Today | Weather | Wednesday, May 20, 2026
Active Weather Warnings

Weather in Bloomington, Indiana

05:52 PM
Now
Rainy Weather
61° F
Feels Like 55°
Precipitation 73 %
Wind 8 mph
UV Index (0 - 11+) 0
Humidity 85 %
Today
Rainy Weather
Day 61°
Night 54°
Precipitation 100 %
Wind 8 mph
UV Index (0 - 11+) 2

Bloomington Weather Forecast Updated

Last updated on

Air Quality in Bloomington

NOW
20 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.42 µg/m³
PM10 4.67 µg/m³
O3 0.022 ppm
NO2 2.5 ppb
SO2 0.9 ppb
CO 0.14 ppm
NH3 1.33 µg/m³
NO 0.27 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)
PM2.54.42 µg/m³
PM104.67 µg/m³
O342.72 µg/m³
NO24.64 µg/m³
SO22.38 µg/m³
CO158.99 µg/m³
NH31.33 µg/m³
NO0.27 µg/m³

Weather Alerts and Warnings for Bloomington

Severe Expected Likely

Flood Warning

Flood Warning issued May 20 at 1:01PM EDT until May 20 at 7:00PM EDT by NWS Indianapolis IN
May 20, 1:01 PM May 20, 7:00 PM
WHAT: Flooding caused by excessive rainfall is expected.

WHERE: Brown County in south central Indiana...
Monroe County in south central Indiana...
Northeastern Greene County in southwestern Indiana...
Southeastern Owen County in west central Indiana...

WHEN: Until 700 PM EDT Wednesday.

IMPACTS: Flooding of rivers, creeks, streams, and other low-lying
and flood-prone locations is imminent or occurring. Streams
continue to rise due to excess runoff from earlier rainfall.
Low-water crossings are inundated with water and may not be
passable.

ADDITIONAL DETAILS:
- At 1257 PM EDT, Doppler radar indicated heavy rain due to
thunderstorms. Flooding is ongoing or expected to begin
shortly in the warned area. Between 1 and 2 inches of rain
have fallen today.
- Additional rainfall amounts of 0.25 to 1 inch are possible in
the warned area. Road closures from flooding have been
reported on State Road 45 between Trevlac and Bean Blossom.
- Some locations that will experience flooding include...
Bloomington, Nashville, Ellettsville, Indiana University,
Unionville, Woodville Hills, Whitehall, Smithville, Monroe
Reservoir, Lake Lemon, Yellowwood Lake, Fairfax State
Recreation Area, Harrodsburg, Helmsburg, Elkinsville, Story,
Stone Head and Gnaw Bone.
- http://www.weather.gov/safety/flood
+ Read More
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Updated: May 20, 4:39 PM Source: NWS Alert