Cass County, Iowa, United States

Last updated: 5:59 AM CDT · Refresh

20°C

Feels like 22°

Mostly Cloudy

▲ 21° / ▼ 14°

Wind

5 mph NNE

Humidity

95%

Dew Point

19°

Pressure

28.60 inHg

Visibility

7 mi

UV Index

0.0

Cloud Cover

74%

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 20°C. Precipitation is likely — peak probability 88% around 6 AM. Sunrise: 6:59AM · Sunset: 7:28PM.

31 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

20°

66%

6 AM

18°

87%

7 AM

18°

87%

8 AM

18°

75%

9 AM

17°

72%

10 AM

18°

72%

11 AM

18°

61%

12 PM

18°

62%

1 PM

19°

67%

2 PM

18°

67%

3 PM

18°

67%

4 PM

17°

58%

5 PM

18°

58%

6 PM

17°

44%

7 PM

17°

33%

8 PM

17°

33%

9 PM

16°

42%

10 PM

16°

52%

11 PM

15°

52%

12 AM

15°

52%

1 AM

16°

47%

2 AM

16°

48%

3 AM

16°

45%

4 AM

16°

54%

7-Day Forecast

Today

21° 14°

Thunderstorm, 75% chance.

Wed

21° 14°

Rain, 67% chance.

Thu

28° 18°

Mostly Cloudy with a 72% chance of rain.

Fri

33° 17°

Overcast with a 82% chance of rain.

Sat

30° 18°

Rain, 71% chance.

Sun

23° 15°

Clear with a 29% chance of rain.

Mon

23° 13°

Rain, 28% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 20° Mostly Cloudy 66% 5 mph NNE 95%

6 AM 18° Rain 87% 7 mph N 95%

7 AM 18° Heavy Rain 87% 8 mph N 92%

8 AM 18° Thunderstorm 75% 8 mph N 90%

9 AM 17° Heavy Rain 72% 10 mph N 86%

10 AM 18° Heavy Rain 72% 10 mph NNE 80%

11 AM 18° Overcast 61% 11 mph N 76%

12 PM 18° Overcast 62% 11 mph N 74%

1 PM 19° Overcast 67% 9 mph N 75%

2 PM 18° Rain 67% 9 mph NNE 76%

3 PM 18° Rain 67% 8 mph NNE 76%

4 PM 17° Rain 58% 8 mph NNE 78%

5 PM 18° Rain 58% 8 mph NNE 80%

6 PM 17° Mostly Cloudy 44% 8 mph NE 81%

7 PM 17° Mostly Cloudy 33% 8 mph NE 81%

8 PM 17° Mostly Cloudy 33% 7 mph NE 79%

9 PM 16° Mostly Cloudy 42% 7 mph NE 79%

10 PM 16° Mostly Cloudy 52% 7 mph ENE 80%

11 PM 15° Overcast 52% 7 mph ENE 81%

12 AM 15° Overcast 52% 7 mph ENE 81%

1 AM 16° Overcast 47% 8 mph ENE 81%

2 AM 16° Overcast 48% 8 mph ENE 81%

3 AM 16° Overcast 45% 9 mph ENE 80%

4 AM 16° Overcast 54% 9 mph ENE 81%

15-Day Forecast

Today

9/15

Thunderstorm

75%

14°

21°

Wed

9/16

Rain

67%

14°

21°

Thu

9/17

Mostly Cloudy

72%

18°

28°

Fri

9/18

Overcast

82%

17°

33°

Sat

9/19

Rain

71%

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, 09:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE0 J/kg

MLCAPE200 J/kg

MUCAPE636 J/kg

SBCIN—

MLCIN-120 J/kg

Lifted Index0.8

Kinematics

0–6 km Shear39 kt

0–1 km Shear25 kt

Eff. Shear33 kt

0–1 km SRH68

0–3 km SRH180

Eff. SRH242

Storm Motion266° @ 38 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.1

Supercell2.6

K-Index40.4

Thermo & Levels

PWAT2.14 in

0–3 km LR4.2 °C/km

700–500 LR5.7 °C/km

Total Totals47.9

LCL960 hPa

LFC—

EL—

Freezing Lvl14,032 ft

Cass County, Iowa, United States

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