Storm Lake, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Storm Lake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy13%—87°65°—
- MondayJul 6Mostly Clear——89°67°+2°
- TuesdayJul 7Overcast——89°67°0°
- WednesdayJul 8Thunderstorm31%—86°66°-3°
- ThursdayJul 9Overcast27%—74°61°-12°
- FridayJul 10Light Drizzle——84°61°+10°
- SaturdayJul 11Light Drizzle——76°64°-8°
AQI 41 (Good), driven by Ozone. 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
PM × Wind × Precip
PM2.5 at 4.8 µg/m³ (AQI 27) with a 0.87 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.87
- 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
- 11:41 PM
- Moonset
- 11:33 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Storm Lake at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: May 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50588
15-Day Forecast — Storm Lake
- Sun87°65°13%
- Mon89°67°1%
- Tue89°67°8%
- Wed86°66°31%
- Thu74°61°27%
- Fri84°61°8%
- Sat76°64°7%
- Sun80°60°7%
- Mon88°64°4%
- Tue90°70°4%
- Wed83°67°8%
- Thu96°73°19%
- Fri94°73°21%
- Sat92°67°27%
- Sun83°62°6%
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 — Storm Lake
SPC includes Storm 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 Storm Lake
- 50588