Today | Weather | Wednesday, August 12, 2026
Active Weather Warnings

Weather in Lafayette, Indiana

07:49 AM
Now
Foggy Weather
72° F
Feels Like 75°
Precipitation 34 %
Wind 5 mph
UV Index (0 - 11+) 1
Humidity 93 %
Today
Sunny with a Chance of Thunderstorms
Day 84°
Night 70°
Precipitation 98 %
Wind 7 mph
UV Index (0 - 11+) 5

Lafayette Weather Forecast Updated

52 minutes ago
Last updated on

Air Quality in Lafayette

NOW
22 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 5.33 µg/m³
PM10 5.42 µg/m³
O3 0.020 ppm
NO2 1.4 ppb
SO2 0.7 ppb
CO 0.10 ppm
NH3 0.16 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.55.33 µg/m³
PM105.42 µg/m³
O338.75 µg/m³
NO22.7 µg/m³
SO21.92 µg/m³
CO115.57 µg/m³
NH30.16 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Lafayette

Severe Future Possible

Flood Watch

Flood Watch issued August 12 at 5:38AM EDT until August 13 at 12:00AM EDT by NWS Indianapolis IN
Aug 12, 5:38 AM Aug 13, 12:00 AM
WHAT: Flash flooding caused by excessive rainfall continues to be
possible.

WHERE: Much of central Indiana

WHEN: Through this evening.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

ADDITIONAL DETAILS:
- Flash Flooding is ongoing across portions of the watch with
continued and additional flash flooding likely due to
additional storms today.
- http://www.weather.gov/safety/flood
+ Read More
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Updated: Aug 12, 6:57 AM Source: NWS Alert
Severe Expected Likely

Flood Warning

Flood Warning issued August 12 at 6:20AM EDT until August 16 at 11:00PM EDT by NWS Indianapolis IN
Aug 12, 10:28 PM Aug 16, 11:00 PM
...The National Weather Service in Indianapolis IN has issued a
Flood Warning for the following rivers in Indiana...

Tippecanoe River near Delphi.

Tippecanoe River at Oakdale Dam at Lake Freeman near Yeoman.

Wabash River at Lafayette.

.Heavy rainfall since Tuesday afternoon has led to rapid rises along
the Tippecanoe River and Wabash River near Lafayette. Flooding is
expected to begin shortly.

WHAT: Minor flooding is forecast.

WHERE: Wabash River at Lafayette.

WHEN: From this evening to late Sunday evening.

IMPACTS: At 14.9 feet, Lowland flooding develops. High water
approaches river cabins near Davis Ferry Road. Water covers some
spots on low county roads. The lower end of Tapawingo Park in West
Lafayette begins to flood, along with the Heritage Trail.

ADDITIONAL DETAILS:
- At 5:30 AM EDT Wednesday the stage was 5.6 feet.
- Forecast...The river is expected to rise above flood stage
late this evening to a crest of 13.9 feet tomorrow evening.
It will then fall below flood stage late Sunday morning.
- Flood stage is 11.0 feet.
- http://www.weather.gov/safety/flood
+ Read More
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/ind. The next statement should be issued this evening by around 930 PM EDT.
Updated: Aug 12, 6:57 AM Source: NWS Alert