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

Lafayette County, Wisconsin, United States

Last updated: 9:10 PM CDT  ·  Refresh
20°C
Feels like 21°
Clear
▲ 26°  /  ▼ 14°
Wind
6 mph WNW
Humidity
86%
Dew Point
19°
Pressure
28.93 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
4%
Sunrise
6:13 AM
Sunset
7:52 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Lafayette County is currently clear at 20°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 884 J/kg) — isolated convective development possible. Sunrise: 6:13AM · Sunset: 7:52PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
Severe Thunderstorm Watch
Expires 10:00 PM
31 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
3%
10 PM
20°
14%
11 PM
19°
14%
12 AM
18°
14%
1 AM
18°
3%
2 AM
17°
3%
3 AM
16°
3%
4 AM
16°
4%
5 AM
14°
4%
6 AM
14°
5%
7 AM
14°
5%
8 AM
17°
5%
9 AM
20°
5%
10 AM
22°
3%
11 AM
23°
3%
12 PM
24°
3%
1 PM
25°
3%
2 PM
25°
3%
3 PM
25°
3%
4 PM
26°
3%
5 PM
24°
3%
6 PM
24°
3%
7 PM
23°
3%
8 PM
21°
3%
7-Day Forecast
Tonight
26° 14°
Clear.
Sat
26° 14°
Clear.
Sun
23° 11°
Mostly Clear.
Mon
22° 10°
Mostly Cloudy with a 44% chance of rain.
Tue
24° 12°
Clear with a 51% chance of rain.
Wed
28° 16°
Rain, 51% chance.
Thu
26° 15°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 20° Clear 3% 6 mph WNW 86%
10 PM 20° Clear 14% 8 mph NW 83%
11 PM 19° Clear 14% 7 mph NW 84%
12 AM 18° Clear 14% 7 mph NW 86%
1 AM 18° Clear 3% 6 mph NW 86%
2 AM 17° Clear 3% 6 mph NW 87%
3 AM 16° Clear 3% 6 mph NW 88%
4 AM 16° Clear 4% 6 mph NW 89%
5 AM 14° Clear 4% 6 mph WNW 89%
6 AM 14° Clear 5% 6 mph WNW 89%
7 AM 14° Clear 5% 6 mph WNW 88%
8 AM 17° Clear 5% 8 mph NW 82%
9 AM 20° Clear 5% 9 mph NW 76%
10 AM 22° Clear 3% 11 mph NW 71%
11 AM 23° Clear 3% 12 mph NW 66%
12 PM 24° Clear 3% 14 mph NW 61%
1 PM 25° Clear 3% 15 mph NW 56%
2 PM 25° Clear 3% 15 mph NW 55%
3 PM 25° Clear 3% 14 mph NW 55%
4 PM 26° Clear 3% 14 mph NW 56%
5 PM 24° Clear 3% 13 mph NW 59%
6 PM 24° Clear 3% 12 mph NW 62%
7 PM 23° Clear 3% 11 mph NW 62%
8 PM 21° Clear 3% 10 mph NW 64%
15-Day Forecast
Today
8/21
Clear
3%
14°
26°
Sat
8/22
Clear
14%
14°
26°
Sun
8/23
Mostly Clear
3%
11°
23°
Mon
8/24
Mostly Cloudy
44%
10°
22°
Tue
8/25
Clear
51%
12°
24°
Wed
8/26
Rain
51%
16°
28°
Thu
8/27
Clear
17%
15°
26°
Fri
8/28
Clear
17%
16°
26°
Sat
8/29
Drizzle
68%
15°
27°
Sun
8/30
Thunderstorm
68%
18°
29°
Mon
8/31
Drizzle
60%
16°
28°
Tue
9/1
Drizzle
60%
17°
28°
Wed
9/2
Drizzle
60%
17°
27°
Thu
9/3
Drizzle
60%
16°
26°
Fri
9/4
Drizzle
60%
16°
27°
31
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
26 AQI 4.7 µg/m³
O3
Ground-level ozone
Dominant
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 31 Good 31 26
Sun 26 Good 26 18
Mon 26 Good 26 8
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 Fri Aug 21, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE722 J/kg
MLCAPE1088 J/kg
MUCAPE2079 J/kg
SBCIN-211 J/kg
MLCIN-81 J/kg
Lifted Index-1.6
Kinematics
0–6 km Shear22 kt
0–1 km Shear15 kt
Eff. Shear22 kt
0–1 km SRH56
0–3 km SRH73
Eff. SRH73
Storm Motion342° @ 23 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.7
K-Index25.7
Thermo & Levels
PWAT1.23 in
0–3 km LR5.2 °C/km
700–500 LR5.8 °C/km
Total Totals47.6
LCL957 hPa
LFC794 hPa
EL244 hPa
Freezing Lvl12,844 ft