Hourly Weather Forecast for Iowa City, Iowa

Hourly Weather | Today › Wednesday, August 12, 2026

Active Weather Warnings

Severe Thunderstorm Watch

Iowa City, Iowa

8 AM

73°

Feels Like 79°

Humidity: 93%

UV Index: 1

Wind: 5 mph

9 AM

75°

Feels Like 84°

Humidity: 91%

UV Index: 3

Wind: 7 mph

10 AM

77°

Feels Like 88°

Humidity: 87%

UV Index: 4

Wind: 7 mph

11 AM

79°

Feels Like 91°

Humidity: 86%

UV Index: 6

Wind: 7 mph

12 PM

79°

Feels Like 93°

Humidity: 86%

UV Index: 8

Wind: 7 mph

1 PM

81°

Feels Like 91°

Humidity: 84%

UV Index: 8

Wind: 7 mph

2 PM

81°

Feels Like 97°

Humidity: 81%

UV Index: 8

Wind: 7 mph

3 PM

81°

Feels Like 91°

Humidity: 89%

UV Index: 5

Wind: 7 mph

4 PM

82°

Feels Like 95°

Humidity: 72%

UV Index: 4

Wind: 7 mph

5 PM

81°

Feels Like 90°

Humidity: 86%

UV Index: 3

Wind: 7 mph

6 PM

81°

Feels Like 90°

Humidity: 80%

UV Index: 2

Wind: 7 mph

7 PM

81°

Feels Like 88°

Humidity: 82%

UV Index: 1

Wind: 7 mph

8 PM

79°

Feels Like 86°

Humidity: 83%

UV Index: 0

Wind: 6 mph

9 PM

79°

Feels Like 84°

Humidity: 86%

UV Index: 0

Wind: 6 mph

10 PM

77°

Feels Like 82°

Humidity: 89%

UV Index: 0

Wind: 5 mph

11 PM

75°

Feels Like 82°

Humidity: 92%

UV Index: 0

Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 AM

17 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 4.15 µg/m³
PM₁₀: 4.53 µg/m³
O₃: 0.017 ppm
NO₂: 1.4 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

9 AM

17 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 4.05 µg/m³
PM₁₀: 4.44 µg/m³
O₃: 0.017 ppm
NO₂: 1.3 ppb
SO₂: 0.2 ppb
CO: 0.10 ppm

Health Recommendations:

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

10 AM

18 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.99 µg/m³
PM₁₀: 4.36 µg/m³
O₃: 0.019 ppm
NO₂: 1.1 ppb
SO₂: 0.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

11 AM

27 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.05 µg/m³
PM₁₀: 4.39 µg/m³
O₃: 0.029 ppm
NO₂: 0.7 ppb
SO₂: 0.6 ppb
CO: 0.09 ppm

Health Recommendations:

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

12 PM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.39 µg/m³
PM₁₀: 4.7 µg/m³
O₃: 0.033 ppm
NO₂: 0.5 ppb
SO₂: 0.7 ppb
CO: 0.09 ppm

Health Recommendations:

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

1 PM

34 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.89 µg/m³
PM₁₀: 5.18 µg/m³
O₃: 0.037 ppm
NO₂: 0.4 ppb
SO₂: 0.8 ppb
CO: 0.09 ppm

Health Recommendations:

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

2 PM

36 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.15 µg/m³
PM₁₀: 5.45 µg/m³
O₃: 0.039 ppm
NO₂: 0.4 ppb
SO₂: 0.8 ppb
CO: 0.09 ppm

Health Recommendations:

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

3 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.05 µg/m³
PM₁₀: 5.36 µg/m³
O₃: 0.040 ppm
NO₂: 0.5 ppb
SO₂: 0.8 ppb
CO: 0.09 ppm

Health Recommendations:

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

4 PM

37 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.83 µg/m³
PM₁₀: 5.14 µg/m³
O₃: 0.040 ppm
NO₂: 0.5 ppb
SO₂: 0.7 ppb
CO: 0.09 ppm

Health Recommendations:

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

5 PM

35 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.64 µg/m³
PM₁₀: 4.94 µg/m³
O₃: 0.038 ppm
NO₂: 0.7 ppb
SO₂: 0.7 ppb
CO: 0.09 ppm

Health Recommendations:

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

6 PM

33 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.49 µg/m³
PM₁₀: 4.76 µg/m³
O₃: 0.036 ppm
NO₂: 0.9 ppb
SO₂: 0.6 ppb
CO: 0.10 ppm

Health Recommendations:

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

7 PM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.26 µg/m³
PM₁₀: 4.51 µg/m³
O₃: 0.033 ppm
NO₂: 1.1 ppb
SO₂: 0.5 ppb
CO: 0.10 ppm

Health Recommendations:

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

8 PM

27 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.97 µg/m³
PM₁₀: 4.21 µg/m³
O₃: 0.029 ppm
NO₂: 1.3 ppb
SO₂: 0.4 ppb
CO: 0.10 ppm

Health Recommendations:

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

9 PM

23 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.82 µg/m³
PM₁₀: 4.07 µg/m³
O₃: 0.025 ppm
NO₂: 1.3 ppb
SO₂: 0.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

10 PM

20 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.74 µg/m³
PM₁₀: 4.01 µg/m³
O₃: 0.022 ppm
NO₂: 1.4 ppb
SO₂: 0.2 ppb
CO: 0.10 ppm

Health Recommendations:

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

11 PM

18 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.67 µg/m³
PM₁₀: 3.94 µg/m³
O₃: 0.019 ppm
NO₂: 1.5 ppb
SO₂: 0.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Iowa City

Severe Future Possible

Severe Thunderstorm Watch

Severe Thunderstorm Watch issued August 12 at 6:42AM CDT until August 12 at 1:00PM CDT by NWS Quad Cities IA IL

Aug 12, 6:42 AM → Aug 12, 1:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
574 IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON FOR THE FOLLOWING
AREAS

IN ILLINOIS THIS WATCH INCLUDES 8 COUNTIES

IN NORTH CENTRAL ILLINOIS

BUREAU PUTNAM

IN NORTHWEST ILLINOIS

HENRY IL MERCER ROCK ISLAND
WHITESIDE

IN WEST CENTRAL ILLINOIS

HENDERSON WARREN

IN IOWA THIS WATCH INCLUDES 8 COUNTIES

IN EAST CENTRAL IOWA

CEDAR CLINTON JOHNSON
MUSCATINE SCOTT

IN SOUTHEAST IOWA

DES MOINES LOUISA WASHINGTON

THIS INCLUDES THE CITIES OF ALEDO, BETTENDORF, BURLINGTON,
CLINTON, CREDIT ISLAND, DAVENPORT, GENESEO, HENNEPIN, IOWA CITY,
MOLINE, MONMOUTH, MUSCATINE, OQUAWKA, PRINCETON, ROCK ISLAND,
STERLING, TIPTON, WAPELLO, AND WASHINGTON.

Updated: Aug 12, 7:30 AM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

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Weather Alerts and Warnings for Iowa City

Severe Thunderstorm Watch

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