Alden, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Alden weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast10%—84°63°—
- MondayJul 6Clear——84°66°0°
- TuesdayJul 7Overcast——82°65°-2°
- WednesdayJul 8T-storm w/ Hail49%—84°66°+2°
- ThursdayJul 9Overcast49%—77°65°-7°
- FridayJul 10Overcast13%—78°63°+1°
- SaturdayJul 11Thunderstorm——83°66°+5°
AQI 28 (Good), driven by PM2.5. AQI down 12 over the last 6 hours (gradual decline). PM2.5 at 4.5 µg/m³ (AQI 25) with a 0.78 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
PM × Wind × Precip
PM2.5 at 4.5 µg/m³ (AQI 25) with a 0.78 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.78
- 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
- 11:34 PM
- Moonset
- 11:25 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Alden at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: May 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50006
15-Day Forecast — Alden
- Sun84°63°10%
- Mon84°66°4%
- Tue82°65°5%
- Wed84°66°49%
- Thu77°65°49%
- Fri78°63°13%
- Sat83°66°7%
- Sun85°68°8%
- Mon85°67°9%
- Tue88°72°6%
- Wed84°63°8%
- Thu85°67°23%
- Fri84°67°20%
- Sat83°66°14%
- Sun88°68°20%
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 — Alden
SPC includes Alden in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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 Alden
- 50006
- 50043