Severe Thunderstorm Watch 10:00 PM Severe Thunderstorm Watch 10:00 PM Areal Flood Advisory — Brown County, WI, Calumet County, WI, Manitowoc County, WI, Winnebago County, WI 8:15 PM Areal Flood Advisory — Brown County, WI 8:30 PM

Brown County, Wisconsin, United States

Last updated: 7:46 PM CDT  ·  Refresh
22°C
Feels like 24°
Thunderstorm
▲ 29°  /  ▼ 19°
Wind
6 mph E
Humidity
96%
Dew Point
21°
Pressure
29.18 inHg
Visibility
3 mi
UV Index
0.6
Cloud Cover
99%
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 thunderstorm at 21°C. Precipitation is likely — peak probability 90% around 7 PM. Atmospheric instability is elevated (CAPE up to 578 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, Calumet County, WI, Manitowoc County, WI, Winnebago County, WI
Expires 8:15 PM
Areal Flood Advisory
Brown County, WI
Expires 8:30 PM
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
90%
8 PM
22°
90%
9 PM
22°
90%
10 PM
22°
84%
11 PM
22°
65%
12 AM
22°
71%
1 AM
21°
60%
2 AM
21°
76%
3 AM
21°
76%
4 AM
21°
76%
5 AM
19°
76%
6 AM
19°
70%
7 AM
19°
70%
8 AM
19°
65%
9 AM
20°
48%
10 AM
21°
45%
11 AM
21°
43%
12 PM
21°
43%
1 PM
21°
43%
2 PM
23°
44%
3 PM
23°
44%
4 PM
23°
44%
5 PM
23°
45%
6 PM
23°
35%
7-Day Forecast
Tonight
29° 19°
Thunderstorm, 90% chance.
Thu
25° 17°
Mostly Cloudy with a 76% chance of rain.
Fri
27° 16°
Mostly Clear.
Sat
27° 15°
Mostly Clear.
Sun
28° 18°
Mostly Cloudy.
Mon
29° 19°
Clear.
Tue
31° 18°
Rain, 28% chance.
TimeTempConditionsPrecipWindHumidity
Now 22° Thunderstorm 90% 6 mph E 96%
8 PM 22° Rain 90% 4 mph SSE 96%
9 PM 22° Heavy Rain 90% 6 mph S 96%
10 PM 22° Overcast 84% 5 mph S 96%
11 PM 22° Overcast 65% 5 mph SSW 97%
12 AM 22° Overcast 71% 5 mph SW 97%
1 AM 21° Overcast 60% 5 mph SW 98%
2 AM 21° Overcast 76% 4 mph SW 98%
3 AM 21° Rain 76% 3 mph SW 98%
4 AM 21° Rain 76% 2 mph SW 97%
5 AM 19° Rain 76% 3 mph W 97%
6 AM 19° Rain 70% 2 mph WNW 96%
7 AM 19° Mostly Cloudy 70% 3 mph ENE 95%
8 AM 19° Overcast 65% 4 mph NNE 94%
9 AM 20° Overcast 48% 6 mph NNE 93%
10 AM 21° Overcast 45% 6 mph NNE 92%
11 AM 21° Overcast 43% 6 mph NNE 90%
12 PM 21° Mostly Cloudy 43% 6 mph NNE 90%
1 PM 21° Mostly Cloudy 43% 7 mph NNE 88%
2 PM 23° Mostly Cloudy 44% 8 mph NNE 86%
3 PM 23° Partly Cloudy 44% 8 mph NNE 84%
4 PM 23° Partly Cloudy 44% 8 mph NNE 84%
5 PM 23° Partly Cloudy 45% 7 mph NNE 85%
6 PM 23° Partly Cloudy 35% 7 mph NNE 87%
15-Day Forecast
Today
7/8
Thunderstorm
90%
19°
29°
Thu
7/9
Mostly Cloudy
76%
17°
25°
Fri
7/10
Mostly Clear
18%
16°
27°
Sat
7/11
Mostly Clear
16%
15°
27°
Sun
7/12
Mostly Cloudy
8%
18°
28°
Mon
7/13
Clear
3%
19°
29°
Tue
7/14
Rain
28%
18°
31°
Wed
7/15
Clear
17%
18°
27°
Thu
7/16
Rain
68%
18°
27°
Fri
7/17
Thunderstorm
51%
19°
32°
Sat
7/18
Drizzle
60%
18°
33°
Sun
7/19
Drizzle
60%
17°
33°
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
Today 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, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE269 J/kg
MLCAPE961 J/kg
MUCAPE1411 J/kg
SBCIN-88 J/kg
MLCIN0 J/kg
Lifted Index-1.4
Kinematics
0–6 km Shear31 kt
0–1 km Shear11 kt
Eff. Shear31 kt
0–1 km SRH-26
0–3 km SRH-61
Eff. SRH-61
Storm Motion234° @ 25 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index38.3
Thermo & Levels
PWAT2.17 in
0–3 km LR5.0 °C/km
700–500 LR5.4 °C/km
Total Totals48.6
LCL976 hPa
LFC750 hPa
EL309 hPa
Freezing Lvl13,727 ft