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

Clay County, Iowa, United States

Last updated: 3:48 AM CDT  ·  Refresh
19°C
Feels like 19°
Thunderstorm
▲ 32°  /  ▼ 19°
Wind
9 mph SE
Humidity
96%
Dew Point
18°
Pressure
28.49 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
74%
Sunrise
6:46 AM
Sunset
7:53 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Clay County is currently thunderstorm at 19°C. Precipitation is likely — peak probability 73% around 3 AM. Atmospheric instability is elevated (CAPE up to 1901 J/kg) — isolated convective development possible. Sunrise: 6:46AM · Sunset: 7:53PM.

Alerts

Severe Thunderstorm Watch
Expires 5:00 AM
Severe Thunderstorm Watch
Expires 5:00 AM
47 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
73%
4 AM
19°
48%
5 AM
17°
21%
6 AM
17°
27%
7 AM
18°
16%
8 AM
19°
14%
9 AM
21°
10%
10 AM
23°
8%
11 AM
26°
8%
12 PM
28°
6%
1 PM
30°
9%
2 PM
31°
12%
3 PM
32°
12%
4 PM
31°
12%
5 PM
32°
8%
6 PM
31°
8%
7 PM
29°
14%
8 PM
28°
14%
9 PM
24°
15%
10 PM
22°
46%
11 PM
22°
51%
12 AM
22°
55%
1 AM
22°
56%
2 AM
22°
60%
7-Day Forecast
Today
32° 19°
Mostly Clear with a 73% chance of rain.
Thu
36° 19°
Rain, 66% chance.
Fri
38° 19°
Clear with a 57% chance of rain.
Sat
36° 19°
Clear with a 64% chance of rain.
Sun
38° 18°
Rain, 51% chance.
Mon
33° 18°
Rain, 82% chance.
Tue
36° 18°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 19° Thunderstorm 73% 9 mph SE 96%
4 AM 19° Partly Cloudy 48% 7 mph ESE 95%
5 AM 17° Mostly Cloudy 21% 6 mph E 96%
6 AM 17° Partly Cloudy 27% 6 mph ESE 96%
7 AM 18° Partly Cloudy 16% 5 mph SE 92%
8 AM 19° Mostly Clear 14% 5 mph SE 86%
9 AM 21° Mostly Clear 10% 6 mph SE 80%
10 AM 23° Mostly Clear 8% 6 mph SSE 72%
11 AM 26° Clear 8% 8 mph SSE 62%
12 PM 28° Clear 6% 8 mph SSE 52%
1 PM 30° Clear 9% 8 mph SSE 48%
2 PM 31° Clear 12% 9 mph S 46%
3 PM 32° Clear 12% 10 mph S 44%
4 PM 31° Clear 12% 10 mph S 44%
5 PM 32° Clear 8% 8 mph S 46%
6 PM 31° Clear 8% 7 mph S 50%
7 PM 29° Clear 14% 6 mph SSE 58%
8 PM 28° Clear 14% 6 mph SSE 66%
9 PM 24° Clear 15% 6 mph SE 74%
10 PM 22° Mostly Clear 46% 6 mph SSE 77%
11 PM 22° Partly Cloudy 51% 6 mph SSE 79%
12 AM 22° Partly Cloudy 55% 7 mph SSE 81%
1 AM 22° Partly Cloudy 56% 5 mph S 82%
2 AM 22° Rain 60% 6 mph SSW 83%
15-Day Forecast
Today
9/2
Mostly Clear
73%
19°
32°
Thu
9/3
Rain
66%
19°
36°
Fri
9/4
Clear
57%
19°
38°
Sat
9/5
Clear
64%
19°
36°
Sun
9/6
Rain
51%
18°
38°
Mon
9/7
Rain
82%
18°
33°
Tue
9/8
Drizzle
53%
18°
36°
Wed
9/9
Drizzle
53%
14°
29°
Thu
9/10
Drizzle
44%
13°
28°
Fri
9/11
Drizzle
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%
14°
28°
Wed
9/16
Clear
60%
14°
29°
47
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
47 AQI 8.6 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 47 Good 37 47
Thu 43 Good 43 39
Fri 39 Good 39 37
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, 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
SBCAPE0 J/kg
MLCAPE640 J/kg
MUCAPE1391 J/kg
SBCIN—
MLCIN-145 J/kg
Lifted Index1.0
Kinematics
0–6 km Shear39 kt
0–1 km Shear21 kt
Eff. Shear27 kt
0–1 km SRH63
0–3 km SRH128
Eff. SRH84
Storm Motion277° @ 31 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.1
Supercell1.6
K-Index41.3
Thermo & Levels
PWAT2.10 in
0–3 km LR4.1 °C/km
700–500 LR6.2 °C/km
Total Totals51.1
LCL949 hPa
LFC—
EL—
Freezing Lvl13,241 ft