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

Marquette County, Wisconsin, United States

Last updated: 6:01 PM CDT  ·  Refresh
33°C
Feels like 33°
Mostly Clear
▲ 34°  /  ▼ 17°
Wind
10 mph NW
Humidity
35%
Dew Point
20°
Pressure
28.74 inHg
Visibility
10 mi
UV Index
5.2
Cloud Cover
12%
Sunrise
5:41 AM
Sunset
8:26 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marquette County is currently mostly clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1601 J/kg) — isolated convective development possible. Sunrise: 5:41AM · Sunset: 8:26PM.

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: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
3%
7 PM
33°
19%
8 PM
31°
20%
9 PM
28°
20%
10 PM
26°
35%
11 PM
24°
20%
12 AM
23°
17%
1 AM
22°
5%
2 AM
21°
6%
3 AM
21°
3%
4 AM
20°
3%
5 AM
18°
3%
6 AM
17°
3%
7 AM
17°
4%
8 AM
19°
3%
9 AM
22°
3%
10 AM
23°
3%
11 AM
24°
3%
12 PM
26°
3%
1 PM
28°
3%
2 PM
28°
3%
3 PM
28°
3%
4 PM
28°
3%
5 PM
31°
3%
7-Day Forecast
Tonight
34° 17°
Mostly Clear with a 20% chance of rain.
Tue
31° 17°
Mostly Clear.
Wed
33° 16°
Mostly Clear.
Thu
38° 19°
Fog with a 55% chance of rain.
Fri
33° 18°
Rain, 82% chance.
Sat
35° 16°
Drizzle, 68% chance.
Sun
33° 15°
Mostly Clear with a 32% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 33° Mostly Clear 3% 10 mph NW 35%
7 PM 33° Clear 19% 10 mph NNW 35%
8 PM 31° Clear 20% 8 mph NNW 49%
9 PM 28° Mostly Clear 20% 8 mph N 64%
10 PM 26° Partly Cloudy 35% 10 mph NNE 79%
11 PM 24° Partly Cloudy 20% 9 mph NNE 84%
12 AM 23° Partly Cloudy 17% 10 mph NNE 87%
1 AM 22° Mostly Cloudy 5% 9 mph NNE 88%
2 AM 21° Mostly Cloudy 6% 9 mph NNE 89%
3 AM 21° Mostly Cloudy 3% 8 mph NNE 89%
4 AM 20° Partly Cloudy 3% 8 mph NNE 89%
5 AM 18° Partly Cloudy 3% 8 mph NNE 84%
6 AM 17° Partly Cloudy 3% 8 mph NNE 80%
7 AM 17° Partly Cloudy 4% 8 mph NNE 77%
8 AM 19° Mostly Clear 3% 9 mph NNE 70%
9 AM 22° Mostly Clear 3% 9 mph NNE 61%
10 AM 23° Clear 3% 9 mph NE 53%
11 AM 24° Clear 3% 9 mph NE 48%
12 PM 26° Clear 3% 9 mph NE 42%
1 PM 28° Clear 3% 9 mph NE 38%
2 PM 28° Clear 3% 8 mph NE 38%
3 PM 28° Clear 3% 8 mph NE 38%
4 PM 28° Clear 3% 7 mph NE 37%
5 PM 31° Clear 3% 6 mph ENE 41%
15-Day Forecast
Today
7/27
Mostly Clear
20%
17°
34°
Tue
7/28
Mostly Clear
17%
17°
31°
Wed
7/29
Mostly Clear
12%
16°
33°
Thu
7/30
Fog
55%
19°
38°
Fri
7/31
Rain
82%
18°
33°
Sat
8/1
Drizzle
68%
16°
35°
Sun
8/2
Mostly Clear
32%
15°
33°
Mon
8/3
Partly Cloudy
12%
14°
35°
Tue
8/4
Clear
35%
18°
38°
Wed
8/5
Mostly Clear
35%
16°
35°
Thu
8/6
Drizzle
60%
13°
35°
Fri
8/7
Drizzle
60%
17°
35°
Sat
8/8
Rain
90%
16°
33°
Sun
8/9
Drizzle
60%
17°
34°
Mon
8/10
Drizzle
60%
16°
34°
51
Moderate
U.S. Air Quality Index · Dominant: O3
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
48 AQI 8.7 µg/m³
O3
Ground-level ozone
Dominant
51 AQI 55 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 51 Moderate 51 48
Wed 34 Good 33 34
Thu 56 Moderate 37 56
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 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1454 J/kg
MLCAPE1177 J/kg
MUCAPE1454 J/kg
SBCIN-124 J/kg
MLCIN0 J/kg
Lifted Index-4.9
Kinematics
0–6 km Shear49 kt
0–1 km Shear12 kt
Eff. Shear47 kt
0–1 km SRH-39
0–3 km SRH-71
Eff. SRH-71
Storm Motion280° @ 33 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index24.8
Thermo & Levels
PWAT1.32 in
0–3 km LR7.3 °C/km
700–500 LR6.7 °C/km
Total Totals51.4
LCL798 hPa
LFC739 hPa
EL219 hPa
Freezing Lvl15,791 ft