Clear Lake, Iowa Weather
Warm wind sweeps the tallgrass. Day 16 of summer. Read this microseason across nine climate regions →
Clear Lake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Foggy——84°64°—
- TuesdayJul 7Overcast——86°69°+2°
- WednesdayJul 8Drizzle60%—83°67°-3°
- ThursdayJul 9Thunderstorm60%0.04″77°68°-6°
- FridayJul 10Overcast20%—81°64°+4°
- SaturdayJul 11Overcast——85°67°+4°
- SundayJul 12Partly Cloudy——89°70°+4°
AQI 30 (Good), driven by PM2.5. AQI down 13 over the last 6 hours (gradual decline). PM2.5 at 7.5 µg/m³ (AQI 42) with a 0.89 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant 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
PM × Wind × Precip
PM2.5 at 7.5 µg/m³ (AQI 42) with a 0.89 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant 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).
When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:54 PM
- Moonset
- 12:35 PM
- In sign
- ♓︎ Pisces
Warm wind sweeps the tallgrass
Clear Lake at a glance
- Today vs. normal: 67°F — typical for the season
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 50428
15-Day Forecast — Clear Lake
- Mon84°64°2%
- Tue86°69°5%
- Wed83°67°60%
- Thu77°68°60%
- Fri81°64°20%
- Sat85°67°4%
- Sun89°70°5%
- Mon92°76°4%
- Tue93°75°7%
- Wed78°64°11%
- Thu73°58°19%
- Fri76°59°14%
- Sat81°58°18%
- Sun76°58°29%
- Mon75°56°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 — Clear Lake
SPC includes Clear Lake in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Clear Lake
- 50428