Severe Thunderstorm Watch 10:00 PM Severe Thunderstorm Watch 10:00 PM Areal Flood Advisory — Outagamie County, WI, Portage County, WI, Waupaca County, WI 5:45 PM

Portage County, Wisconsin, United States

Last updated: 4:43 PM CDT  ·  Refresh
26°C
Feels like 28°
Heavy Rain
▲ 29°  /  ▼ 18°
Wind
6 mph WSW
Humidity
81%
Dew Point
22°
Pressure
28.77 inHg
Visibility
10 mi
UV Index
4.1
Cloud Cover
84%
Sunrise
5:21 AM
Sunset
8:44 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Portage County is currently heavy rain at 26°C. Precipitation is likely — peak probability 90% around 4 PM. Atmospheric instability is elevated (CAPE up to 1981 J/kg) — isolated convective development possible. Sunrise: 5:21AM · Sunset: 8:44PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
Severe Thunderstorm Watch
Expires 10:00 PM
Areal Flood Advisory
Outagamie County, WI, Portage County, WI, Waupaca County, WI
Expires 5:45 PM
42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
90%
5 PM
26°
90%
6 PM
24°
90%
7 PM
23°
90%
8 PM
23°
90%
9 PM
21°
84%
10 PM
21°
67%
11 PM
21°
62%
12 AM
20°
47%
1 AM
19°
51%
2 AM
19°
56%
3 AM
19°
62%
4 AM
19°
72%
5 AM
18°
61%
6 AM
18°
54%
7 AM
19°
54%
8 AM
19°
64%
9 AM
20°
64%
10 AM
21°
64%
11 AM
22°
64%
12 PM
22°
64%
1 PM
24°
64%
2 PM
24°
53%
3 PM
24°
53%
7-Day Forecast
Today
29° 18°
Heavy Rain, 90% chance.
Thu
27° 16°
Mostly Cloudy with a 72% chance of rain.
Fri
28° 16°
Mostly Clear with a 20% chance of rain.
Sat
28° 16°
Clear.
Sun
29° 17°
Partly Cloudy.
Mon
31° 18°
Clear.
Tue
32° 18°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Heavy Rain 90% 6 mph WSW 80%
5 PM 26° Rain 90% 7 mph WNW 86%
6 PM 24° Rain 90% 6 mph WNW 91%
7 PM 23° Rain 90% 7 mph W 94%
8 PM 23° Rain 90% 5 mph W 96%
9 PM 21° Rain 84% 3 mph SW 97%
10 PM 21° Rain 67% 4 mph SSW 97%
11 PM 21° Overcast 62% 5 mph SW 97%
12 AM 20° Overcast 47% 5 mph SW 97%
1 AM 19° Overcast 51% 5 mph SW 98%
2 AM 19° Overcast 56% 4 mph SW 98%
3 AM 19° Overcast 62% 5 mph SW 98%
4 AM 19° Rain 72% 5 mph SW 98%
5 AM 18° Rain 61% 5 mph WSW 98%
6 AM 18° Rain 54% 6 mph W 98%
7 AM 19° Rain 54% 5 mph NW 98%
8 AM 19° Fog 64% 5 mph NNW 96%
9 AM 20° Fog 64% 6 mph NNW 94%
10 AM 21° Mostly Cloudy 64% 6 mph N 92%
11 AM 22° Mostly Cloudy 64% 6 mph N 89%
12 PM 22° Mostly Cloudy 64% 7 mph NNE 86%
1 PM 24° Partly Cloudy 64% 7 mph NNE 84%
2 PM 24° Partly Cloudy 53% 7 mph NNE 81%
3 PM 24° Partly Cloudy 53% 7 mph NNE 78%
15-Day Forecast
Today
7/8
Heavy Rain
90%
18°
29°
Thu
7/9
Mostly Cloudy
72%
16°
27°
Fri
7/10
Mostly Clear
20%
16°
28°
Sat
7/11
Clear
8%
16°
28°
Sun
7/12
Partly Cloudy
9%
17°
29°
Mon
7/13
Clear
3%
18°
31°
Tue
7/14
Mostly Clear
19%
18°
32°
Wed
7/15
Mostly Clear
60%
17°
28°
Thu
7/16
Drizzle
60%
17°
28°
Fri
7/17
Drizzle
60%
17°
28°
Sat
7/18
Rain
75%
13°
27°
Sun
7/19
Drizzle
60%
16°
27°
Mon
7/20
Drizzle
60%
15°
27°
Tue
7/21
Drizzle
60%
15°
27°
Wed
7/22
Drizzle
60%
15°
26°
42
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
42 AQI 7.5 µg/m³
O3
Ground-level ozone
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 42 Good 36 42
Fri 43 Good 31 43
Sat 49 Good 29 49
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 Jul 8, 20:00'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
SBCAPE2389 J/kg
MLCAPE1668 J/kg
MUCAPE2389 J/kg
SBCIN-13 J/kg
MLCIN0 J/kg
Lifted Index-6.7
Kinematics
0–6 km Shear29 kt
0–1 km Shear13 kt
Eff. Shear28 kt
0–1 km SRH-35
0–3 km SRH-62
Eff. SRH-62
Storm Motion234° @ 31 kt
0–1 km EHI-0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.1
Thermo & Levels
PWAT1.90 in
0–3 km LR6.4 °C/km
700–500 LR5.9 °C/km
Total Totals49.2
LCL923 hPa
LFC880 hPa
EL186 hPa
Freezing Lvl13,510 ft