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

Sauk County, Wisconsin, United States

Last updated: 4:38 PM CDT  ·  Refresh
29°C
Feels like 33°
Partly Cloudy
▲ 29°  /  ▼ 19°
Wind
10 mph SW
Humidity
71%
Dew Point
21°
Pressure
28.80 inHg
Visibility
10 mi
UV Index
6.6
Cloud Cover
52%
Sunrise
5:27 AM
Sunset
8:42 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sauk County is currently partly cloudy at 29°C. Precipitation is likely — peak probability 90% around 10 PM. Atmospheric instability is elevated (CAPE up to 2287 J/kg) — isolated convective development possible. Sunrise: 5:27AM · Sunset: 8:42PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
Severe Thunderstorm Watch
Expires 10:00 PM
36 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
31%
5 PM
29°
53%
6 PM
29°
42%
7 PM
28°
57%
8 PM
26°
59%
9 PM
24°
77%
10 PM
23°
90%
11 PM
22°
90%
12 AM
22°
90%
1 AM
21°
74%
2 AM
21°
75%
3 AM
21°
62%
4 AM
21°
63%
5 AM
19°
54%
6 AM
19°
28%
7 AM
19°
24%
8 AM
20°
36%
9 AM
21°
40%
10 AM
21°
37%
11 AM
23°
42%
12 PM
24°
42%
1 PM
25°
53%
2 PM
26°
54%
3 PM
26°
54%
7-Day Forecast
Today
29° 19°
Mostly Cloudy with a 90% chance of rain.
Thu
29° 18°
Mostly Cloudy with a 74% chance of rain.
Fri
28° 18°
Mostly Cloudy.
Sat
28° 17°
Clear.
Sun
29° 18°
Partly Cloudy.
Mon
29° 18°
Clear.
Tue
31° 19°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 29° Partly Cloudy 31% 10 mph SW 71%
5 PM 29° Mostly Cloudy 53% 10 mph WSW 76%
6 PM 29° Overcast 42% 8 mph WSW 79%
7 PM 28° Overcast 57% 5 mph WSW 82%
8 PM 26° Overcast 59% 3 mph WSW 87%
9 PM 24° Heavy Rain 77% 4 mph NW 91%
10 PM 23° Rain 90% 4 mph NNE 94%
11 PM 22° Rain 90% 5 mph NNE 95%
12 AM 22° Rain 90% 6 mph ENE 96%
1 AM 21° Overcast 74% 5 mph SE 96%
2 AM 21° Overcast 75% 3 mph SSW 96%
3 AM 21° Overcast 62% 4 mph SW 96%
4 AM 21° Overcast 63% 4 mph WSW 96%
5 AM 19° Overcast 54% 5 mph WSW 96%
6 AM 19° Mostly Cloudy 28% 6 mph WSW 95%
7 AM 19° Mostly Cloudy 24% 6 mph W 93%
8 AM 20° Mostly Cloudy 36% 6 mph W 92%
9 AM 21° Mostly Cloudy 40% 7 mph W 91%
10 AM 21° Mostly Cloudy 37% 6 mph WNW 90%
11 AM 23° Mostly Cloudy 42% 6 mph WNW 88%
12 PM 24° Rain 42% 5 mph WNW 87%
1 PM 25° Rain 53% 5 mph WNW 85%
2 PM 26° Rain 54% 5 mph WNW 83%
3 PM 26° Mostly Cloudy 54% 5 mph WNW 81%
15-Day Forecast
Today
7/8
Mostly Cloudy
90%
19°
29°
Thu
7/9
Mostly Cloudy
74%
18°
29°
Fri
7/10
Mostly Cloudy
16%
18°
28°
Sat
7/11
Clear
17%
17°
28°
Sun
7/12
Partly Cloudy
19%
18°
29°
Mon
7/13
Clear
3%
18°
29°
Tue
7/14
Partly Cloudy
9%
19°
31°
Wed
7/15
Partly Cloudy
60%
18°
30°
Thu
7/16
Drizzle
60%
18°
29°
Fri
7/17
Drizzle
60%
18°
28°
Sat
7/18
Drizzle
60%
13°
27°
Sun
7/19
Drizzle
60%
17°
26°
Mon
7/20
Drizzle
60%
16°
26°
Tue
7/21
Drizzle
60%
16°
26°
Wed
7/22
Drizzle
60%
16°
26°
36
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
36 AQI 6.5 µg/m³
O3
Ground-level ozone
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 36 Good 33 36
Fri 36 Good 36 22
Sat 31 Good 31 28
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, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2479 J/kg
MLCAPE1374 J/kg
MUCAPE2479 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.7
Kinematics
0–6 km Shear23 kt
0–1 km Shear6 kt
Eff. Shear24 kt
0–1 km SRH-7
0–3 km SRH-29
Eff. SRH-29
Storm Motion228° @ 27 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index37.4
Thermo & Levels
PWAT1.74 in
0–3 km LR7.4 °C/km
700–500 LR5.7 °C/km
Total Totals48.9
LCL873 hPa
LFC975 hPa
EL186 hPa
Freezing Lvl14,140 ft