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

Plymouth County, Iowa, United States

Last updated: 2:03 AM CDT  ·  Refresh
21°C
Feels like 22°
Rain
▲ 34°  /  ▼ 19°
Wind
8 mph NE
Humidity
90%
Dew Point
19°
Pressure
28.59 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
67%
Sunrise
6:50 AM
Sunset
7:57 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Plymouth County is currently rain at 21°C. Precipitation is likely — peak probability 68% around 2 AM. Atmospheric instability is elevated (CAPE up to 1804 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
41 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
68%
3 AM
21°
56%
4 AM
21°
48%
5 AM
20°
49%
6 AM
18°
29%
7 AM
18°
4%
8 AM
19°
4%
9 AM
22°
4%
10 AM
22°
4%
11 AM
24°
5%
12 PM
27°
3%
1 PM
29°
3%
2 PM
32°
5%
3 PM
33°
8%
4 PM
34°
17%
5 PM
33°
18%
6 PM
34°
18%
7 PM
33°
18%
8 PM
31°
30%
9 PM
29°
36%
10 PM
26°
36%
11 PM
25°
41%
12 AM
24°
39%
1 AM
22°
44%
7-Day Forecast
Today
34° 19°
Clear with a 68% chance of rain.
Thu
38° 19°
Mostly Clear with a 44% chance of rain.
Fri
38° 22°
Mostly Clear with a 28% chance of rain.
Sat
38° 21°
Mostly Clear with a 69% chance of rain.
Sun
38° 21°
Drizzle, 64% chance.
Mon
38° 20°
Rain, 70% chance.
Tue
35° 18°
Clear with a 53% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 21° Rain 68% 8 mph NE 90%
3 AM 21° Rain 56% 7 mph E 89%
4 AM 21° Rain 48% 7 mph SE 90%
5 AM 20° Mostly Cloudy 49% 8 mph SE 92%
6 AM 18° Mostly Clear 29% 5 mph ESE 94%
7 AM 18° Clear 4% 5 mph SE 94%
8 AM 19° Clear 4% 5 mph SE 88%
9 AM 22° Clear 4% 6 mph SE 79%
10 AM 22° Clear 4% 7 mph SE 70%
11 AM 24° Clear 5% 7 mph SSE 61%
12 PM 27° Clear 3% 8 mph SSE 51%
1 PM 29° Clear 3% 9 mph S 43%
2 PM 32° Clear 5% 9 mph S 40%
3 PM 33° Clear 8% 10 mph S 37%
4 PM 34° Clear 17% 10 mph S 35%
5 PM 33° Mostly Clear 18% 9 mph S 36%
6 PM 34° Mostly Clear 18% 9 mph S 38%
7 PM 33° Partly Cloudy 18% 8 mph S 42%
8 PM 31° Partly Cloudy 30% 7 mph S 50%
9 PM 29° Partly Cloudy 36% 7 mph SSE 57%
10 PM 26° Partly Cloudy 36% 7 mph SSE 64%
11 PM 25° Partly Cloudy 41% 8 mph SSE 68%
12 AM 24° Partly Cloudy 39% 8 mph SSE 72%
1 AM 22° Rain 44% 8 mph SSE 76%
15-Day Forecast
Today
9/2
Clear
68%
19°
34°
Thu
9/3
Mostly Clear
44%
19°
38°
Fri
9/4
Mostly Clear
28%
22°
38°
Sat
9/5
Mostly Clear
69%
21°
38°
Sun
9/6
Drizzle
64%
21°
38°
Mon
9/7
Rain
70%
20°
38°
Tue
9/8
Clear
53%
18°
35°
Wed
9/9
Drizzle
72%
15°
30°
Thu
9/10
Drizzle
44%
16°
31°
Fri
9/11
Drizzle
64%
14°
32°
Sat
9/12
Clear
60%
17°
31°
Sun
9/13
Drizzle
60%
16°
30°
Mon
9/14
Drizzle
60%
16°
29°
Tue
9/15
Drizzle
60%
16°
29°
Wed
9/16
Clear
60%
15°
28°
41
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
34 AQI 6.1 µg/m³
O3
Ground-level ozone
Dominant
41 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 41 Good 41 34
Thu 43 Good 43 35
Fri 46 Good 46 32
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, 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
SBCAPE3 J/kg
MLCAPE722 J/kg
MUCAPE2043 J/kg
SBCIN-425 J/kg
MLCIN-153 J/kg
Lifted Index-0.0
Kinematics
0–6 km Shear45 kt
0–1 km Shear18 kt
Eff. Shear37 kt
0–1 km SRH75
0–3 km SRH284
Eff. SRH283
Storm Motion270° @ 32 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.3
Supercell10.9
K-Index42.4
Thermo & Levels
PWAT2.23 in
0–3 km LR4.2 °C/km
700–500 LR6.5 °C/km
Total Totals52.7
LCL936 hPa
LFC566 hPa
EL496 hPa
Freezing Lvl13,737 ft