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

Winnebago County, Iowa, United States

Last updated: 3:02 AM CDT  ·  Refresh
21°C
Feels like 21°
Overcast
▲ 31°  /  ▼ 20°
Wind
10 mph N
Humidity
92%
Dew Point
19°
Pressure
28.61 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
93%
Sunrise
6:40 AM
Sunset
7:48 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Winnebago County is currently overcast at 21°C. Precipitation is likely — peak probability 74% around 3 AM. Atmospheric instability is elevated (CAPE up to 1863 J/kg) — isolated convective development possible. Sunrise: 6:40AM · Sunset: 7:48PM.

Alerts

Severe Thunderstorm Watch
Expires 5:00 AM
Severe Thunderstorm Watch
Expires 5:00 AM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
73%
4 AM
18°
59%
5 AM
18°
60%
6 AM
17°
40%
7 AM
17°
23%
8 AM
18°
19%
9 AM
19°
21%
10 AM
22°
25%
11 AM
23°
29%
12 PM
26°
18%
1 PM
27°
18%
2 PM
29°
20%
3 PM
30°
19%
4 PM
31°
21%
5 PM
30°
21%
6 PM
29°
18%
7 PM
29°
18%
8 PM
27°
24%
9 PM
26°
34%
10 PM
22°
25%
11 PM
22°
25%
12 AM
22°
25%
1 AM
22°
26%
2 AM
21°
33%
7-Day Forecast
Today
31° 20°
Mostly Clear with a 73% chance of rain.
Thu
34° 20°
Rain, 64% chance.
Fri
37° 19°
Mostly Clear with a 55% chance of rain.
Sat
36° 18°
Mostly Clear with a 58% chance of rain.
Sun
37° 18°
Drizzle, 51% chance.
Mon
29° 20°
Rain, 82% chance.
Tue
38° 18°
Drizzle, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Overcast 73% 10 mph N 92%
4 AM 18° Thunderstorm 59% 7 mph E 94%
5 AM 18° Overcast 60% 6 mph ESE 95%
6 AM 17° Overcast 40% 5 mph SE 95%
7 AM 17° Mostly Cloudy 23% 7 mph SSE 95%
8 AM 18° Partly Cloudy 19% 6 mph SSE 92%
9 AM 19° Partly Cloudy 21% 6 mph SSE 89%
10 AM 22° Mostly Clear 25% 4 mph SSE 85%
11 AM 23° Mostly Clear 29% 4 mph SSE 77%
12 PM 26° Mostly Clear 18% 5 mph SSE 70%
1 PM 27° Clear 18% 8 mph SSE 62%
2 PM 29° Clear 20% 7 mph SSE 59%
3 PM 30° Clear 19% 7 mph SSE 56%
4 PM 31° Clear 21% 7 mph S 52%
5 PM 30° Clear 21% 7 mph S 54%
6 PM 29° Clear 18% 6 mph SSE 58%
7 PM 29° Clear 18% 5 mph SSE 62%
8 PM 27° Mostly Clear 24% 6 mph SE 67%
9 PM 26° Mostly Clear 34% 6 mph SE 73%
10 PM 22° Partly Cloudy 25% 7 mph SE 78%
11 PM 22° Partly Cloudy 25% 7 mph SE 78%
12 AM 22° Partly Cloudy 25% 7 mph SSE 78%
1 AM 22° Partly Cloudy 26% 8 mph SSE 79%
2 AM 21° Mostly Cloudy 33% 7 mph SSE 79%
15-Day Forecast
Today
9/2
Mostly Clear
73%
20°
31°
Thu
9/3
Rain
64%
20°
34°
Fri
9/4
Mostly Clear
55%
19°
37°
Sat
9/5
Mostly Clear
58%
18°
36°
Sun
9/6
Drizzle
51%
18°
37°
Mon
9/7
Rain
82%
20°
29°
Tue
9/8
Drizzle
63%
18°
38°
Wed
9/9
Drizzle
53%
14°
29°
Thu
9/10
Drizzle
44%
11°
28°
Fri
9/11
Rain
64%
12°
31°
Sat
9/12
Drizzle
60%
15°
28°
Sun
9/13
Drizzle
60%
14°
28°
Mon
9/14
Clear
60%
14°
28°
Tue
9/15
Drizzle
60%
14°
28°
Wed
9/16
Clear
60%
14°
28°
54
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
54 AQI 10.6 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 35 54
Thu 40 Good 40 40
Fri 36 Good 36 35
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, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE313 J/kg
MUCAPE1263 J/kg
SBCIN—
MLCIN-211 J/kg
Lifted Index0.3
Kinematics
0–6 km Shear53 kt
0–1 km Shear21 kt
Eff. Shear43 kt
0–1 km SRH39
0–3 km SRH116
Eff. SRH179
Storm Motion258° @ 36 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell5.0
K-Index42.5
Thermo & Levels
PWAT1.93 in
0–3 km LR4.3 °C/km
700–500 LR6.1 °C/km
Total Totals51.1
LCL943 hPa
LFC—
EL—
Freezing Lvl13,894 ft