Waterloo, Nebraska Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Waterloo weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle50%0.04″85°69°—
- SundayJul 5Overcast10%—90°68°+5°
- MondayJul 6Partly Cloudy——86°67°-4°
- TuesdayJul 7Overcast——89°68°+3°
- WednesdayJul 8Light Showers44%—92°69°+3°
- ThursdayJul 9Showers47%0.12″85°68°-7°
- FridayJul 10Showers12%0.24″83°65°-2°
AQI 42 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.0 µg/m³, PM10 at 16.1 µg/m³ — typical background levels with no transport signature.
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 40. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 6.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 16
PM × Wind × Precip
PM2.5 at 12.0 µg/m³, PM10 at 16.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.75
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:22 PM
- Moonset
- 10:30 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Waterloo at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 68069
16-Day Forecast — Waterloo
- Sat85°69°50%
- Sun90°68°10%
- Mon86°67°2%
- Tue89°68°1%
- Wed92°69°44%
- Thu85°68°47%
- Fri83°65°12%
- Sat80°60°6%
- Sun80°61°5%
- Mon82°63°6%
- Tue83°64°3%
- Wed88°66°10%
- Thu92°70°13%
- Fri91°66°16%
- Sat80°66°23%
- Sun79°59°13%
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 — Waterloo
SPC has placed Waterloo in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Waterloo
- 68069