Severe Thunderstorm Watch 7:00 PM 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

Fond du Lac County, Wisconsin, United States

Last updated: 6:03 PM CDT  ·  Refresh
29°C
Feels like 33°
Mostly Clear
▲ 31°  /  ▼ 17°
Wind
10 mph SSW
Humidity
73%
Dew Point
24°
Pressure
28.73 inHg
Visibility
10 mi
UV Index
5.0
Cloud Cover
14%
Sunrise
5:37 AM
Sunset
8:22 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fond du Lac County is currently mostly clear at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2993 J/kg) — isolated convective development possible. Sunrise: 5:37AM · Sunset: 8:22PM.

Alerts

Severe Thunderstorm Watch
Expires 7:00 PM
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
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
17%
7 PM
29°
21%
8 PM
27°
21%
9 PM
26°
23%
10 PM
24°
38%
11 PM
24°
21%
12 AM
23°
29%
1 AM
22°
5%
2 AM
21°
6%
3 AM
21°
3%
4 AM
21°
3%
5 AM
18°
3%
6 AM
18°
3%
7 AM
18°
3%
8 AM
19°
3%
9 AM
21°
3%
10 AM
22°
3%
11 AM
23°
3%
12 PM
24°
3%
1 PM
23°
3%
2 PM
23°
3%
3 PM
23°
3%
4 PM
23°
3%
5 PM
27°
3%
7-Day Forecast
Tonight
31° 17°
Mostly Clear with a 23% chance of rain.
Tue
27° 17°
Mostly Clear with a 29% chance of rain.
Wed
31° 16°
Clear with a 25% chance of rain.
Thu
33° 18°
Mostly Clear with a 58% chance of rain.
Fri
28° 18°
Mostly Cloudy with a 58% chance of rain.
Sat
29° 16°
Drizzle, 52% chance.
Sun
29° 15°
Mostly Cloudy with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Clear 17% 10 mph SSW 73%
7 PM 29° Clear 21% 9 mph W 71%
8 PM 27° Clear 21% 7 mph NW 78%
9 PM 26° Partly Cloudy 23% 7 mph N 85%
10 PM 24° Partly Cloudy 38% 9 mph N 91%
11 PM 24° Mostly Cloudy 21% 10 mph N 92%
12 AM 23° Mostly Cloudy 29% 11 mph NNE 92%
1 AM 22° Mostly Cloudy 5% 10 mph NNE 94%
2 AM 21° Mostly Cloudy 6% 11 mph NNE 93%
3 AM 21° Partly Cloudy 3% 10 mph N 92%
4 AM 21° Partly Cloudy 3% 10 mph N 91%
5 AM 18° Mostly Cloudy 3% 10 mph N 88%
6 AM 18° Partly Cloudy 3% 9 mph N 86%
7 AM 18° Mostly Clear 3% 9 mph N 82%
8 AM 19° Mostly Clear 3% 10 mph N 75%
9 AM 21° Mostly Clear 3% 11 mph NNE 68%
10 AM 22° Mostly Clear 3% 12 mph NNE 62%
11 AM 23° Clear 3% 12 mph NNE 56%
12 PM 24° Clear 3% 12 mph NNE 51%
1 PM 23° Clear 3% 12 mph NNE 46%
2 PM 23° Clear 3% 11 mph NNE 46%
3 PM 23° Clear 3% 11 mph NNE 44%
4 PM 23° Clear 3% 10 mph NNE 44%
5 PM 27° Clear 3% 8 mph NNE 48%
15-Day Forecast
Today
7/27
Mostly Clear
23%
17°
31°
Tue
7/28
Mostly Clear
29%
17°
27°
Wed
7/29
Clear
25%
16°
31°
Thu
7/30
Mostly Clear
58%
18°
33°
Fri
7/31
Mostly Cloudy
58%
18°
28°
Sat
8/1
Drizzle
52%
16°
29°
Sun
8/2
Mostly Cloudy
21%
15°
29°
Mon
8/3
Clear
10%
14°
31°
Tue
8/4
Clear
39%
19°
33°
Wed
8/5
Clear
35%
17°
32°
Thu
8/6
Drizzle
67%
16°
31°
Fri
8/7
Drizzle
60%
17°
31°
Sat
8/8
Drizzle
60%
17°
29°
Sun
8/9
Drizzle
60%
17°
30°
Mon
8/10
Drizzle
60%
16°
30°
53
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
53 AQI 10.1 µg/m³
O3
Ground-level ozone
48 AQI 53 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 53 Moderate 48 53
Wed 39 Good 33 39
Thu 57 Moderate 43 57
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
SBCAPE2896 J/kg
MLCAPE3218 J/kg
MUCAPE3578 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.8
Kinematics
0–6 km Shear60 kt
0–1 km Shear15 kt
Eff. Shear60 kt
0–1 km SRH62
0–3 km SRH15
Eff. SRH15
Storm Motion275° @ 37 kt
0–1 km EHI1.1
Composite Parameters
Sig. Tornado1.6
STP (eff)0.4
Supercell1.6
K-Index40.1
Thermo & Levels
PWAT1.84 in
0–3 km LR6.3 °C/km
700–500 LR6.1 °C/km
Total Totals55.2
LCL906 hPa
LFC973 hPa
EL165 hPa
Freezing Lvl15,640 ft