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

Dane County, Wisconsin, United States

Last updated: 6:00 PM CDT  ·  Refresh
32°C
Feels like 37°
Clear
▲ 33°  /  ▼ 19°
Wind
13 mph WNW
Humidity
60%
Dew Point
22°
Pressure
28.69 inHg
Visibility
10 mi
UV Index
5.2
Cloud Cover
1%
Sunrise
5:43 AM
Sunset
8:24 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Dane County is currently clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2920 J/kg) — isolated convective development possible. Sunrise: 5:43AM · Sunset: 8:24PM.

Alerts

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
32°
16%
7 PM
32°
30%
8 PM
30°
30%
9 PM
30°
30%
10 PM
28°
21%
11 PM
27°
21%
12 AM
26°
17%
1 AM
24°
17%
2 AM
24°
6%
3 AM
23°
3%
4 AM
23°
3%
5 AM
20°
3%
6 AM
20°
3%
7 AM
19°
3%
8 AM
21°
3%
9 AM
22°
3%
10 AM
22°
3%
11 AM
23°
3%
12 PM
24°
3%
1 PM
27°
3%
2 PM
27°
3%
3 PM
28°
3%
4 PM
28°
3%
5 PM
29°
3%
7-Day Forecast
Tonight
33° 19°
Clear with a 30% chance of rain.
Tue
30° 19°
Mostly Clear.
Wed
31° 18°
Clear with a 20% chance of rain.
Thu
36° 19°
Partly Cloudy with a 41% chance of rain.
Fri
31° 18°
Rain, 90% chance.
Sat
33° 17°
Drizzle, 56% chance.
Sun
33° 16°
Partly Cloudy with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Clear 16% 13 mph WNW 60%
7 PM 32° Clear 30% 11 mph WNW 64%
8 PM 30° Clear 30% 8 mph WNW 65%
9 PM 30° Clear 30% 9 mph NW 66%
10 PM 28° Clear 21% 10 mph NNW 68%
11 PM 27° Clear 21% 10 mph NNW 74%
12 AM 26° Partly Cloudy 17% 11 mph N 82%
1 AM 24° Partly Cloudy 17% 12 mph NNE 89%
2 AM 24° Partly Cloudy 6% 12 mph NNE 90%
3 AM 23° Partly Cloudy 3% 11 mph NNE 91%
4 AM 23° Partly Cloudy 3% 11 mph NNE 92%
5 AM 20° Partly Cloudy 3% 10 mph NNE 89%
6 AM 20° Mostly Cloudy 3% 10 mph NNE 87%
7 AM 19° Partly Cloudy 3% 10 mph NNE 84%
8 AM 21° Partly Cloudy 3% 10 mph NNE 78%
9 AM 22° Partly Cloudy 3% 10 mph NNE 72%
10 AM 22° Mostly Clear 3% 10 mph NNE 66%
11 AM 23° Mostly Clear 3% 10 mph NNE 59%
12 PM 24° Mostly Clear 3% 10 mph NNE 54%
1 PM 27° Clear 3% 10 mph NNE 49%
2 PM 27° Clear 3% 9 mph NE 48%
3 PM 28° Clear 3% 9 mph NE 48%
4 PM 28° Clear 3% 8 mph NE 47%
5 PM 29° Clear 3% 7 mph NE 50%
15-Day Forecast
Today
7/27
Clear
30%
19°
33°
Tue
7/28
Mostly Clear
17%
19°
30°
Wed
7/29
Clear
20%
18°
31°
Thu
7/30
Partly Cloudy
41%
19°
36°
Fri
7/31
Rain
90%
18°
31°
Sat
8/1
Drizzle
56%
17°
33°
Sun
8/2
Partly Cloudy
21%
16°
33°
Mon
8/3
Clear
17%
15°
34°
Tue
8/4
Clear
39%
19°
36°
Wed
8/5
Drizzle
58%
17°
34°
Thu
8/6
Drizzle
67%
16°
34°
Fri
8/7
Drizzle
60%
18°
34°
Sat
8/8
Rain
90%
17°
33°
Sun
8/9
Drizzle
60%
17°
34°
Mon
8/10
Drizzle
60%
16°
33°
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 9.2 µg/m³
O3
Ground-level ozone
41 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 51 Moderate 41 51
Wed 42 Good 41 42
Thu 53 Moderate 38 53
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
SBCAPE2461 J/kg
MLCAPE2172 J/kg
MUCAPE2461 J/kg
SBCIN-190 J/kg
MLCIN0 J/kg
Lifted Index-7.2
Kinematics
0–6 km Shear43 kt
0–1 km Shear9 kt
Eff. Shear44 kt
0–1 km SRH10
0–3 km SRH-44
Eff. SRH-44
Storm Motion280° @ 36 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index18.8
Thermo & Levels
PWAT1.40 in
0–3 km LR6.6 °C/km
700–500 LR7.0 °C/km
Total Totals53.6
LCL845 hPa
LFC744 hPa
EL174 hPa
Freezing Lvl15,551 ft