Sun Valley Lake, Iowa Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Sun Valley Lake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle74%0.04″82°68°—
- SundayJul 5Overcast——89°67°+7°
- MondayJul 6Overcast——91°67°+2°
- TuesdayJul 7Overcast——84°66°-7°
- WednesdayJul 8Light Showers29%—88°67°+4°
- ThursdayJul 9Thunderstorm50%0.03″80°69°-8°
- FridayJul 10Light Drizzle27%—81°68°+1°
AQI 39 (Good), driven by PM2.5. AQI up 9 over the last 6 hours (gradual rise). PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.81 fine-to-coarse ratio and 4 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 31 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 31
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.81 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- 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
- 11:35 PM
- Moonset
- 11:29 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Sun Valley Lake at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Sun Valley Lake
- Sat82°68°74%
- Sun89°67°9%
- Mon91°67°1%
- Tue84°66°1%
- Wed88°67°29%
- Thu80°69°50%
- Fri81°68°27%
- Sat78°65°9%
- Sun78°62°4%
- Mon83°61°3%
- Tue86°66°6%
- Wed84°68°7%
- Thu90°73°19%
- Fri93°73°13%
- Sat92°74°14%
- Sun87°68°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 — Sun Valley Lake
SPC includes Sun Valley Lake 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 Sun Valley Lake
- 50074