Today | Weather | Sunday, October 12, 2025

Active Weather Warnings

Weather in Scottsdale, Arizona

08:57 AM

Now

72° F

Feels Like 72°

Precipitation 79 %

Wind 6 mph

UV Index (0 - 11+) 5

Humidity 89 %

Today

Day 84°

Night 68°

Precipitation 95 %

Wind 6 mph

UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Scottsdale Weather Forecast Updated

25 minutes ago

Last updated on October 12, 2025 8:31 AM

Weather Forecast History

Last Year's Weather on This Day (October 12, 2024)

Day

102°

Night

72°

Wind

4 mph

Precipitation

Air Quality in Scottsdale

NOW

23 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 3.06 µg/m³

PM₁₀ 9.52 µg/m³

O₃ 0.025 ppm

NO₂ 0.2 ppb

SO₂ 0 ppb

CO 0.09 ppm

NH₃ 0.23 µg/m³

NO 0.01 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 – 3.06 µg/m³

PM₁₀ – 9.52 µg/m³

O₃ – 48.69 µg/m³

NO₂ – 0.44 µg/m³

SO₂ – 0.03 µg/m³

CO – 102.85 µg/m³

NH₃ – 0.23 µg/m³

NO – 0.01 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Scottsdale

Severe Immediate Likely

Flash Flood Warning

Flash Flood Warning issued October 12 at 7:46AM MST until October 12 at 11:00AM MST by NWS Phoenix AZ

Oct 12, 8:46 AM → Oct 12, 12:00 PM

FFWPSR

The National Weather Service in Phoenix has issued a

* Flash Flood Warning for...
Maricopa County in south central Arizona...

* Until 1100 AM MST.

* At 746 AM MST, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
0.5 and 1 inch of rain has fallen. Flash flooding is ongoing or
expected to begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.

SOURCE...Radar and automated gauges.

IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
Phoenix, Scottsdale, Paradise Valley, Piestewa Peak Park and North
Mountain Park.

This includes the following streams and drainages...
Cave Creek and Indian Bend Wash.

+ Read More

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.

Updated: Oct 12, 9:31 AM Source: NWS Alert

Severe Future Possible

Flood Watch

Flood Watch issued October 12 at 1:29AM MST until October 13 at 12:00AM MST by NWS Phoenix AZ

Oct 12, 2:29 AM → Oct 13, 1:00 AM

WHAT: Flooding caused by excessive rainfall continues to be
possible.

WHERE: A portion of south central Arizona, including the
following areas, the Phoenix metropolitan and surrounding areas.

WHEN: Through this evening.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks.

ADDITIONAL DETAILS:
- Showers and thunderstorm capable of producing high rainfall
rates that can lead to flash flooding. Additional rainfall
totals as high as 1 to 2 inches with locally higher amounts
possible.
- 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: Oct 12, 9:31 AM Source: NWS Alert