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

Trempealeau County, Wisconsin, United States

Last updated: 5:50 PM CDT  ·  Refresh
23°C
Feels like 27°
Overcast
▲ 28°  /  ▼ 19°
Wind
4 mph SW
Humidity
89%
Dew Point
21°
Pressure
28.92 inHg
Visibility
4 mi
UV Index
2.8
Cloud Cover
89%
Sunrise
5:30 AM
Sunset
8:50 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Trempealeau County is currently overcast at 23°C. Precipitation is likely — peak probability 84% around 5 PM. Atmospheric instability is elevated (CAPE up to 1467 J/kg) — isolated convective development possible. Sunrise: 5:30AM · Sunset: 8:50PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
Severe Thunderstorm Watch
Expires 10:00 PM
38 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
83%
6 PM
23°
83%
7 PM
23°
83%
8 PM
22°
62%
9 PM
21°
59%
10 PM
21°
58%
11 PM
21°
50%
12 AM
21°
46%
1 AM
20°
33%
2 AM
20°
33%
3 AM
20°
30%
4 AM
20°
30%
5 AM
19°
35%
6 AM
19°
35%
7 AM
20°
23%
8 AM
21°
24%
9 AM
21°
24%
10 AM
22°
24%
11 AM
23°
24%
12 PM
24°
24%
1 PM
25°
25%
2 PM
25°
25%
3 PM
25°
25%
4 PM
25°
25%
7-Day Forecast
Today
28° 19°
Overcast with a 83% chance of rain.
Thu
27° 19°
Fog with a 35% chance of rain.
Fri
28° 18°
Fog with a 20% chance of rain.
Sat
29° 18°
Mostly Clear.
Sun
30° 19°
Clear.
Mon
31° 19°
Clear.
Tue
32° 21°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Overcast 83% 4 mph SW 89%
6 PM 23° Rain 83% 4 mph SSW 93%
7 PM 23° Overcast 83% 5 mph SSW 96%
8 PM 22° Overcast 62% 5 mph SSW 97%
9 PM 21° Mostly Cloudy 59% 4 mph SSW 97%
10 PM 21° Overcast 58% 3 mph SSW 98%
11 PM 21° Overcast 50% 3 mph SSW 98%
12 AM 21° Overcast 46% 3 mph SSW 98%
1 AM 20° Overcast 33% 3 mph SSW 98%
2 AM 20° Overcast 33% 4 mph SW 99%
3 AM 20° Mostly Cloudy 30% 4 mph WSW 99%
4 AM 20° Mostly Cloudy 30% 3 mph WNW 99%
5 AM 19° Fog 35% 3 mph NW 98%
6 AM 19° Rain 35% 3 mph NNW 97%
7 AM 20° Rain 23% 3 mph NNW 96%
8 AM 21° Rain 24% 4 mph NNW 94%
9 AM 21° Fog 24% 5 mph N 92%
10 AM 22° Mostly Cloudy 24% 5 mph N 88%
11 AM 23° Mostly Cloudy 24% 5 mph N 83%
12 PM 24° Partly Cloudy 24% 5 mph N 80%
1 PM 25° Rain 25% 5 mph N 78%
2 PM 25° Rain 25% 5 mph N 76%
3 PM 25° Rain 25% 5 mph N 75%
4 PM 25° Rain 25% 5 mph N 75%
15-Day Forecast
Today
7/8
Overcast
83%
19°
28°
Thu
7/9
Fog
35%
19°
27°
Fri
7/10
Fog
20%
18°
28°
Sat
7/11
Mostly Clear
17%
18°
29°
Sun
7/12
Clear
19%
19°
30°
Mon
7/13
Clear
3%
19°
31°
Tue
7/14
Mostly Clear
19%
21°
32°
Wed
7/15
Partly Cloudy
60%
19°
31°
Thu
7/16
Drizzle
60%
19°
30°
Fri
7/17
Drizzle
60%
19°
30°
Sat
7/18
Drizzle
60%
13°
27°
Sun
7/19
Drizzle
60%
18°
26°
Mon
7/20
Drizzle
60%
17°
26°
Tue
7/21
Drizzle
60%
17°
25°
Wed
7/22
Drizzle
60%
17°
25°
38
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
38 AQI 6.9 µg/m³
O3
Ground-level ozone
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 38 Good 36 38
Fri 35 Good 32 35
Sat 31 Good 31 30
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, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1089 J/kg
MLCAPE1285 J/kg
MUCAPE1818 J/kg
SBCIN-53 J/kg
MLCIN0 J/kg
Lifted Index-3.8
Kinematics
0–6 km Shear27 kt
0–1 km Shear14 kt
Eff. Shear27 kt
0–1 km SRH13
0–3 km SRH-25
Eff. SRH-25
Storm Motion237° @ 29 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index34.2
Thermo & Levels
PWAT1.82 in
0–3 km LR5.3 °C/km
700–500 LR6.1 °C/km
Total Totals46.9
LCL945 hPa
LFC784 hPa
EL211 hPa
Freezing Lvl13,556 ft