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

Sioux County, Iowa, United States

Last updated: 2:02 AM CDT  ·  Refresh
19°C
Feels like 20°
Mostly Cloudy
▲ 33°  /  ▼ 19°
Wind
8 mph ENE
Humidity
94%
Dew Point
19°
Pressure
28.46 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
85%
Sunrise
6:50 AM
Sunset
7:57 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sioux County is currently mostly cloudy at 19°C. Precipitation is likely — peak probability 68% around 2 AM. Atmospheric instability is elevated (CAPE up to 1884 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°
68%
3 AM
19°
32%
4 AM
19°
33%
5 AM
18°
33%
6 AM
17°
21%
7 AM
17°
15%
8 AM
18°
15%
9 AM
20°
28%
10 AM
21°
6%
11 AM
23°
6%
12 PM
26°
6%
1 PM
28°
7%
2 PM
31°
9%
3 PM
32°
12%
4 PM
33°
21%
5 PM
32°
22%
6 PM
33°
18%
7 PM
32°
18%
8 PM
30°
32%
9 PM
28°
39%
10 PM
24°
39%
11 PM
24°
44%
12 AM
24°
44%
1 AM
22°
46%
7-Day Forecast
Today
33° 19°
Mostly Clear with a 68% chance of rain.
Thu
38° 19°
Mostly Clear with a 46% chance of rain.
Fri
38° 21°
Mostly Clear with a 28% chance of rain.
Sat
37° 19°
Mostly Cloudy with a 69% chance of rain.
Sun
38° 19°
Drizzle, 64% chance.
Mon
37° 19°
Rain, 82% chance.
Tue
34° 18°
Clear with a 53% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 19° Mostly Cloudy 68% 8 mph ENE 94%
3 AM 19° Mostly Cloudy 32% 7 mph E 94%
4 AM 19° Mostly Clear 33% 7 mph ESE 94%
5 AM 18° Mostly Clear 33% 8 mph E 95%
6 AM 17° Mostly Clear 21% 6 mph E 96%
7 AM 17° Mostly Clear 15% 5 mph E 97%
8 AM 18° Mostly Clear 15% 6 mph E 91%
9 AM 20° Mostly Clear 28% 7 mph ESE 84%
10 AM 21° Mostly Clear 6% 7 mph ESE 76%
11 AM 23° Mostly Clear 6% 7 mph SE 66%
12 PM 26° Clear 6% 7 mph SE 57%
1 PM 28° Clear 7% 7 mph SSE 47%
2 PM 31° Clear 9% 8 mph SSE 44%
3 PM 32° Clear 12% 8 mph S 41%
4 PM 33° Clear 21% 9 mph S 38%
5 PM 32° Mostly Clear 22% 9 mph S 40%
6 PM 33° Mostly Clear 18% 8 mph S 41%
7 PM 32° Partly Cloudy 18% 8 mph S 45%
8 PM 30° Mostly Clear 32% 6 mph SSE 54%
9 PM 28° Mostly Clear 39% 6 mph SE 62%
10 PM 24° Mostly Clear 39% 7 mph ESE 70%
11 PM 24° Partly Cloudy 44% 6 mph SE 72%
12 AM 24° Partly Cloudy 44% 6 mph SSE 75%
1 AM 22° Rain 46% 6 mph SE 77%
15-Day Forecast
Today
9/2
Mostly Clear
68%
19°
33°
Thu
9/3
Mostly Clear
46%
19°
38°
Fri
9/4
Mostly Clear
28%
21°
38°
Sat
9/5
Mostly Cloudy
69%
19°
37°
Sun
9/6
Drizzle
64%
19°
38°
Mon
9/7
Rain
82%
19°
37°
Tue
9/8
Clear
53%
18°
34°
Wed
9/9
Drizzle
72%
13°
29°
Thu
9/10
Drizzle
44%
14°
29°
Fri
9/11
Rain
64%
13°
32°
Sat
9/12
Clear
60%
17°
31°
Sun
9/13
Drizzle
60%
15°
29°
Mon
9/14
Drizzle
60%
16°
28°
Tue
9/15
Drizzle
60%
15°
29°
Wed
9/16
Drizzle
60%
14°
28°
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Sep 2, 05:00'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
SBCAPE0 J/kg
MLCAPE504 J/kg
MUCAPE1805 J/kg
SBCIN—
MLCIN-127 J/kg
Lifted Index0.7
Kinematics
0–6 km Shear47 kt
0–1 km Shear12 kt
Eff. Shear42 kt
0–1 km SRH51
0–3 km SRH258
Eff. SRH280
Storm Motion273° @ 29 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.3
Supercell11.0
K-Index42.5
Thermo & Levels
PWAT2.23 in
0–3 km LR3.9 °C/km
700–500 LR6.3 °C/km
Total Totals51.3
LCL952 hPa
LFC—
EL—
Freezing Lvl13,635 ft