Severe Thunderstorm Watch 10:00 PM Severe Thunderstorm Watch 10:00 PM Areal Flood Advisory — Brown County, WI 7:00 PM Flash Flood Warning — Brown County, WI 7:15 PM Areal Flood Advisory — Brown County, WI, Calumet County, WI, Manitowoc County, WI, Winnebago County, WI 8:15 PM

Brown County, Wisconsin, United States

Last updated: 5:37 PM CDT  ·  Refresh
25°C
Feels like 29°
Heavy Rain
▲ 29°  /  ▼ 19°
Wind
4 mph NW
Humidity
85%
Dew Point
22°
Pressure
29.20 inHg
Visibility
10 mi
UV Index
3.4
Cloud Cover
84%
Sunrise
5:16 AM
Sunset
8:37 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Brown County is currently heavy rain at 25°C. Precipitation is likely — peak probability 90% around 5 PM. Atmospheric instability is elevated (CAPE up to 1211 J/kg) — isolated convective development possible. Sunrise: 5:16AM · Sunset: 8:37PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
Severe Thunderstorm Watch
Expires 10:00 PM
Areal Flood Advisory
Brown County, WI
Expires 7:00 PM
Flash Flood Warning
Brown County, WI
Expires 7:15 PM
Areal Flood Advisory
Brown County, WI, Calumet County, WI, Manitowoc County, WI, Winnebago County, WI
Expires 8:15 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
90%
6 PM
24°
90%
7 PM
24°
90%
8 PM
23°
90%
9 PM
23°
90%
10 PM
22°
84%
11 PM
22°
79%
12 AM
22°
73%
1 AM
21°
59%
2 AM
21°
59%
3 AM
21°
60%
4 AM
21°
75%
5 AM
19°
75%
6 AM
19°
67%
7 AM
19°
68%
8 AM
19°
50%
9 AM
20°
44%
10 AM
21°
41%
11 AM
21°
41%
12 PM
21°
38%
1 PM
22°
38%
2 PM
23°
38%
3 PM
23°
39%
4 PM
23°
39%
7-Day Forecast
Today
29° 19°
Heavy Rain, 90% chance.
Thu
26° 17°
Rain, 75% chance.
Fri
28° 15°
Fog.
Sat
28° 16°
Fog.
Sun
27° 17°
Mostly Cloudy.
Mon
31° 19°
Mostly Clear.
Tue
33° 19°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 25° Heavy Rain 90% 4 mph NW 85%
6 PM 24° Rain 90% 3 mph E 94%
7 PM 24° Heavy Rain 90% 5 mph ESE 96%
8 PM 23° Heavy Rain 90% 5 mph SSE 96%
9 PM 23° Overcast 90% 4 mph S 96%
10 PM 22° Heavy Rain 84% 5 mph S 96%
11 PM 22° Heavy Rain 79% 6 mph SSW 97%
12 AM 22° Overcast 73% 6 mph SSW 97%
1 AM 21° Overcast 59% 5 mph SSW 97%
2 AM 21° Overcast 59% 4 mph SSW 97%
3 AM 21° Overcast 60% 4 mph SW 97%
4 AM 21° Overcast 75% 4 mph SW 97%
5 AM 19° Rain 75% 4 mph W 96%
6 AM 19° Rain 67% 5 mph WNW 96%
7 AM 19° Overcast 68% 6 mph NW 95%
8 AM 19° Mostly Cloudy 50% 6 mph NNW 94%
9 AM 20° Mostly Cloudy 44% 6 mph N 93%
10 AM 21° Mostly Cloudy 41% 6 mph N 92%
11 AM 21° Mostly Cloudy 41% 6 mph NNE 91%
12 PM 21° Mostly Cloudy 38% 7 mph NNE 90%
1 PM 22° Mostly Cloudy 38% 7 mph NNE 88%
2 PM 23° Partly Cloudy 38% 7 mph NNE 86%
3 PM 23° Partly Cloudy 39% 7 mph NNE 84%
4 PM 23° Partly Cloudy 39% 6 mph NNE 84%
15-Day Forecast
Today
7/8
Heavy Rain
90%
19°
29°
Thu
7/9
Rain
75%
17°
26°
Fri
7/10
Fog
18%
15°
28°
Sat
7/11
Fog
3%
16°
28°
Sun
7/12
Mostly Cloudy
9%
17°
27°
Mon
7/13
Mostly Clear
3%
19°
31°
Tue
7/14
Partly Cloudy
19%
19°
33°
Wed
7/15
Mostly Cloudy
60%
18°
28°
Thu
7/16
Drizzle
60%
17°
29°
Fri
7/17
Drizzle
60%
17°
29°
Sat
7/18
Drizzle
60%
14°
26°
Sun
7/19
Drizzle
60%
17°
25°
Mon
7/20
Drizzle
60%
17°
26°
Tue
7/21
Drizzle
60%
17°
25°
Wed
7/22
Drizzle
60%
17°
24°
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 9.5 µg/m³
O3
Ground-level ozone
34 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 52 Moderate 34 52
Fri 45 Good 26 45
Sat 47 Good 28 47
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, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1804 J/kg
MLCAPE1236 J/kg
MUCAPE1804 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-4.5
Kinematics
0–6 km Shear31 kt
0–1 km Shear9 kt
Eff. Shear31 kt
0–1 km SRH-36
0–3 km SRH-91
Eff. SRH-91
Storm Motion231° @ 25 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.5
Thermo & Levels
PWAT2.11 in
0–3 km LR6.3 °C/km
700–500 LR5.3 °C/km
Total Totals46.5
LCL943 hPa
LFC989 hPa
EL192 hPa
Freezing Lvl13,317 ft