Lake Mills, Iowa Weather
Prairie lightning bugs rise. Day 78 of spring. Read this microseason across nine climate regions →
Lake Mills weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Drizzle49%0.05″75°65°—
- FridayJun 5Foggy16%—84°64°+9°
- SaturdayJun 6Overcast16%—85°60°+1°
- SundayJun 7Light Showers50%0.01″83°67°-2°
- MondayJun 8Light Drizzle63%—80°67°-3°
- TuesdayJun 9Showers44%0.20″83°67°+3°
- WednesdayJun 10Thunderstorm12%—93°72°+10°
PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.7 µg/m³, PM10 to 9.3 µg/m³. AQI flat over the last 6 hours (within ±3 points).
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 33 now. With UV 0.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 by mid-afternoon.
- Present
- AQI 33
- UV peak
- 0.1 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.7 µg/m³, PM10 to 9.3 µg/m³.
- PM2.5/PM10
- 0.94
- Wind
- calm
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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).
The higher the clouds, the finer the weather.
- Moonrise
- 5:24 AM
- Moonset
- 3:13 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Lake Mills at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: May 7 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Lake Mills
SPC has placed Lake Mills in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYMRGLMarginal Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.