Today | Weather | Wednesday, August 12, 2026

Active Weather Warnings

Severe Thunderstorm Watch

Weather in Ankeny, Iowa

06:49 AM

Now

72° F

Feels Like 73°

Precipitation 47 %

Wind 8 mph

UV Index (0 - 11+) 0

Humidity 96 %

Today

Day 84°

Night 72°

Precipitation 55 %

Wind 8 mph

UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Ankeny Weather Forecast Updated

55 minutes ago

Last updated on August 12, 2026 at 5:54 AM

Air Quality in Ankeny

NOW

21 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 2.2 µg/m³

PM₁₀ 2.49 µg/m³

O₃ 0.022 ppm

NO₂ 1.2 ppb

SO₂ 0.4 ppb

CO 0.09 ppm

NH₃ 1.72 µg/m³

NO 0 µg/m³

PM_2.5 – 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)

PM_2.5 – 2.2 µg/m³

PM₁₀ – 2.49 µg/m³

O₃ – 43.96 µg/m³

NO₂ – 2.28 µg/m³

SO₂ – 1.03 µg/m³

CO – 101.83 µg/m³

NH₃ – 1.72 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Ankeny

Severe Future Possible

Severe Thunderstorm Watch

Severe Thunderstorm Watch issued August 12 at 4:16AM CDT until August 12 at 10:00AM CDT by NWS Des Moines IA

Aug 12, 4:16 AM → Aug 12, 10:00 AM

SEVERE THUNDERSTORM WATCH 573 REMAINS VALID UNTIL 10 AM CDT THIS
MORNING FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 18 COUNTIES

IN CENTRAL IOWA

BOONE DALLAS POLK

IN SOUTH CENTRAL IOWA

CLARKE DECATUR MADISON
RINGGOLD UNION WARREN

IN SOUTHWEST IOWA

ADAIR ADAMS CASS
TAYLOR

IN WEST CENTRAL IOWA

AUDUBON CARROLL CRAWFORD
GREENE GUTHRIE

THIS INCLUDES THE CITIES OF ADAIR, ADEL, ATLANTIC, AUDUBON,
BAYARD, BEDFORD, BOONE, CARLISLE, CARROLL, CASEY, CORNING,
CRESTON, DENISON, DES MOINES, EARLHAM, EXIRA, FONTANELLE,
GREENFIELD, GUTHRIE CENTER, INDIANOLA, JEFFERSON, LAMONI, LENOX,
LEON, MOUNT AYR, NEW MARKET, NORWALK, OSCEOLA, PANORA, PERRY,
STUART, WAUKEE, AND WINTERSET.

* PRIMARY THREATS INCLUDE...

SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS
TO 80 MPH POSSIBLE.
ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE.

Updated: Aug 12, 5:54 AM Source: NWS Alert