Severe Thunderstorm Watch 7:00 PM

Milwaukee County, Wisconsin, United States

Last updated: 6:06 PM CDT  ·  Refresh
23°C
Feels like 20°
Heavy Rain
▲ 27°  /  ▼ 21°
Wind
22 mph S
Humidity
84%
Dew Point
21°
Pressure
29.04 inHg
Visibility
10 mi
UV Index
4.1
Cloud Cover
60%
Sunrise
5:36 AM
Sunset
8:16 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Milwaukee County is currently heavy rain at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1771 J/kg) — isolated convective development possible. Sunrise: 5:36AM · Sunset: 8:16PM.

Alerts

Severe Thunderstorm Watch
Expires 7:00 PM
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
44%
7 PM
25°
26%
8 PM
24°
28%
9 PM
24°
28%
10 PM
24°
24%
11 PM
23°
18%
12 AM
22°
19%
1 AM
22°
5%
2 AM
22°
6%
3 AM
22°
3%
4 AM
21°
3%
5 AM
21°
3%
6 AM
21°
3%
7 AM
21°
3%
8 AM
21°
3%
9 AM
22°
3%
10 AM
22°
3%
11 AM
22°
3%
12 PM
23°
3%
1 PM
22°
3%
2 PM
22°
3%
3 PM
22°
3%
4 PM
22°
3%
5 PM
22°
3%
7-Day Forecast
Tonight
27° 21°
Heavy Rain, 44% chance.
Tue
23° 21°
Partly Cloudy.
Wed
24° 21°
Clear with a 25% chance of rain.
Thu
27° 22°
Mostly Clear with a 41% chance of rain.
Fri
25° 22°
Partly Cloudy with a 58% chance of rain.
Sat
25° 21°
Drizzle, 56% chance.
Sun
24° 20°
Mostly Clear with a 33% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 23° Heavy Rain 44% 22 mph S 84%
7 PM 25° Clear 26% 19 mph SSW 83%
8 PM 24° Mostly Clear 28% 14 mph SW 85%
9 PM 24° Mostly Clear 28% 8 mph WSW 89%
10 PM 24° Mostly Clear 24% 11 mph WNW 91%
11 PM 23° Partly Cloudy 18% 12 mph NNW 92%
12 AM 22° Mostly Cloudy 19% 16 mph N 93%
1 AM 22° Haze 5% 23 mph N 94%
2 AM 22° Partly Cloudy 6% 23 mph N 94%
3 AM 22° Partly Cloudy 3% 23 mph N 94%
4 AM 21° Partly Cloudy 3% 23 mph N 93%
5 AM 21° Partly Cloudy 3% 22 mph N 90%
6 AM 21° Mostly Cloudy 3% 22 mph N 88%
7 AM 21° Mostly Cloudy 3% 22 mph N 86%
8 AM 21° Partly Cloudy 3% 22 mph N 86%
9 AM 22° Partly Cloudy 3% 22 mph N 86%
10 AM 22° Partly Cloudy 3% 22 mph N 86%
11 AM 22° Mostly Clear 3% 21 mph N 85%
12 PM 23° Mostly Clear 3% 21 mph N 83%
1 PM 22° Clear 3% 20 mph N 82%
2 PM 22° Clear 3% 20 mph N 80%
3 PM 22° Clear 3% 20 mph N 78%
4 PM 22° Clear 3% 20 mph N 76%
5 PM 22° Clear 3% 18 mph N 76%
15-Day Forecast
Today
7/27
Heavy Rain
44%
21°
27°
Tue
7/28
Partly Cloudy
19%
21°
23°
Wed
7/29
Clear
25%
21°
24°
Thu
7/30
Mostly Clear
41%
22°
27°
Fri
7/31
Partly Cloudy
58%
22°
25°
Sat
8/1
Drizzle
56%
21°
25°
Sun
8/2
Mostly Clear
33%
20°
24°
Mon
8/3
Clear
12%
20°
26°
Tue
8/4
Clear
34%
22°
29°
Wed
8/5
Drizzle
54%
21°
27°
Thu
8/6
Drizzle
67%
21°
26°
Fri
8/7
Drizzle
60%
22°
26°
Sat
8/8
Rain
90%
22°
26°
Sun
8/9
Drizzle
60%
22°
27°
Mon
8/10
Drizzle
60%
22°
26°
58
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
58 AQI 13.0 µg/m³
O3
Ground-level ozone
49 AQI 54 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 58 Moderate 49 58
Wed 33 Good 33 25
Thu 33 Good 31 33
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 Mon Jul 27, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE301 J/kg
MLCAPE1020 J/kg
MUCAPE3175 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-1.2
Kinematics
0–6 km Shear65 kt
0–1 km Shear22 kt
Eff. Shear64 kt
0–1 km SRH122
0–3 km SRH59
Eff. SRH59
Storm Motion276° @ 37 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.4
STP (eff)0.2
Supercell6.1
K-Index33.8
Thermo & Levels
PWAT1.76 in
0–3 km LR3.8 °C/km
700–500 LR6.7 °C/km
Total Totals54.0
LCL952 hPa
LFC983 hPa
EL289 hPa
Freezing Lvl15,837 ft