Lafayette, Indiana

Last updated: 11:04 PM CDT  ·  Refresh
21°C
Feels like 18°
Partly Cloudy
▲ 21°  /  ▼ 9°
Wind
14 mph S
Humidity
71%
Dew Point
15°
Pressure
29.17 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
57%
Sunrise
7:19 AM
Sunset
5:40 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette is currently partly cloudy at 21°C. Precipitation is likely — peak probability 61% around 5 AM. Sunrise: 7:19AM · Sunset: 5:40PM.

Alerts

No active alerts for this location.
35 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
8%
1 AM
21°
25%
2 AM
20°
32%
3 AM
19°
45%
4 AM
19°
52%
5 AM
17°
60%
6 AM
17°
33%
7 AM
17°
22%
8 AM
17°
29%
9 AM
17°
20%
10 AM
17°
4%
11 AM
18°
12%
12 PM
18°
4%
1 PM
19°
5%
2 PM
19°
5%
3 PM
18°
1%
4 PM
17°
0%
5 PM
18°
0%
6 PM
17°
0%
7 PM
16°
0%
8 PM
16°
0%
9 PM
14°
0%
10 PM
14°
0%
11 PM
13°
0%
7-Day Forecast
Today
21° 9°
Mostly Cloudy with a 45% chance of rain.
Thu
19° 9°
Partly Cloudy.
Fri
16° 4°
Mostly Cloudy.
Sat
14° 3°
Partly Cloudy.
Sun
16° 2°
Mostly Clear.
Mon
19° 2°
Clear.
Tue
21° 4°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 21° Partly Cloudy 8% 14 mph S 71%
1 AM 21° Mostly Cloudy 25% 15 mph S 75%
2 AM 20° Mostly Cloudy 32% 15 mph S 79%
3 AM 19° Thunderstorm 45% 15 mph S 88%
4 AM 19° Rain 52% 13 mph S 91%
5 AM 17° Rain 60% 12 mph S 92%
6 AM 17° Rain 33% 12 mph S 94%
7 AM 17° Overcast 22% 12 mph S 94%
8 AM 17° Mostly Cloudy 29% 14 mph S 94%
9 AM 17° Mostly Cloudy 20% 13 mph S 93%
10 AM 17° Mostly Cloudy 4% 13 mph SSW 92%
11 AM 18° Mostly Cloudy 12% 14 mph SSW 87%
12 PM 18° Mostly Cloudy 4% 14 mph SW 82%
1 PM 19° Mostly Cloudy 5% 15 mph SW 80%
2 PM 19° Overcast 5% 14 mph SW 78%
3 PM 18° Overcast 1% 14 mph SW 79%
4 PM 17° Overcast 0% 14 mph WSW 80%
5 PM 18° Mostly Cloudy 0% 12 mph WSW 78%
6 PM 17° Mostly Cloudy 0% 11 mph WSW 80%
7 PM 16° Overcast 0% 11 mph WSW 84%
8 PM 16° Overcast 0% 11 mph WSW 85%
9 PM 14° Mostly Cloudy 0% 10 mph WSW 86%
10 PM 14° Mostly Cloudy 0% 10 mph WSW 86%
11 PM 13° Mostly Cloudy 0% 8 mph WSW 87%
15-Day Forecast
Today
11/4
Mostly Cloudy
45%
9°
21°
Thu
11/5
Partly Cloudy
3%
9°
19°
Fri
11/6
Mostly Cloudy
14%
4°
16°
Sat
11/7
Partly Cloudy
4%
3°
14°
Sun
11/8
Mostly Clear
6%
2°
16°
Mon
11/9
Clear
3%
2°
19°
Tue
11/10
Clear
1%
4°
21°
Wed
11/11
Partly Cloudy
3%
4°
21°
Thu
11/12
Partly Cloudy
4%
4°
21°
Fri
11/13
Partly Cloudy
8%
3°
21°
Sat
11/14
Drizzle
7%
5°
22°
Sun
11/15
Drizzle
84%
7°
18°
Mon
11/16
Drizzle
83%
8°
19°
Tue
11/17
Drizzle
74%
7°
18°
Wed
11/18
Clear
71%
7°
18°
35
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
20 AQI 3.6 µg/m³
O3
Ground-level ozone
Dominant
35 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 35 Good 35 20
Thu 37 Good 37 17
Fri 32 Good 32 25
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Nov 4, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE5 J/kg
MUCAPE21 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index2.3
Kinematics
0–6 km Shear44 kt
0–1 km Shear33 kt
Eff. Shear—
0–1 km SRH241
0–3 km SRH225
Eff. SRH—
Storm Motion211° @ 40 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index24.9
Thermo & Levels
PWAT1.36 in
0–3 km LR5.6 °C/km
700–500 LR5.5 °C/km
Total Totals43.6
LCL914 hPa
LFC—
EL—
Freezing Lvl12,415 ft