Severe Thunderstorm Watch 5:00 AM Severe Thunderstorm Watch 5:00 AM

Sioux County, Iowa, United States

Last updated: 3:48 AM CDT  ·  Refresh
19°C
Feels like 19°
Mostly Cloudy
▲ 33°  /  ▼ 19°
Wind
11 mph SE
Humidity
95%
Dew Point
18°
Pressure
28.44 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
79%
Sunrise
6:50 AM
Sunset
7:57 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Sioux County is currently mostly cloudy at 19°C. Precipitation is likely — peak probability 63% around 3 AM. Atmospheric instability is elevated (CAPE up to 1891 J/kg) — isolated convective development possible. Sunrise: 6:50AM · Sunset: 7:57PM.

Alerts

Severe Thunderstorm Watch
Expires 5:00 AM
Severe Thunderstorm Watch
Expires 5:00 AM
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
63%
4 AM
19°
32%
5 AM
17°
18%
6 AM
17°
17%
7 AM
18°
18%
8 AM
19°
19%
9 AM
21°
19%
10 AM
23°
11%
11 AM
25°
11%
12 PM
27°
12%
1 PM
30°
12%
2 PM
31°
12%
3 PM
32°
12%
4 PM
32°
21%
5 PM
33°
17%
6 PM
32°
18%
7 PM
30°
21%
8 PM
28°
30%
9 PM
25°
30%
10 PM
23°
35%
11 PM
23°
35%
12 AM
23°
35%
1 AM
23°
33%
2 AM
23°
33%
7-Day Forecast
Today
33° 19°
Mostly Clear with a 63% chance of rain.
Thu
37° 19°
Mostly Clear with a 36% chance of rain.
Fri
38° 21°
Clear with a 28% chance of rain.
Sat
37° 19°
Mostly Cloudy with a 54% chance of rain.
Sun
38° 19°
Rain, 64% chance.
Mon
37° 19°
Rain, 82% chance.
Tue
34° 18°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 19° Mostly Cloudy 63% 11 mph SE 95%
4 AM 19° Partly Cloudy 32% 6 mph ESE 95%
5 AM 17° Mostly Clear 18% 4 mph E 96%
6 AM 17° Mostly Clear 17% 4 mph E 97%
7 AM 18° Mostly Clear 18% 4 mph E 92%
8 AM 19° Mostly Clear 19% 6 mph ESE 85%
9 AM 21° Mostly Clear 19% 7 mph ESE 78%
10 AM 23° Clear 11% 8 mph SE 69%
11 AM 25° Clear 11% 8 mph SSE 59%
12 PM 27° Clear 12% 8 mph SSE 50%
1 PM 30° Clear 12% 8 mph SSE 45%
2 PM 31° Clear 12% 9 mph S 42%
3 PM 32° Clear 12% 9 mph S 39%
4 PM 32° Clear 21% 9 mph S 40%
5 PM 33° Mostly Clear 17% 8 mph S 41%
6 PM 32° Partly Cloudy 18% 7 mph S 44%
7 PM 30° Partly Cloudy 21% 6 mph SSE 52%
8 PM 28° Mostly Clear 30% 5 mph SE 60%
9 PM 25° Mostly Clear 30% 6 mph ESE 69%
10 PM 23° Mostly Clear 35% 6 mph ESE 73%
11 PM 23° Partly Cloudy 35% 5 mph SE 75%
12 AM 23° Rain 35% 6 mph SE 78%
1 AM 23° Rain 33% 5 mph SE 80%
2 AM 23° Rain 33% 5 mph SE 81%
15-Day Forecast
Today
9/2
Mostly Clear
63%
19°
33°
Thu
9/3
Mostly Clear
36%
19°
37°
Fri
9/4
Clear
28%
21°
38°
Sat
9/5
Mostly Cloudy
54%
19°
37°
Sun
9/6
Rain
64%
19°
38°
Mon
9/7
Rain
82%
19°
37°
Tue
9/8
Drizzle
53%
18°
34°
Wed
9/9
Drizzle
72%
13°
29°
Thu
9/10
Drizzle
44%
14°
28°
Fri
9/11
Rain
68%
13°
32°
Sat
9/12
Drizzle
60%
16°
29°
Sun
9/13
Drizzle
60%
15°
29°
Mon
9/14
Clear
60%
14°
28°
Tue
9/15
Drizzle
60%
15°
28°
Wed
9/16
Clear
60%
14°
29°
44
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
44 AQI 8.0 µg/m³
O3
Ground-level ozone
36 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 36 44
Thu 43 Good 43 35
Fri 45 Good 45 33
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 Wed Sep 2, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1 J/kg
MLCAPE948 J/kg
MUCAPE1803 J/kg
SBCIN-483 J/kg
MLCIN-189 J/kg
Lifted Index0.6
Kinematics
0–6 km Shear38 kt
0–1 km Shear27 kt
Eff. Shear30 kt
0–1 km SRH146
0–3 km SRH217
Eff. SRH189
Storm Motion289° @ 28 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell5.3
K-Index39.9
Thermo & Levels
PWAT2.02 in
0–3 km LR4.0 °C/km
700–500 LR6.4 °C/km
Total Totals52.2
LCL952 hPa
LFC604 hPa
EL554 hPa
Freezing Lvl13,094 ft