Today | Weather | Saturday, May 23, 2026

Weather in Des Moines, Iowa

04:24 PM
Now
Cloudy Weather
75° F
Feels Like 77°
Precipitation 7 %
Wind 10 mph
UV Index (0 - 11+) 4
Humidity 39 %
Today
Cloudy Weather
Day 75°
Night 55°
Precipitation 25 %
Wind 10 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.

Des Moines Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 23, 2025)
Partly Sunny with Showers

Day

68°

Night

54°

Wind

6 mph

UV Index

10

Precipitation

40 %

Air Quality in Des Moines

NOW
45 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.2 µg/m³
PM10 1.39 µg/m³
O3 0.049 ppm
NO2 0.2 ppb
SO2 0.2 ppb
CO 0.10 ppm
NH3 1.27 µg/m³
NO 0.07 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)
PM2.51.2 µg/m³
PM101.39 µg/m³
O395.37 µg/m³
NO20.31 µg/m³
SO20.42 µg/m³
CO113.34 µg/m³
NH31.27 µg/m³
NO0.07 µg/m³