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

Winnebago County, Iowa, United States

Last updated: 2:02 AM CDT  ·  Refresh
22°C
Feels like 23°
Overcast
▲ 31°  /  ▼ 20°
Wind
9 mph NNE
Humidity
89%
Dew Point
20°
Pressure
28.60 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
100%
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 22°C. Precipitation is likely — peak probability 68% around 2 AM. Atmospheric instability is elevated (CAPE up to 1948 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
22°
67%
3 AM
19°
61%
4 AM
18°
60%
5 AM
19°
60%
6 AM
18°
31%
7 AM
18°
27%
8 AM
18°
32%
9 AM
19°
22%
10 AM
22°
22%
11 AM
23°
17%
12 PM
24°
11%
1 PM
27°
20%
2 PM
29°
19%
3 PM
30°
23%
4 PM
31°
21%
5 PM
30°
22%
6 PM
30°
18%
7 PM
29°
18%
8 PM
28°
24%
9 PM
26°
34%
10 PM
23°
25%
11 PM
23°
25%
12 AM
22°
26%
1 AM
21°
29%
7-Day Forecast
Today
31° 20°
Mostly Clear with a 67% chance of rain.
Thu
34° 20°
Rain, 51% chance.
Fri
37° 19°
Mostly Clear with a 52% chance of rain.
Sat
36° 18°
Mostly Clear with a 58% chance of rain.
Sun
36° 18°
Rain, 69% chance.
Mon
29° 20°
Heavy Rain, 82% chance.
Tue
38° 18°
Drizzle, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 22° Overcast 67% 9 mph NNE 89%
3 AM 19° Overcast 61% 9 mph NNE 91%
4 AM 18° Thunderstorm 60% 8 mph ENE 94%
5 AM 19° Overcast 60% 7 mph ESE 95%
6 AM 18° Overcast 31% 5 mph ESE 95%
7 AM 18° Overcast 27% 7 mph SSE 95%
8 AM 18° Partly Cloudy 32% 6 mph SSE 92%
9 AM 19° Partly Cloudy 22% 5 mph SSE 89%
10 AM 22° Partly Cloudy 22% 4 mph SSE 85%
11 AM 23° Mostly Clear 17% 5 mph SSE 77%
12 PM 24° Mostly Clear 11% 6 mph SSE 69%
1 PM 27° Clear 20% 7 mph SSE 62%
2 PM 29° Clear 19% 7 mph SSE 59%
3 PM 30° Clear 23% 7 mph SSE 55%
4 PM 31° Clear 21% 7 mph S 51%
5 PM 30° Clear 22% 7 mph S 54%
6 PM 30° Clear 18% 6 mph S 57%
7 PM 29° Clear 18% 6 mph SSE 61%
8 PM 28° Mostly Clear 24% 6 mph SSE 67%
9 PM 26° Mostly Clear 34% 6 mph SE 72%
10 PM 23° Partly Cloudy 25% 7 mph SE 77%
11 PM 23° Partly Cloudy 25% 7 mph SE 77%
12 AM 22° Partly Cloudy 26% 7 mph SSE 77%
1 AM 21° Partly Cloudy 29% 8 mph SSE 78%
15-Day Forecast
Today
9/2
Mostly Clear
67%
20°
31°
Thu
9/3
Rain
51%
20°
34°
Fri
9/4
Mostly Clear
52%
19°
37°
Sat
9/5
Mostly Clear
58%
18°
36°
Sun
9/6
Rain
69%
18°
36°
Mon
9/7
Heavy 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
Clear
60%
16°
30°
Sun
9/13
Drizzle
60%
15°
29°
Mon
9/14
Drizzle
60%
14°
28°
Tue
9/15
Drizzle
60%
15°
28°
Wed
9/16
Drizzle
60%
14°
27°
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 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 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE311 J/kg
MLCAPE836 J/kg
MUCAPE1344 J/kg
SBCIN-346 J/kg
MLCIN-183 J/kg
Lifted Index-2.0
Kinematics
0–6 km Shear51 kt
0–1 km Shear22 kt
Eff. Shear51 kt
0–1 km SRH133
0–3 km SRH200
Eff. SRH223
Storm Motion257° @ 33 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.2
STP (eff)0.1
Supercell7.9
K-Index41.5
Thermo & Levels
PWAT1.86 in
0–3 km LR4.4 °C/km
700–500 LR6.6 °C/km
Total Totals52.0
LCL940 hPa
LFC647 hPa
EL319 hPa
Freezing Lvl13,944 ft