Freeze 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, Butler, IA, Bremer, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Grundy, IA, Black Hawk, 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 9:00 AM

Sac County, Iowa, United States

Last updated: 9:06 PM CDT  ·  Refresh
42°F
Feels like 39°
Clear
▲ 51°  /  ▼ 34°
Wind
5 mph NNW
Humidity
66%
Dew Point
33°
Pressure
29.14 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
7:33 AM
Sunset
6:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sac County is currently clear at 42°F. Dry conditions are expected through the next 24 hours. Sunrise: 7:33AM · Sunset: 6:36PM.

Alerts

Freeze 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, Butler, IA, Bremer, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Grundy, IA, Black Hawk, 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
Expires 9:00 AM
23 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
42°
3%
10 PM
40°
3%
11 PM
40°
3%
12 AM
39°
3%
1 AM
38°
3%
2 AM
38°
3%
3 AM
37°
3%
4 AM
37°
3%
5 AM
36°
3%
6 AM
35°
3%
7 AM
34°
3%
8 AM
36°
3%
9 AM
40°
3%
10 AM
46°
3%
11 AM
48°
3%
12 PM
51°
3%
1 PM
53°
3%
2 PM
56°
3%
3 PM
57°
3%
4 PM
57°
3%
5 PM
56°
3%
6 PM
51°
3%
7 PM
49°
3%
8 PM
49°
3%
7-Day Forecast
Tonight
51° 34°
Clear.
Sat
57° 34°
Clear.
Sun
64° 41°
Clear.
Mon
67° 42°
Mostly Cloudy.
Tue
70° 47°
Clear.
Wed
72° 54°
Clear with a 26% chance of rain.
Thu
77° 53°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 42° Clear 3% 5 mph NNW 66%
10 PM 40° Clear 3% 5 mph NNW 64%
11 PM 40° Clear 3% 4 mph NW 64%
12 AM 39° Clear 3% 4 mph WNW 65%
1 AM 38° Clear 3% 4 mph W 66%
2 AM 38° Clear 3% 4 mph WSW 67%
3 AM 37° Clear 3% 4 mph SW 69%
4 AM 37° Clear 3% 5 mph SW 70%
5 AM 36° Clear 3% 6 mph SSW 72%
6 AM 35° Clear 3% 7 mph SSW 73%
7 AM 34° Clear 3% 8 mph SSW 74%
8 AM 36° Clear 3% 9 mph SSW 70%
9 AM 40° Clear 3% 11 mph SSW 64%
10 AM 46° Clear 3% 14 mph SW 58%
11 AM 48° Clear 3% 15 mph SW 53%
12 PM 51° Clear 3% 16 mph SW 49%
1 PM 53° Clear 3% 17 mph SW 44%
2 PM 56° Clear 3% 16 mph SSW 44%
3 PM 57° Clear 3% 16 mph SSW 43%
4 PM 57° Clear 3% 16 mph SSW 43%
5 PM 56° Clear 3% 15 mph SSW 47%
6 PM 51° Clear 3% 15 mph SSW 51%
7 PM 49° Clear 3% 14 mph SSW 55%
8 PM 49° Clear 3% 14 mph SSW 56%
15-Day Forecast
Today
10/16
Clear
3%
34°
51°
Sat
10/17
Clear
3%
34°
57°
Sun
10/18
Clear
3%
41°
64°
Mon
10/19
Mostly Cloudy
3%
42°
67°
Tue
10/20
Clear
14%
47°
70°
Wed
10/21
Clear
26%
54°
72°
Thu
10/22
Mostly Clear
7%
53°
77°
Fri
10/23
Partly Cloudy
21%
59°
76°
Sat
10/24
Drizzle
54%
48°
68°
Sun
10/25
Drizzle
54%
44°
61°
Mon
10/26
Rain
64%
44°
59°
Tue
10/27
Drizzle
60%
43°
59°
Wed
10/28
Drizzle
60%
44°
60°
Thu
10/29
Drizzle
60%
45°
61°
Fri
10/30
Drizzle
60%
44°
59°
23
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
PM2.5
Fine particulate matter
11 AQI 2.1 µg/m³
O3
Ground-level ozone
Dominant
23 AQI 25 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 23 Good 23 11
Sun 28 Good 28 13
Mon 31 Good 31 19
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Fri Oct 16, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE6 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index20.4
Kinematics
0–6 km Shear38 kt
0–1 km Shear15 kt
Eff. Shear—
0–1 km SRH72
0–3 km SRH90
Eff. SRH—
Storm Motion26° @ 33 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-30.3
Thermo & Levels
PWAT0.28 in
0–3 km LR2.8 °C/km
700–500 LR5.1 °C/km
Total Totals10.3
LCL912 hPa
LFC—
EL—
Freezing Lvl4,980 ft