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

O'Brien County, Iowa, United States

Last updated: 3:49 AM CDT  ·  Refresh
19°C
Feels like 18°
Haze
▲ 32°  /  ▼ 19°
Wind
13 mph SE
Humidity
96%
Dew Point
18°
Pressure
28.38 inHg
Visibility
1 mi
UV Index
0.0
Cloud Cover
75%
Sunrise
6:48 AM
Sunset
7:55 PM
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WeatherAI™ Analysis

WeatherAI Analysis: O'Brien County is currently haze at 19°C. Precipitation is likely — peak probability 68% around 3 AM. Atmospheric instability is elevated (CAPE up to 1976 J/kg) — isolated convective development possible. Sunrise: 6:48AM · Sunset: 7:55PM.

Alerts

Severe Thunderstorm Watch
Expires 5:00 AM
Severe Thunderstorm Watch
Expires 5:00 AM
46 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
68%
4 AM
18°
24%
5 AM
17°
24%
6 AM
17°
25%
7 AM
18°
13%
8 AM
19°
14%
9 AM
20°
11%
10 AM
22°
11%
11 AM
25°
8%
12 PM
27°
8%
1 PM
29°
12%
2 PM
31°
12%
3 PM
31°
12%
4 PM
31°
21%
5 PM
32°
17%
6 PM
31°
18%
7 PM
29°
18%
8 PM
27°
24%
9 PM
24°
24%
10 PM
22°
36%
11 PM
22°
41%
12 AM
22°
41%
1 AM
22°
41%
2 AM
22°
41%
7-Day Forecast
Today
32° 19°
Mostly Clear with a 68% chance of rain.
Thu
36° 19°
Mostly Clear with a 46% chance of rain.
Fri
38° 21°
Clear with a 41% chance of rain.
Sat
36° 19°
Mostly Clear with a 64% chance of rain.
Sun
37° 18°
Drizzle, 64% chance.
Mon
34° 19°
Rain, 82% chance.
Tue
34° 18°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 19° Haze 68% 13 mph SE 96%
4 AM 18° Partly Cloudy 24% 7 mph E 95%
5 AM 17° Partly Cloudy 24% 5 mph E 96%
6 AM 17° Mostly Clear 25% 4 mph E 96%
7 AM 18° Mostly Clear 13% 4 mph ESE 92%
8 AM 19° Mostly Clear 14% 6 mph SE 86%
9 AM 20° Mostly Clear 11% 6 mph SE 80%
10 AM 22° Mostly Clear 11% 7 mph SE 71%
11 AM 25° Clear 8% 7 mph SSE 62%
12 PM 27° Clear 8% 7 mph SSE 52%
1 PM 29° Clear 12% 8 mph SSE 48%
2 PM 31° Clear 12% 9 mph S 46%
3 PM 31° Clear 12% 9 mph S 43%
4 PM 31° Clear 21% 9 mph S 44%
5 PM 32° Mostly Clear 17% 8 mph S 46%
6 PM 31° Partly Cloudy 18% 6 mph S 50%
7 PM 29° Mostly Clear 18% 6 mph SSE 58%
8 PM 27° Mostly Clear 24% 6 mph SE 68%
9 PM 24° Clear 24% 7 mph ESE 77%
10 PM 22° Mostly Clear 36% 6 mph SE 79%
11 PM 22° Mostly Clear 41% 6 mph SE 79%
12 AM 22° Partly Cloudy 41% 6 mph SSE 79%
1 AM 22° Partly Cloudy 41% 4 mph SSE 81%
2 AM 22° Rain 41% 6 mph SSE 84%
15-Day Forecast
Today
9/2
Mostly Clear
68%
19°
32°
Thu
9/3
Mostly Clear
46%
19°
36°
Fri
9/4
Clear
41%
21°
38°
Sat
9/5
Mostly Clear
64%
19°
36°
Sun
9/6
Drizzle
64%
18°
37°
Mon
9/7
Rain
82%
19°
34°
Tue
9/8
Drizzle
53%
18°
34°
Wed
9/9
Drizzle
72%
13°
29°
Thu
9/10
Drizzle
44%
13°
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%
14°
28°
Wed
9/16
Clear
60%
14°
28°
46
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
46 AQI 8.2 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 46 Good 37 46
Thu 44 Good 44 39
Fri 42 Good 42 34
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
SBCAPE0 J/kg
MLCAPE789 J/kg
MUCAPE1673 J/kg
SBCIN0 J/kg
MLCIN-133 J/kg
Lifted Index0.8
Kinematics
0–6 km Shear38 kt
0–1 km Shear25 kt
Eff. Shear28 kt
0–1 km SRH130
0–3 km SRH217
Eff. SRH166
Storm Motion285° @ 28 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.2
Supercell4.0
K-Index41.5
Thermo & Levels
PWAT2.07 in
0–3 km LR4.0 °C/km
700–500 LR6.3 °C/km
Total Totals51.5
LCL948 hPa
LFC961 hPa
EL961 hPa
Freezing Lvl13,127 ft