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

Washington County, Wisconsin, United States

Last updated: 6:51 PM CDT  ·  Refresh
27°C
Feels like 30°
Mostly Cloudy
▲ 30°  /  ▼ 19°
Wind
6 mph SW
Humidity
82%
Dew Point
23°
Pressure
28.83 inHg
Visibility
9 mi
UV Index
3.0
Cloud Cover
68%
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 27°C. Precipitation is likely — peak probability 90% around 10 PM. Atmospheric instability is elevated (CAPE up to 2399 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
27°
75%
7 PM
27°
84%
8 PM
26°
88%
9 PM
23°
87%
10 PM
23°
90%
11 PM
22°
72%
12 AM
22°
69%
1 AM
20°
69%
2 AM
20°
60%
3 AM
20°
83%
4 AM
21°
69%
5 AM
19°
65%
6 AM
19°
56%
7 AM
20°
53%
8 AM
21°
53%
9 AM
22°
61%
10 AM
23°
59%
11 AM
23°
59%
12 PM
24°
60%
1 PM
26°
60%
2 PM
26°
61%
3 PM
26°
57%
4 PM
26°
64%
5 PM
27°
60%
7-Day Forecast
Tonight
30° 19°
Mostly Cloudy with a 87% chance of rain.
Thu
27° 18°
Mostly Cloudy with a 83% chance of rain.
Fri
27° 16°
Partly Cloudy.
Sat
28° 16°
Mostly Clear.
Sun
29° 17°
Mostly Cloudy.
Mon
31° 18°
Mostly Clear.
Tue
32° 20°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Cloudy 75% 6 mph SW 82%
7 PM 27° Mostly Cloudy 84% 5 mph SW 86%
8 PM 26° Rain 88% 4 mph NNW 90%
9 PM 23° Thunderstorm 87% 9 mph NW 93%
10 PM 23° Thunderstorm 90% 7 mph WNW 95%
11 PM 22° Rain 72% 3 mph SE 96%
12 AM 22° Mostly Cloudy 69% 5 mph SSE 97%
1 AM 20° Overcast 69% 5 mph SSE 97%
2 AM 20° Overcast 60% 5 mph SSE 97%
3 AM 20° Overcast 83% 5 mph S 96%
4 AM 21° Overcast 69% 6 mph S 96%
5 AM 19° Overcast 65% 5 mph SSW 96%
6 AM 19° Fog 56% 6 mph SSW 96%
7 AM 20° Overcast 53% 5 mph WSW 93%
8 AM 21° Overcast 53% 5 mph WSW 91%
9 AM 22° Mostly Cloudy 61% 6 mph W 89%
10 AM 23° Mostly Cloudy 59% 5 mph W 86%
11 AM 23° Mostly Cloudy 59% 5 mph WNW 83%
12 PM 24° Rain 60% 5 mph WNW 79%
1 PM 26° Rain 60% 5 mph WNW 78%
2 PM 26° Rain 61% 5 mph NW 77%
3 PM 26° Rain 57% 5 mph NNW 76%
4 PM 26° Mostly Cloudy 64% 5 mph NNE 79%
5 PM 27° Mostly Cloudy 60% 6 mph ENE 82%
15-Day Forecast
Today
7/8
Mostly Cloudy
87%
19°
30°
Thu
7/9
Mostly Cloudy
83%
18°
27°
Fri
7/10
Partly Cloudy
12%
16°
27°
Sat
7/11
Mostly Clear
7%
16°
28°
Sun
7/12
Mostly Cloudy
16%
17°
29°
Mon
7/13
Mostly Clear
8%
18°
31°
Tue
7/14
Mostly Clear
17%
20°
32°
Wed
7/15
Partly Cloudy
17%
18°
29°
Thu
7/16
Rain
68%
18°
32°
Fri
7/17
Partly Cloudy
44%
19°
34°
Sat
7/18
Drizzle
51%
18°
34°
Sun
7/19
Drizzle
60%
17°
32°
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, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2778 J/kg
MLCAPE2055 J/kg
MUCAPE2778 J/kg
SBCIN-8 J/kg
MLCIN0 J/kg
Lifted Index-7.0
Kinematics
0–6 km Shear18 kt
0–1 km Shear12 kt
Eff. Shear19 kt
0–1 km SRH-37
0–3 km SRH-38
Eff. SRH-38
Storm Motion227° @ 25 kt
0–1 km EHI-0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.4
Thermo & Levels
PWAT1.96 in
0–3 km LR6.7 °C/km
700–500 LR5.7 °C/km
Total Totals49.8
LCL918 hPa
LFC890 hPa
EL181 hPa
Freezing Lvl14,137 ft