- Fri93°68°22%
- Sat79°64°26%
- Sun75°59°13%
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 — Shenandoah
SPC includes Shenandoah 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 Shenandoah
- 51601
- 51603