Lafayette, Indiana

Last updated: 11:41 PM CDT  ·  Refresh
21°C
Feels like 18°
Mostly Cloudy
▲ 21°  /  ▼ 9°
Wind
14 mph S
Humidity
73%
Dew Point
16°
Pressure
29.14 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
84%
Sunrise
7:19 AM
Sunset
5:40 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lafayette is currently mostly cloudy at 21°C. Precipitation is likely — peak probability 60% around 4 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°
19%
1 AM
20°
29%
2 AM
19°
40%
3 AM
19°
49%
4 AM
18°
59%
5 AM
17°
43%
6 AM
17°
25%
7 AM
17°
27%
8 AM
17°
24%
9 AM
17°
9%
10 AM
17°
10%
11 AM
18°
6%
12 PM
18°
4%
1 PM
19°
5%
2 PM
18°
2%
3 PM
18°
1%
4 PM
17°
0%
5 PM
17°
0%
6 PM
16°
0%
7 PM
15°
0%
8 PM
15°
0%
9 PM
14°
0%
10 PM
14°
0%
11 PM
14°
0%
7-Day Forecast
Today
21° 9°
Overcast with a 49% chance of rain.
Thu
19° 9°
Partly Cloudy.
Fri
14° 4°
Mostly Cloudy.
Sat
14° 3°
Partly Cloudy.
Sun
17° 2°
Mostly Clear.
Mon
19° 2°
Clear.
Tue
20° 4°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Cloudy 19% 14 mph S 73%
1 AM 20° Overcast 29% 16 mph S 77%
2 AM 19° Overcast 40% 16 mph S 81%
3 AM 19° Rain 49% 15 mph S 87%
4 AM 18° Rain 59% 14 mph S 90%
5 AM 17° Rain 43% 13 mph S 91%
6 AM 17° Rain 25% 12 mph S 92%
7 AM 17° Overcast 27% 11 mph S 93%
8 AM 17° Overcast 24% 12 mph S 93%
9 AM 17° Overcast 9% 12 mph S 92%
10 AM 17° Overcast 10% 12 mph SSW 90%
11 AM 18° Mostly Cloudy 6% 13 mph SW 85%
12 PM 18° Mostly Cloudy 4% 15 mph SW 81%
1 PM 19° Overcast 5% 15 mph SW 77%
2 PM 18° Mostly Cloudy 2% 14 mph WSW 76%
3 PM 18° Overcast 1% 14 mph WSW 76%
4 PM 17° Mostly Cloudy 0% 12 mph WSW 75%
5 PM 17° Mostly Cloudy 0% 12 mph WSW 76%
6 PM 16° Overcast 0% 11 mph WSW 79%
7 PM 15° Overcast 0% 10 mph WSW 81%
8 PM 15° Mostly Cloudy 0% 10 mph WSW 82%
9 PM 14° Mostly Cloudy 0% 10 mph WSW 82%
10 PM 14° Mostly Cloudy 0% 10 mph WSW 82%
11 PM 14° Mostly Cloudy 0% 10 mph WSW 82%
15-Day Forecast
Today
11/4
Overcast
49%
9°
21°
Thu
11/5
Partly Cloudy
3%
9°
19°
Fri
11/6
Mostly Cloudy
15%
4°
14°
Sat
11/7
Partly Cloudy
4%
3°
14°
Sun
11/8
Mostly Clear
6%
2°
17°
Mon
11/9
Clear
3%
2°
19°
Tue
11/10
Clear
1%
4°
20°
Wed
11/11
Partly Cloudy
3%
4°
19°
Thu
11/12
Partly Cloudy
4%
4°
19°
Fri
11/13
Partly Cloudy
8%
3°
19°
Sat
11/14
Drizzle
7%
5°
21°
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
72%
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, 04:00'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
MLCAPE4 J/kg
MUCAPE5 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index2.2
Kinematics
0–6 km Shear44 kt
0–1 km Shear33 kt
Eff. Shear—
0–1 km SRH256
0–3 km SRH250
Eff. SRH—
Storm Motion211° @ 40 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index25.6
Thermo & Levels
PWAT1.33 in
0–3 km LR5.7 °C/km
700–500 LR5.4 °C/km
Total Totals43.1
LCL918 hPa
LFC—
EL—
Freezing Lvl12,001 ft