Severe Thunderstorm Watch 7:00 PM Heat Advisory — Sauk, WI, Columbia, WI, Iowa, WI, Dane, WI, Lafayette, WI, Green, WI, Rock, WI, Fond Du Lac, WI, Sheboygan, WI, Washington, WI, Ozaukee, WI, Waukesha, WI, Milwaukee, WI, Racine, WI, Kenosha, WI, Marquette, WI, Green Lake, WI, Dodge, WI, Jefferson, WI, Walworth, WI 9:00 PM

Walworth County, Wisconsin, United States

Last updated: 6:01 PM CDT  ·  Refresh
29°C
Feels like 32°
Partly Cloudy
▲ 31°  /  ▼ 19°
Wind
14 mph SSW
Humidity
69%
Dew Point
24°
Pressure
28.63 inHg
Visibility
6 mi
UV Index
4.9
Cloud Cover
37%
Sunrise
5:41 AM
Sunset
8:19 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Walworth County is currently partly cloudy at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2826 J/kg) — isolated convective development possible. Sunrise: 5:41AM · Sunset: 8:19PM.

Alerts

Severe Thunderstorm Watch
Expires 7:00 PM
Heat Advisory
Sauk, WI, Columbia, WI, Iowa, WI, Dane, WI, Lafayette, WI, Green, WI, Rock, WI, Fond Du Lac, WI, Sheboygan, WI, Washington, WI, Ozaukee, WI, Waukesha, WI, Milwaukee, WI, Racine, WI, Kenosha, WI, Marquette, WI, Green Lake, WI, Dodge, WI, Jefferson, WI, Walworth, WI
Expires 9:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
34%
7 PM
29°
36%
8 PM
28°
43%
9 PM
27°
25%
10 PM
27°
38%
11 PM
26°
23%
12 AM
24°
19%
1 AM
23°
5%
2 AM
22°
6%
3 AM
22°
3%
4 AM
22°
13%
5 AM
19°
13%
6 AM
19°
3%
7 AM
19°
3%
8 AM
20°
3%
9 AM
22°
3%
10 AM
22°
3%
11 AM
23°
3%
12 PM
24°
3%
1 PM
26°
3%
2 PM
26°
3%
3 PM
26°
3%
4 PM
26°
3%
5 PM
28°
3%
7-Day Forecast
Tonight
31° 19°
Partly Cloudy with a 34% chance of rain.
Tue
28° 17°
Partly Cloudy.
Wed
30° 16°
Clear.
Thu
33° 19°
Partly Cloudy with a 41% chance of rain.
Fri
28° 18°
Rain, 69% chance.
Sat
31° 17°
Drizzle, 80% chance.
Sun
30° 16°
Partly Cloudy with a 25% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 29° Partly Cloudy 34% 14 mph SSW 69%
7 PM 29° Partly Cloudy 36% 11 mph SW 74%
8 PM 28° Mostly Clear 43% 10 mph WSW 78%
9 PM 27° Mostly Clear 25% 10 mph WSW 78%
10 PM 27° Partly Cloudy 38% 9 mph W 82%
11 PM 26° Mostly Clear 23% 7 mph NW 85%
12 AM 24° Partly Cloudy 19% 8 mph NNW 89%
1 AM 23° Overcast 5% 12 mph N 92%
2 AM 22° Partly Cloudy 6% 12 mph N 92%
3 AM 22° Partly Cloudy 3% 11 mph N 94%
4 AM 22° Partly Cloudy 13% 10 mph N 94%
5 AM 19° Partly Cloudy 13% 10 mph N 92%
6 AM 19° Partly Cloudy 3% 10 mph N 89%
7 AM 19° Mostly Cloudy 3% 11 mph N 86%
8 AM 20° Partly Cloudy 3% 11 mph NNE 80%
9 AM 22° Partly Cloudy 3% 11 mph NNE 73%
10 AM 22° Partly Cloudy 3% 11 mph NNE 67%
11 AM 23° Mostly Clear 3% 11 mph NNE 62%
12 PM 24° Mostly Clear 3% 11 mph NNE 57%
1 PM 26° Clear 3% 11 mph NNE 52%
2 PM 26° Clear 3% 11 mph NNE 51%
3 PM 26° Clear 3% 11 mph NNE 50%
4 PM 26° Clear 3% 10 mph NNE 49%
5 PM 28° Clear 3% 9 mph NNE 52%
15-Day Forecast
Today
7/27
Partly Cloudy
34%
19°
31°
Tue
7/28
Partly Cloudy
19%
17°
28°
Wed
7/29
Clear
6%
16°
30°
Thu
7/30
Partly Cloudy
41%
19°
33°
Fri
7/31
Rain
69%
18°
28°
Sat
8/1
Drizzle
80%
17°
31°
Sun
8/2
Partly Cloudy
25%
16°
30°
Mon
8/3
Clear
21%
15°
32°
Tue
8/4
Clear
38%
19°
33°
Wed
8/5
Drizzle
58%
18°
32°
Thu
8/6
Drizzle
67%
17°
32°
Fri
8/7
Drizzle
60%
18°
32°
Sat
8/8
Rain
90%
18°
31°
Sun
8/9
Clear
60%
18°
32°
Mon
8/10
Drizzle
60%
17°
31°
51
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
51 AQI 9.1 µg/m³
O3
Ground-level ozone
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 51 Moderate 40 51
Wed 33 Good 33 31
Thu 47 Good 41 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 Mon Jul 27, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2787 J/kg
MLCAPE3551 J/kg
MUCAPE4166 J/kg
SBCIN-108 J/kg
MLCIN0 J/kg
Lifted Index-6.4
Kinematics
0–6 km Shear53 kt
0–1 km Shear21 kt
Eff. Shear54 kt
0–1 km SRH140
0–3 km SRH53
Eff. SRH53
Storm Motion278° @ 38 kt
0–1 km EHI2.4
Composite Parameters
Sig. Tornado3.3
STP (eff)0.8
Supercell6.1
K-Index18.2
Thermo & Levels
PWAT1.65 in
0–3 km LR5.5 °C/km
700–500 LR6.6 °C/km
Total Totals52.2
LCL905 hPa
LFC771 hPa
EL150 hPa
Freezing Lvl15,804 ft