Heat Advisory — Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Adams, IA, Union, IA, Taylor, IA, Ringgold, IA 12:00 PM Excessive Heat Warning — Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Adams, IA, Union, IA, Taylor, IA, Ringgold, IA, Butler, IA, Bremer, IA, Grundy, IA, Black Hawk, IA, Marshall, IA, Tama, IA, Jasper, IA, Poweshiek, IA, Marion, IA, Mahaska, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Decatur, IA, Wayne, IA, Appanoose, IA, Davis, IA 9:00 PM Extreme Heat Watch 10:00 PM

Cass County, Iowa, United States

Last updated: 10:12 AM CDT  ·  Refresh
31°C
Feels like 37°
Mostly Cloudy
▲ 40°  /  ▼ 24°
Wind
10 mph SW
Humidity
68%
Dew Point
26°
Pressure
28.57 inHg
Visibility
4 mi
UV Index
6.5
Cloud Cover
61%
Sunrise
6:09 AM
Sunset
8:42 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Cass County is currently mostly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4034 J/kg) — isolated convective development possible. Sunrise: 6:09AM · Sunset: 8:42PM.

Alerts

Heat Advisory
Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Adams, IA, Union, IA, Taylor, IA, Ringgold, IA
Expires 12:00 PM
Excessive Heat Warning
Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Adams, IA, Union, IA, Taylor, IA, Ringgold, IA, Butler, IA, Bremer, IA, Grundy, IA, Black Hawk, IA, Marshall, IA, Tama, IA, Jasper, IA, Poweshiek, IA, Marion, IA, Mahaska, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Decatur, IA, Wayne, IA, Appanoose, IA, Davis, IA
Expires 9:00 PM
Extreme Heat Watch
Expires 10:00 PM
48 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
3%
11 AM
33°
21%
12 PM
36°
14%
1 PM
37°
3%
2 PM
38°
7%
3 PM
39°
7%
4 PM
39°
15%
5 PM
38°
16%
6 PM
38°
16%
7 PM
37°
16%
8 PM
35°
21%
9 PM
33°
30%
10 PM
31°
31%
11 PM
30°
31%
12 AM
29°
35%
1 AM
28°
35%
2 AM
28°
33%
3 AM
27°
33%
4 AM
27°
24%
5 AM
27°
25%
6 AM
26°
15%
7 AM
26°
5%
8 AM
28°
22%
9 AM
29°
29%
7-Day Forecast
Today
40° 24°
Partly Cloudy with a 31% chance of rain.
Mon
41° 24°
Mostly Clear with a 35% chance of rain.
Tue
36° 23°
Mostly Cloudy with a 33% chance of rain.
Wed
35° 22°
Clear with a 43% chance of rain.
Thu
32° 22°
Drizzle, 51% chance.
Fri
33° 20°
Drizzle, 82% chance.
Sat
33° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 31° Mostly Cloudy 3% 10 mph SW 68%
11 AM 33° Partly Cloudy 21% 11 mph SW 56%
12 PM 36° Partly Cloudy 14% 11 mph SW 45%
1 PM 37° Partly Cloudy 3% 12 mph SSW 35%
2 PM 38° Partly Cloudy 7% 13 mph SSW 32%
3 PM 39° Partly Cloudy 7% 14 mph SSW 30%
4 PM 39° Partly Cloudy 15% 15 mph SSW 28%
5 PM 38° Partly Cloudy 16% 15 mph SSW 29%
6 PM 38° Mostly Clear 16% 14 mph SSW 32%
7 PM 37° Clear 16% 13 mph SSW 36%
8 PM 35° Mostly Clear 21% 12 mph SSW 42%
9 PM 33° Mostly Clear 30% 10 mph S 49%
10 PM 31° Partly Cloudy 31% 10 mph S 55%
11 PM 30° Mostly Cloudy 31% 8 mph S 62%
12 AM 29° Mostly Cloudy 35% 6 mph S 68%
1 AM 28° Mostly Cloudy 35% 7 mph SSW 73%
2 AM 28° Partly Cloudy 33% 7 mph SSW 74%
3 AM 27° Partly Cloudy 33% 9 mph SSW 74%
4 AM 27° Mostly Clear 24% 10 mph SSW 75%
5 AM 27° Mostly Clear 25% 9 mph SSW 76%
6 AM 26° Mostly Clear 15% 8 mph SSW 78%
7 AM 26° Clear 5% 7 mph S 78%
8 AM 28° Clear 22% 7 mph SSW 71%
9 AM 29° Mostly Clear 29% 8 mph SSW 63%
15-Day Forecast
Today
7/26
Partly Cloudy
31%
24°
40°
Mon
7/27
Mostly Clear
35%
24°
41°
Tue
7/28
Mostly Cloudy
33%
23°
36°
Wed
7/29
Clear
43%
22°
35°
Thu
7/30
Drizzle
51%
22°
32°
Fri
7/31
Drizzle
82%
20°
33°
Sat
8/1
Clear
17%
19°
33°
Sun
8/2
Clear
18%
19°
35°
Mon
8/3
Drizzle
68%
20°
37°
Tue
8/4
Drizzle
68%
22°
38°
Wed
8/5
Drizzle
60%
21°
36°
Thu
8/6
Drizzle
60%
19°
34°
Fri
8/7
Drizzle
60%
19°
34°
Sat
8/8
Drizzle
60%
21°
36°
Sun
8/9
Drizzle
60%
21°
36°
48
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
48 AQI 8.8 µg/m³
O3
Ground-level ozone
39 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 48 Good 39 48
Tue 52 Moderate 39 52
Wed 53 Moderate 41 53
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. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sun Jul 26, 13:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE5172 J/kg
MLCAPE2843 J/kg
MUCAPE5172 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-11.1
Kinematics
0–6 km Shear25 kt
0–1 km Shear3 kt
Eff. Shear24 kt
0–1 km SRH-1
0–3 km SRH-1
Eff. SRH-1
Storm Motion260° @ 25 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.1
Thermo & Levels
PWAT1.48 in
0–3 km LR6.3 °C/km
700–500 LR7.3 °C/km
Total Totals51.4
LCL897 hPa
LFC967 hPa
EL130 hPa
Freezing Lvl15,377 ft