Cass County, Iowa, United States

Last updated: 4:33 AM CDT · Refresh

21°C

Feels like 22°

Mostly Cloudy

▲ 21° / ▼ 14°

Wind

8 mph SW

Humidity

96%

Dew Point

20°

Pressure

28.57 inHg

Visibility

8 mi

UV Index

0.0

Cloud Cover

81%

Sunrise

6:59 AM

Sunset

7:28 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Cass County is currently mostly cloudy at 21°C. Precipitation is likely — peak probability 88% around 7 AM. Sunrise: 6:59AM · Sunset: 7:28PM.

31 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

21°

69%

5 AM

19°

71%

6 AM

18°

74%

7 AM

18°

87%

8 AM

18°

76%

9 AM

17°

72%

10 AM

18°

73%

11 AM

18°

61%

12 PM

18°

55%

1 PM

19°

67%

2 PM

18°

67%

3 PM

18°

67%

4 PM

17°

58%

5 PM

18°

58%

6 PM

17°

49%

7 PM

17°

44%

8 PM

17°

44%

9 PM

16°

53%

10 PM

16°

62%

11 PM

15°

62%

12 AM

15°

63%

1 AM

16°

63%

2 AM

16°

57%

3 AM

16°

57%

7-Day Forecast

Today

21° 14°

Overcast with a 87% chance of rain.

Wed

21° 14°

Rain, 73% chance.

Thu

28° 18°

Mostly Cloudy with a 70% chance of rain.

Fri

32° 18°

Overcast with a 82% chance of rain.

Sat

30° 18°

Rain, 82% chance.

Sun

23° 15°

Clear with a 29% chance of rain.

Mon

23° 13°

Rain, 28% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 21° Mostly Cloudy 69% 8 mph SW 96%

5 AM 19° Overcast 71% 4 mph N 95%

6 AM 18° Overcast 74% 5 mph N 95%

7 AM 18° Overcast 87% 8 mph N 93%

8 AM 18° Heavy Rain 76% 8 mph N 91%

9 AM 17° Thunderstorm 72% 10 mph N 88%

10 AM 18° Heavy Rain 73% 10 mph NNE 83%

11 AM 18° Overcast 61% 10 mph NNE 78%

12 PM 18° Overcast 55% 11 mph N 75%

1 PM 19° Rain 67% 10 mph N 75%

2 PM 18° Thunderstorm 67% 9 mph NNE 76%

3 PM 18° Thunderstorm 67% 8 mph NNE 76%

4 PM 17° Rain 58% 8 mph NNE 77%

5 PM 18° Rain 58% 7 mph NNE 79%

6 PM 17° Rain 49% 7 mph NNE 81%

7 PM 17° Mostly Cloudy 44% 8 mph NNE 81%

8 PM 17° Mostly Cloudy 44% 8 mph NE 80%

9 PM 16° Mostly Cloudy 53% 8 mph NE 79%

10 PM 16° Mostly Cloudy 62% 8 mph NE 79%

11 PM 15° Mostly Cloudy 62% 8 mph NE 80%

12 AM 15° Overcast 63% 8 mph ENE 81%

1 AM 16° Overcast 63% 8 mph ENE 81%

2 AM 16° Overcast 57% 9 mph ENE 81%

3 AM 16° Overcast 57% 9 mph ENE 80%

15-Day Forecast

Today

9/15

Overcast

87%

14°

21°

Wed

9/16

Rain

73%

14°

21°

Thu

9/17

Mostly Cloudy

70%

18°

28°

Fri

9/18

Overcast

82%

18°

32°

Sat

9/19

Rain

82%

18°

30°

Sun

9/20

Clear

29%

15°

23°

Mon

9/21

Rain

28%

13°

23°

Tue

9/22

Rain

68%

11°

23°

Wed

9/23

Rain

68%

13°

24°

Thu

9/24

Clear

19%

11°

23°

Fri

9/25

Drizzle

60%

12°

26°

Sat

9/26

Clear

60%

14°

27°

Sun

9/27

Drizzle

60%

14°

27°

Mon

9/28

Drizzle

60%

14°

26°

Tue

9/29

Drizzle

60%

14°

25°

Good

U.S. Air Quality Index · Dominant: O3

50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

19 AQI 3.5 µg/m³

O₃

Ground-level ozone

Dominant

31 AQI 33 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 31 Good 31 19

Wed 23 Good 23 18

Thu 27 Good 19 27

About the Air Quality Index

0–50 Good

51–100 Moderate

101–150 Unhealthy for Sensitive Groups

151–200 Unhealthy

201–300 Very Unhealthy

301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Tue Sep 15, 08:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE49 J/kg

MLCAPE241 J/kg

MUCAPE469 J/kg

SBCIN-218 J/kg

MLCIN-133 J/kg

Lifted Index-0.1

Kinematics

0–6 km Shear32 kt

0–1 km Shear34 kt

Eff. Shear24 kt

0–1 km SRH90

0–3 km SRH180

Eff. SRH210

Storm Motion263° @ 40 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell1.2

K-Index38.5

Thermo & Levels

PWAT2.07 in

0–3 km LR4.6 °C/km

700–500 LR5.5 °C/km

Total Totals45.9

LCL958 hPa

LFC680 hPa

EL488 hPa

Freezing Lvl13,789 ft

Cass County, Iowa, United States

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