Today | Weather | Thursday, June 25, 2026

Active Weather Warnings

Flood Warning

Weather in Peoria, Illinois

03:38 PM

Now

81° F

Feels Like 84°

Precipitation 7 %

Wind 6 mph

UV Index (0 - 11+) 5

Humidity 53 %

Today

Day 82°

Night 66°

Precipitation 25 %

Wind 5 mph

UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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.

Peoria Weather Forecast Updated

48 minutes ago

Last updated on June 25, 2026 at 2:49 PM

Weather Forecast History

Last Year's Weather on This Day (June 25, 2025)

Day

95°

Night

75°

Wind

6 mph

UV Index

Precipitation

40 %

Air Quality in Peoria

NOW

36 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 2.08 µg/m³

PM₁₀ 2.18 µg/m³

O₃ 0.039 ppm

NO₂ 0.4 ppb

SO₂ 0.2 ppb

CO 0.09 ppm

NH₃ 1.26 µg/m³

NO 0.1 µg/m³

PM_2.5 – 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)

PM_2.5 – 2.08 µg/m³

PM₁₀ – 2.18 µg/m³

O₃ – 75.81 µg/m³

NO₂ – 0.69 µg/m³

SO₂ – 0.54 µg/m³

CO – 99.54 µg/m³

NH₃ – 1.26 µg/m³

NO – 0.1 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Peoria

Severe Immediate Observed

Flood Warning

Flood Warning issued June 25 at 10:19AM CDT by NWS Lincoln IL

Jun 25, 10:19 AM → Jun 26, 2:30 AM

...The Flood Warning is extended for the following rivers in
Illinois...

Illinois River at Henry affecting Marshall and Putnam Counties.

...The Flood Warning continues for the following rivers in
Illinois...

Illinois River at Peoria affecting Peoria, Woodford and Tazewell
Counties.

Illinois River at Beardstown affecting Cass, Schuyler, Morgan and
Brown Counties.

Illinois River near Havana affecting Cass, Fulton and Mason
Counties.

.The following forecasts are based on observed precipitation, soil
moisture conditions, and forecast precipitation.

WHAT: Minor flooding is occurring and minor flooding is forecast.

WHERE: Illinois River at Peoria.

WHEN: Until further notice.

ADDITIONAL DETAILS:
- At 9:45 AM CDT Thursday the stage was 20.6 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:45 AM CDT Thursday was 20.7 feet.
- Forecast...The river is expected to fall to 18.1 feet
Thursday, July 02.
- Flood stage is 18.0 feet.
- http://www.weather.gov/safety/flood

+ Read More

Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.

Updated: Jun 25, 2:49 PM Source: NWS Alert