Cass County, Iowa, United States

Last updated: 6:47 AM CDT · Refresh

20°C

Feels like 22°

Rain

▲ 21° / ▼ 14°

Wind

6 mph N

Humidity

96%

Dew Point

20°

Pressure

28.62 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

78%

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 rain at 20°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

20°

87%

7 AM

19°

87%

8 AM

18°

76%

9 AM

17°

72%

10 AM

17°

65%

11 AM

17°

66%

12 PM

17°

53%

1 PM

19°

56%

2 PM

18°

61%

3 PM

18°

60%

4 PM

18°

60%

5 PM

18°

58%

6 PM

17°

50%

7 PM

17°

46%

8 PM

17°

46%

9 PM

16°

50%

10 PM

16°

59%

11 PM

16°

59%

12 AM

16°

58%

1 AM

16°

62%

2 AM

16°

60%

3 AM

16°

57%

4 AM

16°

65%

5 AM

14°

65%

7-Day Forecast

Today

21° 14°

Heavy Rain, 87% chance.

Wed

21° 14°

Overcast with a 67% chance of rain.

Thu

27° 17°

Partly Cloudy with a 56% chance of rain.

Fri

32° 18°

Overcast with a 75% chance of rain.

Sat

29° 18°

Rain, 83% chance.

Sun

23° 14°

Rain, 55% chance.

Mon

23° 12°

Partly Cloudy with a 21% chance of rain.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 20° Rain 87% 6 mph N 96%

7 AM 19° Rain 87% 8 mph NNW 93%

8 AM 18° Heavy Rain 76% 10 mph N 88%

9 AM 17° Heavy Rain 72% 12 mph N 80%

10 AM 17° Overcast 65% 11 mph N 75%

11 AM 17° Overcast 66% 11 mph NNE 74%

12 PM 17° Overcast 53% 10 mph NNE 73%

1 PM 19° Overcast 56% 9 mph NNE 74%

2 PM 18° Rain 61% 8 mph NNE 77%

3 PM 18° Rain 60% 7 mph NNE 79%

4 PM 18° Rain 60% 8 mph NNE 80%

5 PM 18° Rain 58% 7 mph NNE 80%

6 PM 17° Rain 50% 7 mph NNE 82%

7 PM 17° Mostly Cloudy 46% 7 mph NE 82%

8 PM 17° Mostly Cloudy 46% 7 mph NE 81%

9 PM 16° Mostly Cloudy 50% 7 mph NE 81%

10 PM 16° Mostly Cloudy 59% 6 mph ENE 81%

11 PM 16° Overcast 59% 7 mph ENE 82%

12 AM 16° Overcast 58% 7 mph ENE 82%

1 AM 16° Overcast 62% 8 mph ENE 82%

2 AM 16° Overcast 60% 8 mph ENE 82%

3 AM 16° Overcast 57% 9 mph ENE 82%

4 AM 16° Overcast 65% 9 mph ENE 83%

5 AM 14° Overcast 65% 9 mph ENE 84%

15-Day Forecast

Today

9/15

Heavy Rain

87%

14°

21°

Wed

9/16

Overcast

67%

14°

21°

Thu

9/17

Partly Cloudy

56%

17°

27°

Fri

9/18

Overcast

75%

18°

32°

Sat

9/19

Rain

83%

18°

29°

Sun

9/20

Rain

55%

14°

23°

Mon

9/21

Partly Cloudy

21%

12°

23°

Tue

9/22

Rain

66%

11°

24°

Wed

9/23

Drizzle

66%

12°

25°

Thu

9/24

Mostly Cloudy

27%

10°

23°

Fri

9/25

Drizzle

60%

9°

26°

Sat

9/26

Clear

25%

14°

27°

Sun

9/27

Drizzle

60%

14°

27°

Mon

9/28

Clear

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, 10:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE0 J/kg

MLCAPE208 J/kg

MUCAPE515 J/kg

SBCIN—

MLCIN-93 J/kg

Lifted Index0.2

Kinematics

0–6 km Shear42 kt

0–1 km Shear16 kt

Eff. Shear38 kt

0–1 km SRH37

0–3 km SRH126

Eff. SRH179

Storm Motion266° @ 36 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.1

Supercell1.8

K-Index40.8

Thermo & Levels

PWAT2.12 in

0–3 km LR4.3 °C/km

700–500 LR5.7 °C/km

Total Totals48.0

LCL963 hPa

LFC—

EL—

Freezing Lvl14,157 ft

Cass County, Iowa, United States

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