Sidney, Iowa Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sidney weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Showers77%1.4″80°67°—
- SundayJul 5Heavy Rain—1.2″86°67°+6°
- MondayJul 6Partly Cloudy——84°67°-2°
- TuesdayJul 7Overcast——85°66°+1°
- WednesdayJul 8Light Drizzle37%—96°67°+11°
- ThursdayJul 9Light Showers46%0.06″85°69°-11°
- FridayJul 10Light Showers24%0.17″82°67°-3°
AQI 33 (Good), driven by Ozone. AQI up 8 over the last 6 hours (gradual rise). Ozone at AQI 42 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
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 42 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 42
- UV peak
- 3.6 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 42
PM × Wind × Precip
PM2.5 at 6.0 µg/m³ (AQI 33) with a 0.73 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.73
- 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
- 11:19 PM
- Moonset
- 10:28 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Sidney at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 51652
16-Day Forecast — Sidney
- Sat81°67°77%
- Sun86°66°9%
- Mon84°67°2%
- Tue85°66°1%
- Wed96°67°37%
- Thu85°69°46%
- Fri82°67°24%
- Sat78°60°6%
- Sun79°59°4%
- Mon80°60°4%
- Tue81°60°3%
- Wed84°59°6%
- Thu91°65°16%
- Fri94°68°23%
- Sat79°63°29%
- Sun75°58°16%
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 — Sidney
SPC has placed Sidney in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Sidney
- 51652