Severe Thunderstorm Watch 5:00 AM

Humboldt County, Iowa, United States

Last updated: 3:49 AM CDT  ·  Refresh
21°C
Feels like 21°
Mostly Cloudy
▲ 33°  /  ▼ 20°
Wind
8 mph NE
Humidity
89%
Dew Point
19°
Pressure
28.75 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
82%
Sunrise
6:42 AM
Sunset
7:49 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Humboldt County is currently mostly cloudy at 21°C. Precipitation is likely — peak probability 63% around 3 AM. Atmospheric instability is elevated (CAPE up to 1967 J/kg) — isolated convective development possible. Sunrise: 6:42AM · Sunset: 7:49PM.

Alerts

Severe Thunderstorm Watch
Expires 5:00 AM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
54%
4 AM
19°
40%
5 AM
18°
44%
6 AM
18°
46%
7 AM
19°
31%
8 AM
20°
35%
9 AM
21°
47%
10 AM
23°
48%
11 AM
26°
19%
12 PM
28°
18%
1 PM
30°
20%
2 PM
31°
12%
3 PM
32°
12%
4 PM
32°
21%
5 PM
32°
17%
6 PM
31°
18%
7 PM
30°
24%
8 PM
28°
24%
9 PM
26°
24%
10 PM
24°
28%
11 PM
23°
46%
12 AM
23°
47%
1 AM
23°
51%
2 AM
23°
56%
7-Day Forecast
Today
33° 20°
Partly Cloudy with a 54% chance of rain.
Thu
36° 20°
Partly Cloudy with a 63% chance of rain.
Fri
37° 19°
Clear with a 41% chance of rain.
Sat
36° 19°
Clear with a 73% chance of rain.
Sun
38° 18°
Drizzle, 64% chance.
Mon
33° 19°
Rain, 82% chance.
Tue
40° 19°
Drizzle, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Cloudy 54% 8 mph NE 89%
4 AM 19° Overcast 40% 6 mph ENE 92%
5 AM 18° Overcast 44% 7 mph ESE 92%
6 AM 18° Mostly Cloudy 46% 7 mph SE 93%
7 AM 19° Mostly Cloudy 31% 6 mph SE 90%
8 AM 20° Partly Cloudy 35% 7 mph SSE 86%
9 AM 21° Mostly Cloudy 47% 7 mph SSE 81%
10 AM 23° Partly Cloudy 48% 7 mph S 73%
11 AM 26° Mostly Clear 19% 8 mph S 64%
12 PM 28° Mostly Clear 18% 9 mph S 54%
1 PM 30° Clear 20% 8 mph S 51%
2 PM 31° Clear 12% 9 mph S 48%
3 PM 32° Clear 12% 10 mph S 46%
4 PM 32° Clear 21% 9 mph S 47%
5 PM 32° Clear 17% 8 mph S 50%
6 PM 31° Clear 18% 6 mph S 54%
7 PM 30° Clear 24% 6 mph SSE 59%
8 PM 28° Clear 24% 6 mph SSE 65%
9 PM 26° Clear 24% 7 mph SSE 70%
10 PM 24° Mostly Clear 28% 6 mph SSE 74%
11 PM 23° Mostly Clear 46% 7 mph S 77%
12 AM 23° Partly Cloudy 47% 9 mph SSW 80%
1 AM 23° Partly Cloudy 51% 8 mph SSW 80%
2 AM 23° Partly Cloudy 56% 7 mph SSW 80%
15-Day Forecast
Today
9/2
Partly Cloudy
54%
20°
33°
Thu
9/3
Partly Cloudy
63%
20°
36°
Fri
9/4
Clear
41%
19°
37°
Sat
9/5
Clear
73%
19°
36°
Sun
9/6
Drizzle
64%
18°
38°
Mon
9/7
Rain
82%
19°
33°
Tue
9/8
Drizzle
63%
19°
40°
Wed
9/9
Drizzle
53%
15°
31°
Thu
9/10
Drizzle
44%
13°
29°
Fri
9/11
Rain
64%
14°
32°
Sat
9/12
Drizzle
60%
16°
30°
Sun
9/13
Drizzle
60%
15°
29°
Mon
9/14
Clear
60%
15°
29°
Tue
9/15
Clear
60%
15°
29°
Wed
9/16
Drizzle
60%
14°
29°
51
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
51 AQI 9.3 µg/m³
O3
Ground-level ozone
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 51 Moderate 39 51
Thu 44 Good 40 44
Fri 37 Good 34 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 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 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE61 J/kg
MLCAPE403 J/kg
MUCAPE1009 J/kg
SBCIN-535 J/kg
MLCIN-298 J/kg
Lifted Index-0.5
Kinematics
0–6 km Shear53 kt
0–1 km Shear26 kt
Eff. Shear37 kt
0–1 km SRH52
0–3 km SRH106
Eff. SRH116
Storm Motion265° @ 37 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell2.2
K-Index42.8
Thermo & Levels
PWAT1.81 in
0–3 km LR4.1 °C/km
700–500 LR6.6 °C/km
Total Totals51.6
LCL949 hPa
LFC534 hPa
EL389 hPa
Freezing Lvl14,131 ft