Sibley, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sibley weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy16%—83°67°—
- SundayJul 5Overcast20%—84°66°+1°
- MondayJul 6Overcast——84°65°0°
- TuesdayJul 7Light Drizzle27%—87°66°+3°
- WednesdayJul 8Light Showers35%—77°66°-10°
- ThursdayJul 9Overcast34%—79°59°+2°
- FridayJul 10Overcast——78°60°-1°
AQI 39 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 49 — peak already passed at 1 PM under partly cloudy 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 49 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 49
- UV peak
- 4.0 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 49
PM × Wind × Precip
PM2.5 at 5.8 µg/m³ (AQI 32) with a 0.79 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.79
- 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
- 11:23 PM
- Moonset
- 10:25 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Sibley at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: May 6 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 51249
16-Day Forecast — Sibley
- Sat83°67°16%
- Sun84°66°20%
- Mon84°65°4%
- Tue87°66°27%
- Wed77°66°35%
- Thu79°59°34%
- Fri78°60°7%
- Sat78°59°13%
- Sun79°61°8%
- Mon81°60°4%
- Tue85°61°3%
- Wed87°64°8%
- Thu86°67°17%
- Fri83°61°19%
- Sat71°58°14%
- Sun79°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 — Sibley
SPC has placed Sibley in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- 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 Sibley
- 51249