Martensdale, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Martensdale weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle68%—86°70°—
- SundayJul 5Overcast13%—88°69°+2°
- MondayJul 6Clear——91°68°+3°
- TuesdayJul 7Overcast——86°66°-5°
- WednesdayJul 8T-storm w/ Hail37%—89°67°+3°
- ThursdayJul 9Light Showers47%0.01″79°66°-10°
- FridayJul 10Mostly Clear26%—83°66°+4°
AQI 40 (Good), driven by PM2.5. AQI up 9 over the last 6 hours (gradual rise). PM2.5 at 7.2 µg/m³ (AQI 40) with a 0.89 fine-to-coarse ratio and 3 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
Ozone × UV × Sky
Ozone at AQI 30 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 30
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 7.2 µg/m³ (AQI 40) with a 0.89 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- 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
- 11:27 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Martensdale at a glance
- Today vs. normal: 9°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: 50160
16-Day Forecast — Martensdale
- Sat86°70°68%
- Sun88°69°13%
- Mon91°68°1%
- Tue86°66°1%
- Wed89°67°37%
- Thu79°66°47%
- Fri83°66°26%
- Sat78°64°8%
- Sun78°61°9%
- Mon83°61°4%
- Tue88°69°7%
- Wed85°69°9%
- Thu89°71°19%
- Fri93°72°14%
- Sat93°76°19%
- Sun86°66°13%
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 — Martensdale
SPC includes Martensdale 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 Martensdale
- 50160