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Today | Weather | Wednesday, December 24, 2025
Active Weather Warnings

Weather in Chico, California

08:20 AM
Now
Rainy Weather
55° F
Feels Like 45°
Precipitation 56 %
Wind 15 mph
UV Index (0 - 11+) 0
Humidity 100 %
Today
Rainy Weather
Day 57°
Night 52°
Precipitation 85 %
Wind 12 mph
UV Index (0 - 11+) 1

Chico Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 24, 2024)
Rainy Weather

Day

54°

Night

41°

Wind

9 mph

UV Index

1

Precipitation

100 %

Air Quality in Chico

NOW
33 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.56 µg/m³
PM10 3.59 µg/m³
O3 0.036 ppm
NO2 1 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0.13 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 – 1.56 µg/m³
PM10 – 3.59 µg/m³
O3 – 70.96 µg/m³
NO2 – 1.88 µg/m³
SO2 – 0.24 µg/m³
CO – 109.6 µg/m³
NH3 – 0.13 µg/m³
NO – 0 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Chico

Severe Expected Likely

High Wind Warning

High Wind Warning issued December 23 at 1:33PM PST until December 25 at 4:00PM PST by NWS Sacramento CA
Dec 23, 4:00 PM → Dec 25, 4:00 PM
WHAT: South winds 25 to 35 mph with gusts up to 60 mph expected.

WHERE: Carquinez Strait and Delta, Sacramento Valley, Motherlode,
Northeast Foothills, and Northern San Joaquin Valley.

WHEN: Until 4 PM PST Thursday.

IMPACTS: Strong winds and saturated soils could blow down trees
and power lines resulting in widespread power outages. Strong
winds will cause impacts to loose and unsecured items, including
temporary structures and holiday decorations. Difficult travel
conditions are expected, especially for high profile vehicles.

ADDITIONAL DETAILS: Two periods of strong wind gusts expected
tonight into Wednesday morning and again Wednesday night into
Thursday, with a lull during the day on Wednesday.
+ Read More
Watch for falling debris and tree limbs. Use caution if you must drive. Take time now to prepare for potential power outages.
Updated: Dec 24, 7:09 AM Source: NWS Alert
Severe Future Possible

Flood Watch

Flood Watch issued December 23 at 11:34AM PST until December 26 at 4:00PM PST by NWS Sacramento CA
Dec 23, 11:34 AM → Dec 26, 4:00 PM
WHAT: Flooding caused by excessive rainfall continues to be
possible.

WHERE: A portion of northern California, including the following
areas, the Sacramento Valley, northern San Joaquin Valley, Delta
region, Sierra Nevada and adjacent foothills, and Coastal Range.

WHEN: Through Friday afternoon.

IMPACTS: Excessive runoff will result in rises along area rivers,
creeks, streams. Small streams and creeks may rise out of their
banks. Flooding may occur in low-lying, poor drainage, and urban
areas. Mudslides and rockslides may occur in mountain and foothill
areas.

ADDITIONAL DETAILS:
- Periods of moderate to heavy rain are forecast the week of
Christmas. Debris flows are not expected over recent burn
scars in northern California, but do anticipate enhanced
runoff in/below scars.
- http://www.weather.gov/safety/flood
+ Read More
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Updated: Dec 24, 7:09 AM Source: NWS Alert
Severe Future Possible

High Wind Watch

High Wind Watch issued December 22 at 10:25AM PST until December 26 at 4:00PM PST by NWS Sacramento CA
Dec 23, 4:00 PM → Dec 26, 4:00 PM
WHAT: South winds 25 to 35 mph with gusts up to 60 mph possible.

WHERE: Carquinez Strait and Delta, Sacramento Valley, Motherlode,
Northeast Foothills, and Northern San Joaquin Valley.

WHEN: From Tuesday afternoon through Friday afternoon.

IMPACTS: Strong winds and saturated soils could blow down trees
and power lines resulting in widespread power outages. Strong
winds may cause impacts to unsecured items, including temporary
structures and holiday decorations. Travel could be difficult,
especially for high profile vehicles.

ADDITIONAL DETAILS: Strongest wind gusts expected in the northern
Sacramento Valley and adjacent foothills on Wednesday.
+ Read More
Monitor the latest forecasts and warnings for updates.
Updated: Dec 23, 3:37 AM Source: NWS Alert