Today | Weather | Tuesday, September 1, 2026
Active Weather Warnings

Weather in Ankeny, Iowa

10:25 AM
Now
Cloudy Weather
88° F
Feels Like 100°
Precipitation 7 %
Wind 5 mph
UV Index (0 - 11+) 4
Humidity 67 %
Today
Cloudy Weather
Day 91°
Night 72°
Precipitation 25 %
Wind 6 mph
UV Index (0 - 11+) 7

Ankeny Weather Forecast Updated

28 minutes ago
Last updated on

Air Quality in Ankeny

NOW
28 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.9 µg/m³
PM10 5.3 µg/m³
O3 0.030 ppm
NO2 1.3 ppb
SO2 0.4 ppb
CO 0.11 ppm
NH3 2.05 µg/m³
NO 0.58 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.54.9 µg/m³
PM105.3 µg/m³
O359.54 µg/m³
NO22.51 µg/m³
SO21.03 µg/m³
CO120.75 µg/m³
NH32.05 µg/m³
NO0.58 µg/m³

Weather Alerts and Warnings for Ankeny

Moderate Expected Likely

Heat Advisory

Heat Advisory issued September 1 at 8:00AM CDT until September 2 at 7:00PM CDT by NWS Des Moines IA
Sep 1, 8:00 AM Sep 2, 7:00 PM
WHAT: Heat index values up to 100-103 degrees.

WHERE: Portions of central and south central Iowa, including the
Des Moines metro.

WHEN: Until 7 PM CDT Wednesday.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Updated: Sep 1, 9:56 AM Source: NWS Alert