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: 4:40 PM CDT  ·  Refresh
32°C
Feels like 40°
Mostly Clear
▲ 34°  /  ▼ 23°
Wind
22 mph S
Humidity
65%
Dew Point
25°
Pressure
28.31 inHg
Visibility
10 mi
UV Index
7.8
Cloud Cover
21%
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 4608 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%
5 PM
34°
28%
6 PM
33°
28%
7 PM
32°
38%
8 PM
31°
42%
9 PM
30°
42%
10 PM
29°
28%
11 PM
29°
33%
12 AM
29°
25%
1 AM
28°
26%
2 AM
28°
26%
3 AM
27°
26%
4 AM
26°
26%
5 AM
23°
14%
6 AM
23°
6%
7 AM
24°
3%
8 AM
26°
3%
9 AM
27°
5%
10 AM
28°
10%
11 AM
30°
13%
12 PM
31°
13%
1 PM
31°
15%
2 PM
32°
27%
3 PM
32°
27%
7-Day Forecast
Today
34° 23°
Mostly Clear with a 38% chance of rain.
Tue
34° 23°
Partly Cloudy with a 40% chance of rain.
Wed
36° 24°
Partly Cloudy with a 49% chance of rain.
Thu
34° 22°
Mostly Clear with a 63% chance of rain.
Fri
33° 22°
Clear with a 55% chance of rain.
Sat
33° 20°
Thunderstorm, 90% chance.
Sun
31° 19°
Clear with a 60% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 8% 22 mph S 65%
5 PM 34° Mostly Clear 28% 21 mph S 68%
6 PM 33° Mostly Clear 28% 20 mph SSW 70%
7 PM 32° Mostly Clear 38% 18 mph SSW 72%
8 PM 31° Mostly Clear 42% 16 mph S 75%
9 PM 30° Mostly Clear 42% 15 mph SSW 77%
10 PM 29° Partly Cloudy 28% 16 mph SSW 78%
11 PM 29° Mostly Cloudy 33% 17 mph SSW 77%
12 AM 29° Mostly Cloudy 25% 17 mph SSW 76%
1 AM 28° Mostly Cloudy 26% 16 mph SW 76%
2 AM 28° Mostly Cloudy 26% 14 mph SW 76%
3 AM 27° Mostly Cloudy 26% 10 mph SW 76%
4 AM 26° Mostly Cloudy 26% 9 mph SSW 79%
5 AM 23° Partly Cloudy 14% 8 mph S 82%
6 AM 23° Partly Cloudy 6% 9 mph SSE 84%
7 AM 24° Partly Cloudy 3% 10 mph SSE 81%
8 AM 26° Mostly Clear 3% 10 mph S 75%
9 AM 27° Mostly Clear 5% 12 mph SSW 70%
10 AM 28° Mostly Clear 10% 12 mph SSW 65%
11 AM 30° Mostly Clear 13% 12 mph SSW 62%
12 PM 31° Mostly Clear 13% 11 mph SSW 59%
1 PM 31° Mostly Clear 15% 11 mph SSW 57%
2 PM 32° Partly Cloudy 27% 10 mph SSW 55%
3 PM 32° Partly Cloudy 27% 10 mph SSW 54%
15-Day Forecast
Today
6/29
Mostly Clear
38%
23°
34°
Tue
6/30
Partly Cloudy
40%
23°
34°
Wed
7/1
Partly Cloudy
49%
24°
36°
Thu
7/2
Mostly Clear
63%
22°
34°
Fri
7/3
Clear
55%
22°
33°
Sat
7/4
Thunderstorm
90%
20°
33°
Sun
7/5
Clear
60%
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°
31°
Fri
7/10
Drizzle
60%
19°
31°
Sat
7/11
Clear
25%
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, 20:00'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
SBCAPE5930 J/kg
MLCAPE4618 J/kg
MUCAPE5930 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-11.7
Kinematics
0–6 km Shear35 kt
0–1 km Shear14 kt
Eff. Shear30 kt
0–1 km SRH41
0–3 km SRH-10
Eff. SRH-10
Storm Motion201° @ 47 kt
0–1 km EHI1.5
Composite Parameters
Sig. Tornado1.0
STP (eff)0.0
Supercell0.0
K-Index32.7
Thermo & Levels
PWAT1.64 in
0–3 km LR6.1 °C/km
700–500 LR8.6 °C/km
Total Totals55.7
LCL862 hPa
LFC959 hPa
EL122 hPa
Freezing Lvl14,774 ft