Lake Mills, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lake Mills weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast21%—83°66°—
- SundayJul 5Heavy Rain16%0.74″81°65°-2°
- MondayJul 6Overcast——83°64°+2°
- TuesdayJul 7Overcast——84°65°+1°
- WednesdayJul 8Thunderstorm50%0.04″79°67°-5°
- ThursdayJul 9Overcast50%—79°58°0°
- FridayJul 10Overcast——77°60°-2°
AQI 35 (Good), driven by Ozone. AQI up 6 over the last 6 hours (gradual rise). Ozone at AQI 51 — peak already passed at 1 PM under partly cloudy 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 51 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 51
- UV peak
- 4.6 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 51
PM × Wind × Precip
PM2.5 at 7.0 µg/m³ (AQI 39) with a 0.80 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.80
- 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
- 11:14 PM
- Moonset
- 10:16 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lake Mills at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: May 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50450
16-Day Forecast — Lake Mills
- Sat82°66°21%
- Sun81°65°16%
- Mon83°64°2%
- Tue84°65°7%
- Wed79°67°50%
- Thu79°58°50%
- Fri77°60°8%
- Sat76°55°10%
- Sun77°57°13%
- Mon79°57°8%
- Tue82°60°5%
- Wed82°62°16%
- Thu84°66°19%
- Fri81°63°29%
- Sat71°58°20%
- Sun77°61°17%
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 — Lake Mills
SPC includes Lake Mills 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 Lake Mills
- 50450