Today | Weather | Wednesday, August 12, 2026

Active Weather Warnings

Severe Thunderstorm Watch

Weather in Ames, Iowa

06:48 AM

Now

73° F

Feels Like 75°

Precipitation 48 %

Wind 6 mph

UV Index (0 - 11+) 0

Humidity 90 %

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.

Ames Weather Forecast Updated

55 minutes ago

Last updated on August 12, 2026 at 5:52 AM

Air Quality in Ames

NOW

15 AQI

Good air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 3.7 µg/m³

PM₁₀ 4.08 µg/m³

O₃ 0.015 ppm

NO₂ 1.5 ppb

SO₂ 0.2 ppb

CO 0.09 ppm

NH₃ 1.59 µg/m³

NO 0.07 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 – 3.7 µg/m³

PM₁₀ – 4.08 µg/m³

O₃ – 29.25 µg/m³

NO₂ – 2.73 µg/m³

SO₂ – 0.6 µg/m³

CO – 107.31 µg/m³

NH₃ – 1.59 µg/m³

NO – 0.07 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Ames

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

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM
WATCH 573 TO INCLUDE THE FOLLOWING AREAS UNTIL 10 AM CDT THIS
MORNING

IN IOWA THIS WATCH INCLUDES 8 COUNTIES

IN CENTRAL IOWA

HAMILTON STORY WEBSTER

IN NORTH CENTRAL IOWA

HUMBOLDT WRIGHT

IN NORTHWEST IOWA

POCAHONTAS

IN WEST CENTRAL IOWA

CALHOUN SAC

THIS INCLUDES THE CITIES OF AMES, BELMOND, CLARION, EAGLE GROVE,
EARLY, FONDA, FORT DODGE, GILMORE CITY, HUMBOLDT, LAKE CITY,
LAKE VIEW, LAURENS, MANSON, ODEBOLT, POCAHONTAS, POMEROY,
ROCKWELL CITY, ROLFE, SAC CITY, SCHALLER, WALL LAKE,
AND WEBSTER CITY.

* 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, 5:52 AM Source: NWS Alert