Underwood, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Underwood weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle56%—85°71°—
- SundayJul 5Light Drizzle10%0.02″90°68°+5°
- MondayJul 6Partly Cloudy——85°68°-5°
- TuesdayJul 7Overcast——85°66°0°
- WednesdayJul 8Light Drizzle40%—91°70°+6°
- ThursdayJul 9Heavy Drizzle40%0.02″83°67°-8°
- FridayJul 10Heavy Drizzle20%0.04″83°64°0°
AQI 33 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 44 — 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 44 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 44
- UV peak
- 4.0 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 44
PM × Wind × Precip
PM2.5 at 5.7 µg/m³ (AQI 32) with a 0.81 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- 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
- 11:20 PM
- Moonset
- 10:28 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Underwood at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- 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: 51576
16-Day Forecast — Underwood
- Sat85°71°56%
- Sun90°68°10%
- Mon85°68°3%
- Tue85°66°1%
- Wed91°70°40%
- Thu83°67°40%
- Fri83°64°20%
- Sat78°59°6%
- Sun80°60°6%
- Mon81°60°5%
- Tue80°62°3%
- Wed82°61°6%
- Thu90°66°14%
- Fri89°67°14%
- Sat80°64°16%
- Sun76°59°16%
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 — Underwood
SPC includes Underwood 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 Underwood
- 51576