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

Sac County, Iowa, United States

Last updated: 3:31 PM CDT  ·  Refresh
32°C
Feels like 39°
Mostly Clear
▲ 34°  /  ▼ 23°
Wind
21 mph S
Humidity
64%
Dew Point
25°
Pressure
28.31 inHg
Visibility
10 mi
UV Index
8.8
Cloud Cover
15%
Sunrise
5:46 AM
Sunset
9:01 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sac County is currently mostly clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4530 J/kg) — isolated convective development possible. Sunrise: 5:46AM · Sunset: 9:01PM.

Alerts

Excessive Heat Watch
Expires 9:00 PM
Excessive Heat Warning
Emmet, IA, Kossuth, IA, Palo Alto, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Marshall, IA, Tama, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Jasper, IA, Poweshiek, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Marion, IA, Mahaska, IA, Adams, IA, Union, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Taylor, IA, Ringgold, IA, Decatur, IA, Wayne, IA, Appanoose, IA, Davis, IA, Winnebago, IA, Worth, IA, Hancock, IA, Cerro Gordo, IA, Franklin, IA, Butler, IA, Bremer, IA, Grundy, IA, Black Hawk, IA
Expires 10:00 PM
40 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
8%
4 PM
32°
21%
5 PM
34°
21%
6 PM
33°
21%
7 PM
32°
21%
8 PM
31°
21%
9 PM
30°
21%
10 PM
29°
21%
11 PM
29°
25%
12 AM
29°
24%
1 AM
28°
39%
2 AM
27°
24%
3 AM
26°
20%
4 AM
26°
9%
5 AM
23°
5%
6 AM
23°
3%
7 AM
23°
3%
8 AM
25°
3%
9 AM
27°
3%
10 AM
29°
3%
11 AM
29°
3%
12 PM
31°
3%
1 PM
31°
5%
2 PM
31°
13%
7-Day Forecast
Today
34° 23°
Mostly Clear with a 21% chance of rain.
Tue
34° 23°
Partly Cloudy with a 40% chance of rain.
Wed
36° 23°
Mostly Clear with a 54% chance of rain.
Thu
34° 24°
Partly Cloudy with a 52% chance of rain.
Fri
33° 24°
Clear with a 60% chance of rain.
Sat
33° 21°
Thunderstorm, 90% chance.
Sun
31° 19°
Clear with a 81% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 8% 21 mph S 64%
4 PM 32° Clear 21% 22 mph S 65%
5 PM 34° Mostly Clear 21% 21 mph S 67%
6 PM 33° Mostly Clear 21% 19 mph S 69%
7 PM 32° Mostly Clear 21% 17 mph S 71%
8 PM 31° Mostly Clear 21% 16 mph S 74%
9 PM 30° Partly Cloudy 21% 15 mph S 76%
10 PM 29° Partly Cloudy 21% 15 mph S 77%
11 PM 29° Partly Cloudy 25% 16 mph SSW 76%
12 AM 29° Partly Cloudy 24% 17 mph SSW 76%
1 AM 28° Mostly Cloudy 39% 15 mph SSW 75%
2 AM 27° Mostly Cloudy 24% 13 mph SW 77%
3 AM 26° Mostly Cloudy 20% 9 mph SW 78%
4 AM 26° Partly Cloudy 9% 8 mph S 80%
5 AM 23° Partly Cloudy 5% 8 mph S 80%
6 AM 23° Mostly Clear 3% 9 mph S 80%
7 AM 23° Mostly Clear 3% 10 mph S 78%
8 AM 25° Mostly Clear 3% 10 mph SSW 72%
9 AM 27° Clear 3% 11 mph SSW 66%
10 AM 29° Clear 3% 12 mph SSW 61%
11 AM 29° Mostly Clear 3% 12 mph SSW 58%
12 PM 31° Mostly Clear 3% 12 mph SSW 55%
1 PM 31° Mostly Clear 5% 12 mph SSW 53%
2 PM 31° Partly Cloudy 13% 12 mph SSW 53%
15-Day Forecast
Today
6/29
Mostly Clear
21%
23°
34°
Tue
6/30
Partly Cloudy
40%
23°
34°
Wed
7/1
Mostly Clear
54%
23°
36°
Thu
7/2
Partly Cloudy
52%
24°
34°
Fri
7/3
Clear
60%
24°
33°
Sat
7/4
Thunderstorm
90%
21°
33°
Sun
7/5
Clear
81%
19°
31°
Mon
7/6
Clear
60%
19°
31°
Tue
7/7
Drizzle
60%
19°
32°
Wed
7/8
Drizzle
60%
20°
34°
Thu
7/9
Drizzle
60%
19°
32°
Fri
7/10
Drizzle
60%
19°
31°
Sat
7/11
Clear
60%
18°
31°
Sun
7/12
Drizzle
60%
18°
31°
Mon
7/13
Drizzle
60%
19°
32°
40
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
40 AQI 7.2 µg/m³
O3
Ground-level ozone
32 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 40 Good 32 40
Wed 61 Moderate 42 61
Thu 55 Moderate 41 55
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 Mon Jun 29, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE5617 J/kg
MLCAPE3957 J/kg
MUCAPE5617 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-10.9
Kinematics
0–6 km Shear40 kt
0–1 km Shear13 kt
Eff. Shear33 kt
0–1 km SRH45
0–3 km SRH-2
Eff. SRH-2
Storm Motion200° @ 46 kt
0–1 km EHI1.6
Composite Parameters
Sig. Tornado1.2
STP (eff)0.0
Supercell0.0
K-Index29.0
Thermo & Levels
PWAT1.47 in
0–3 km LR6.2 °C/km
700–500 LR8.4 °C/km
Total Totals51.7
LCL856 hPa
LFC959 hPa
EL123 hPa
Freezing Lvl14,803 ft