Severe Thunderstorm Watch 10:00 PM Severe Thunderstorm Watch 10:00 PM

Washington County, Wisconsin, United States

Last updated: 5:42 PM CDT  ·  Refresh
28°C
Feels like 32°
Mostly Cloudy
▲ 30°  /  ▼ 19°
Wind
8 mph SW
Humidity
75%
Dew Point
22°
Pressure
28.84 inHg
Visibility
10 mi
UV Index
4.6
Cloud Cover
67%
Sunrise
5:20 AM
Sunset
8:35 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Washington County is currently mostly cloudy at 28°C. Precipitation is likely — peak probability 90% around 10 PM. Atmospheric instability is elevated (CAPE up to 2282 J/kg) — isolated convective development possible. Sunrise: 5:20AM · Sunset: 8:35PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
Severe Thunderstorm Watch
Expires 10:00 PM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
50%
6 PM
29°
75%
7 PM
28°
63%
8 PM
27°
87%
9 PM
24°
86%
10 PM
23°
90%
11 PM
22°
71%
12 AM
22°
51%
1 AM
20°
82%
2 AM
20°
82%
3 AM
21°
82%
4 AM
21°
78%
5 AM
19°
77%
6 AM
19°
58%
7 AM
20°
49%
8 AM
21°
50%
9 AM
22°
58%
10 AM
22°
45%
11 AM
23°
45%
12 PM
25°
46%
1 PM
26°
47%
2 PM
26°
47%
3 PM
26°
44%
4 PM
26°
52%
7-Day Forecast
Today
30° 19°
Mostly Cloudy with a 87% chance of rain.
Thu
27° 18°
Haze with a 82% chance of rain.
Fri
27° 16°
Partly Cloudy.
Sat
28° 16°
Mostly Clear.
Sun
29° 17°
Partly Cloudy.
Mon
32° 18°
Mostly Clear.
Tue
33° 20°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 28° Mostly Cloudy 50% 8 mph SW 75%
6 PM 29° Mostly Cloudy 75% 8 mph SW 81%
7 PM 28° Mostly Cloudy 63% 5 mph SW 86%
8 PM 27° Mostly Cloudy 87% 3 mph WNW 89%
9 PM 24° Thunderstorm 86% 9 mph NW 92%
10 PM 23° Thunderstorm 90% 6 mph NNW 94%
11 PM 22° Overcast 71% 4 mph E 96%
12 AM 22° Mostly Cloudy 51% 5 mph SSE 97%
1 AM 20° Overcast 82% 5 mph SSE 97%
2 AM 20° Rain 82% 6 mph SSE 96%
3 AM 21° Overcast 82% 6 mph S 96%
4 AM 21° Overcast 78% 6 mph S 96%
5 AM 19° Haze 77% 6 mph SSW 96%
6 AM 19° Fog 58% 6 mph SW 96%
7 AM 20° Overcast 49% 5 mph SW 94%
8 AM 21° Overcast 50% 5 mph WSW 91%
9 AM 22° Overcast 58% 6 mph WSW 88%
10 AM 22° Overcast 45% 6 mph WSW 86%
11 AM 23° Overcast 45% 6 mph WSW 82%
12 PM 25° Rain 46% 6 mph WSW 80%
1 PM 26° Rain 47% 6 mph W 79%
2 PM 26° Rain 47% 6 mph W 78%
3 PM 26° Rain 44% 7 mph W 77%
4 PM 26° Mostly Cloudy 52% 7 mph S 79%
15-Day Forecast
Today
7/8
Mostly Cloudy
87%
19°
30°
Thu
7/9
Haze
82%
18°
27°
Fri
7/10
Partly Cloudy
8%
16°
27°
Sat
7/11
Mostly Clear
8%
16°
28°
Sun
7/12
Partly Cloudy
19%
17°
29°
Mon
7/13
Mostly Clear
9%
18°
32°
Tue
7/14
Mostly Clear
19%
20°
33°
Wed
7/15
Partly Cloudy
60%
18°
30°
Thu
7/16
Drizzle
60%
18°
30°
Fri
7/17
Drizzle
60%
18°
29°
Sat
7/18
Drizzle
60%
17°
27°
Sun
7/19
Drizzle
60%
17°
27°
Mon
7/20
Drizzle
60%
17°
27°
Tue
7/21
Drizzle
60%
17°
27°
Wed
7/22
Drizzle
60%
17°
26°
54
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
54 AQI 10.6 µg/m³
O3
Ground-level ozone
42 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 54 Moderate 42 54
Fri 43 Good 43 33
Sat 37 Good 32 37
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
SBCAPE2638 J/kg
MLCAPE1967 J/kg
MUCAPE2638 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.9
Kinematics
0–6 km Shear20 kt
0–1 km Shear7 kt
Eff. Shear21 kt
0–1 km SRH-15
0–3 km SRH-31
Eff. SRH-31
Storm Motion231° @ 24 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.7
Thermo & Levels
PWAT1.69 in
0–3 km LR6.9 °C/km
700–500 LR6.0 °C/km
Total Totals49.6
LCL893 hPa
LFC976 hPa
EL180 hPa
Freezing Lvl14,544 ft