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

Osceola County, Iowa, United States

Last updated: 2:03 AM CDT  ·  Refresh
19°C
Feels like 19°
Rain
▲ 31°  /  ▼ 18°
Wind
9 mph ENE
Humidity
95%
Dew Point
18°
Pressure
28.32 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
85%
Sunrise
6:47 AM
Sunset
7:55 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Osceola County is currently rain at 19°C. Precipitation is likely — peak probability 87% around 2 AM. Atmospheric instability is elevated (CAPE up to 2127 J/kg) — isolated convective development possible. Sunrise: 6:47AM · Sunset: 7:55PM.

Alerts

Severe Thunderstorm Watch
Expires 5:00 AM
Severe Thunderstorm Watch
Expires 5:00 AM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
87%
3 AM
18°
44%
4 AM
18°
26%
5 AM
17°
14%
6 AM
16°
16%
7 AM
16°
15%
8 AM
17°
17%
9 AM
19°
13%
10 AM
20°
6%
11 AM
22°
9%
12 PM
24°
18%
1 PM
26°
18%
2 PM
28°
9%
3 PM
29°
12%
4 PM
31°
21%
5 PM
31°
22%
6 PM
31°
18%
7 PM
30°
18%
8 PM
28°
24%
9 PM
26°
25%
10 PM
23°
41%
11 PM
22°
51%
12 AM
22°
56%
1 AM
21°
66%
7-Day Forecast
Today
31° 18°
Mostly Clear with a 87% chance of rain.
Thu
36° 18°
Partly Cloudy with a 66% chance of rain.
Fri
38° 20°
Mostly Clear with a 32% chance of rain.
Sat
36° 18°
Partly Cloudy with a 66% chance of rain.
Sun
36° 18°
Rain, 69% chance.
Mon
32° 19°
Rain, 82% chance.
Tue
33° 17°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 19° Rain 87% 9 mph ENE 95%
3 AM 18° Mostly Cloudy 44% 7 mph ESE 95%
4 AM 18° Mostly Clear 26% 9 mph ESE 95%
5 AM 17° Mostly Clear 14% 7 mph ESE 96%
6 AM 16° Mostly Clear 16% 6 mph ESE 97%
7 AM 16° Fog 15% 5 mph ENE 98%
8 AM 17° Partly Cloudy 17% 4 mph E 94%
9 AM 19° Mostly Clear 13% 5 mph ESE 89%
10 AM 20° Mostly Clear 6% 7 mph ESE 84%
11 AM 22° Mostly Clear 9% 7 mph SE 75%
12 PM 24° Clear 18% 7 mph SE 66%
1 PM 26° Clear 18% 8 mph SE 57%
2 PM 28° Clear 9% 8 mph SSE 53%
3 PM 29° Clear 12% 8 mph SSE 49%
4 PM 31° Clear 21% 9 mph SSE 46%
5 PM 31° Mostly Clear 22% 8 mph SSE 47%
6 PM 31° Mostly Clear 18% 7 mph SSE 50%
7 PM 30° Partly Cloudy 18% 6 mph SE 54%
8 PM 28° Mostly Clear 24% 6 mph SE 63%
9 PM 26° Mostly Clear 25% 6 mph ESE 72%
10 PM 23° Clear 41% 6 mph ESE 80%
11 PM 22° Mostly Clear 51% 5 mph ESE 80%
12 AM 22° Partly Cloudy 56% 5 mph SE 79%
1 AM 21° Drizzle 66% 6 mph SSE 78%
15-Day Forecast
Today
9/2
Mostly Clear
87%
18°
31°
Thu
9/3
Partly Cloudy
66%
18°
36°
Fri
9/4
Mostly Clear
32%
20°
38°
Sat
9/5
Partly Cloudy
66%
18°
36°
Sun
9/6
Rain
69%
18°
36°
Mon
9/7
Rain
82%
19°
32°
Tue
9/8
Drizzle
53%
17°
33°
Wed
9/9
Drizzle
72%
12°
28°
Thu
9/10
Clear
44%
13°
28°
Fri
9/11
Rain
64%
13°
31°
Sat
9/12
Clear
60%
16°
30°
Sun
9/13
Drizzle
60%
15°
28°
Mon
9/14
Drizzle
60%
15°
27°
Tue
9/15
Drizzle
60%
14°
28°
Wed
9/16
Drizzle
60%
14°
27°
52
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
52 AQI 10.0 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 35 52
Thu 40 Good 40 39
Fri 42 Good 42 36
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
MLCAPE258 J/kg
MUCAPE1493 J/kg
SBCIN—
MLCIN-140 J/kg
Lifted Index2.4
Kinematics
0–6 km Shear44 kt
0–1 km Shear12 kt
Eff. Shear40 kt
0–1 km SRH76
0–3 km SRH233
Eff. SRH261
Storm Motion280° @ 30 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.1
Supercell8.1
K-Index39.7
Thermo & Levels
PWAT2.02 in
0–3 km LR4.4 °C/km
700–500 LR5.6 °C/km
Total Totals49.3
LCL942 hPa
LFC—
EL—
Freezing Lvl13,143 ft