Today | Weather | Sunday, August 9, 2026
Active Weather Warnings

Weather in South Bend, Indiana

05:37 PM
Now
Stormy Weather
82° F
Feels Like 81°
Precipitation 66 %
Wind 9 mph
UV Index (0 - 11+) 1
Humidity 65 %
Today
Sunny with a Chance of Thunderstorms
Day 86°
Night 70°
Precipitation 70 %
Wind 7 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

South Bend Weather Forecast Updated

17 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 9, 2025)
Cloudy Night

Day

91°

Night

72°

Wind

8 mph

Precipitation

2 %

Air Quality in South Bend

NOW
42 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 8.19 µg/m³
PM10 8.41 µg/m³
O3 0.045 ppm
NO2 0.6 ppb
SO2 0.5 ppb
CO 0.11 ppm
NH3 0.16 µg/m³
NO 0.08 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)
PM2.58.19 µg/m³
PM108.41 µg/m³
O388.42 µg/m³
NO21.05 µg/m³
SO21.3 µg/m³
CO126.41 µg/m³
NH30.16 µg/m³
NO0.08 µg/m³

Weather Alerts and Warnings for South Bend

Severe Future Possible

Severe Thunderstorm Watch

Severe Thunderstorm Watch issued August 9 at 4:34PM EDT until August 9 at 7:00PM EDT by NWS Northern Indiana
Aug 9, 4:34 PM Aug 9, 7:00 PM
SEVERE THUNDERSTORM WATCH 547 REMAINS VALID UNTIL 7 PM EDT /6 PM
CDT/ THIS EVENING FOR THE FOLLOWING AREAS

IN INDIANA THIS WATCH INCLUDES 7 COUNTIES

IN NORTH CENTRAL INDIANA

ST. JOSEPH

IN NORTHERN INDIANA

DE KALB ELKHART LA PORTE
LAGRANGE NOBLE STEUBEN

IN MICHIGAN THIS WATCH INCLUDES 5 COUNTIES

IN SOUTHWEST MICHIGAN

BERRIEN BRANCH CASS MI
HILLSDALE ST. JOSEPH MI

IN OHIO THIS WATCH INCLUDES 1 COUNTY

IN NORTHWEST OHIO

WILLIAMS

THIS INCLUDES THE CITIES OF ALBION, ANGOLA, AUBURN,
BENTON HARBOR, BENTON HEIGHTS, BRONSON, BRYAN, BUCHANAN,
CASSOPOLIS, COLDWATER, DOWAGIAC, EDGERTON, EDWARDSBURG, ELKHART,
FAIR PLAIN, FREMONT, GARRETT, GOSHEN, GRANGER, HILLSDALE,
JONESVILLE, KENDALLVILLE, LA PORTE, LAGRANGE, LIGONIER,
LITCHFIELD, MARCELLUS, MENDON, MICHIGAN CITY, MISHAWAKA,
MONTPELIER, NAPPANEE, NILES, PAW PAW LAKE, SHIPSHEWANA,
SOUTH BEND, ST. JOSEPH, STURGIS, THREE RIVERS, TOPEKA,
AND WHITE PIGEON.
Updated: Aug 9, 5:19 PM Source: NWS Alert
Minor Expected Likely

Flood Advisory

Flood Advisory issued August 9 at 5:17PM EDT until August 9 at 7:15PM EDT by NWS Northern Indiana
Aug 9, 5:17 PM Aug 9, 7:15 PM
WHAT: Urban and small stream flooding caused by excessive
rainfall is expected.

WHERE: Portions of Indiana, including the following counties, La
Porte and St. Joseph and southwest Michigan, including the
following counties, Berrien and Cass MI.

WHEN: Until 715 PM EDT /615 PM CDT/.

IMPACTS: Flooding in low-lying and poor drainage areas.

ADDITIONAL DETAILS:
- At 516 PM EDT /416 PM CDT/, Doppler radar indicated heavy
rain due to thunderstorms. This will cause urban and small
stream flooding. Between 0.5 and 1.5 inches of rain have
fallen.
- Additional rainfall amounts up to 1 inch are expected over
the area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
South Bend, Mishawaka, Michigan City, La Porte, Niles,
Westville, Buchanan, Georgetown, Trail Creek, Granger, New
Buffalo, New Carlisle, Three Oaks, Edwardsburg, Long Beach,
Roseland, Pottawattamie Park, Shorewood-Tower Hills-Harbert,
Shorewood-Tower Hill and Bertrand.
- http://www.weather.gov/safety/flood
+ Read More
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Updated: Aug 9, 5:19 PM Source: NWS Alert