Luther, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Luther weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain70%0.26″85°68°—
- SundayJul 5Overcast14%—84°67°-1°
- MondayJul 6Overcast——85°67°+1°
- TuesdayJul 7Overcast——86°66°+1°
- WednesdayJul 8T-storm w/ Hail33%—87°67°+1°
- ThursdayJul 9Drizzle36%—79°63°-8°
- FridayJul 10Light Drizzle——80°63°+1°
AQI 44 (Good), driven by Ozone. AQI up 9 over the last 6 hours (gradual rise).
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 4.8 µg/m³ (AQI 27) with a 0.81 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- 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
- 11:35 PM
- Moonset
- 11:27 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Luther at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50152
16-Day Forecast — Luther
- Sat85°68°70%
- Sun84°67°14%
- Mon85°67°1%
- Tue86°66°1%
- Wed87°67°33%
- Thu79°63°36%
- Fri80°63°9%
- Sat78°65°7%
- Sun77°60°9%
- Mon83°61°4%
- Tue88°69°5%
- Wed83°68°7%
- Thu90°70°16%
- Fri94°71°16%
- Sat94°73°26%
- Sun84°63°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 — Luther
SPC includes Luther 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 Luther
- 50152
- 50156