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Today | Weather | Sunday, December 14, 2025
Active Weather Warnings

Weather in Peoria, Illinois

07:16 AM
Now
Cloudy Night
-6° F
Feels Like -17°
Precipitation 0 %
Wind 8 mph
Humidity 94 %
Today
Cold Day
Day 7°
Night -6°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 2

Peoria Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 14, 2024)
Rainy Weather

Day

41°

Night

39°

Wind

9 mph

Precipitation

100 %

Air Quality in Peoria

NOW
38 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.6 µg/m³
PM10 1.75 µg/m³
O3 0.041 ppm
NO2 1.5 ppb
SO2 0.3 ppb
CO 0.13 ppm
NH3 1.08 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)
PM2.5 – 1.6 µg/m³
PM10 – 1.75 µg/m³
O3 – 79.94 µg/m³
NO2 – 2.75 µg/m³
SO2 – 0.87 µg/m³
CO – 154.23 µg/m³
NH3 – 1.08 µg/m³
NO – 0 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Peoria

Moderate Expected Likely

Cold Weather Advisory

Cold Weather Advisory issued December 14 at 2:43AM CST until December 15 at 6:00AM CST by NWS Lincoln IL
Dec 14, 2:43 AM → Dec 15, 6:00 AM
WHAT: Very cold wind chills as low as 25 below.

WHERE: Portions of central, east central, and west central
Illinois.

WHEN: Until 6 AM CST Monday.

IMPACTS: The dangerously cold wind chills as low as 25 below zero
could cause frostbite on exposed skin in as little as 30 minutes.
+ Read More
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Updated: Dec 14, 5:42 AM Source: NWS Alert