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Today | Weather | Sunday, December 14, 2025
Active Weather Warnings

Weather in Des Moines, Iowa

07:17 AM
Now
Cloudy Night
-4° F
Feels Like -11°
Precipitation 0 %
Wind 6 mph
Humidity 74 %
Today
Cloudy Weather
Day 10°
Night 7°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 2

Des Moines Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 14, 2024)
Rainy Weather

Day

34°

Night

30°

Wind

4 mph

Precipitation

75 %

Air Quality in Des Moines

NOW
36 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2 µg/m³
PM10 2.13 µg/m³
O3 0.039 ppm
NO2 1.5 ppb
SO2 0.3 ppb
CO 0.13 ppm
NH3 1.23 µg/m³
NO 0 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)
PM2.5 – 2 µg/m³
PM10 – 2.13 µg/m³
O3 – 76.28 µg/m³
NO2 – 2.84 µg/m³
SO2 – 0.89 µg/m³
CO – 152.84 µg/m³
NH3 – 1.23 µg/m³
NO – 0 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Des Moines

Moderate Expected Likely

Cold Weather Advisory

Cold Weather Advisory issued December 14 at 2:43AM CST until December 14 at 10:00AM CST by NWS Des Moines IA
Dec 14, 2:43 AM → Dec 14, 10:00 AM
WHAT: Very cold wind chills as low as 30 below.

WHERE: Much of northern, central and southeastern Iowa.

WHEN: Until 10 AM CST this morning.

IMPACTS: The dangerously cold wind chills as low as 30 below zero
could cause frostbite on exposed skin in as little as 30 minutes.
+ Read More
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Updated: Dec 14, 6:08 AM Source: NWS Alert