Today | Weather | Wednesday, August 12, 2026

Active Weather Warnings

Flood Watch

Weather in Carson City, Nevada

04:48 AM

Now

61° F

Feels Like 59°

Precipitation 0 %

Wind 4 mph

Humidity 56 %

Today

Day 90°

Night 57°

Precipitation 55 %

Wind 8 mph

UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

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.

Carson City Weather Forecast Updated

Last updated on August 12, 2026 at 3:08 AM

Weather Forecast History

Last Year's Weather on This Day (August 12, 2025)

Day

99°

Night

61°

Air Quality in Carson City

NOW

52 AQI

Moderate air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 12.92 µg/m³

PM₁₀ 18.63 µg/m³

O₃ 0.030 ppm

NO₂ 2.6 ppb

SO₂ 0.4 ppb

CO 0.11 ppm

NH₃ 3.65 µg/m³

NO 0 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 12.92 µg/m³

PM₁₀ – 18.63 µg/m³

O₃ – 59.33 µg/m³

NO₂ – 4.87 µg/m³

SO₂ – 0.98 µg/m³

CO – 121 µg/m³

NH₃ – 3.65 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Carson City

Severe Future Possible

Flood Watch

Flood Watch issued August 11 at 2:22PM PDT until August 13 at 9:00PM PDT by NWS Reno NV

Aug 12, 2:00 PM → Aug 13, 9:00 PM

WHAT: Flash flooding caused by excessive rainfall continues to be
possible.

WHERE: A portion of western Nevada, including the following area,
Greater Reno-Carson City-Minden Area. This includes the Bug and
Stallion Fires.

WHEN: From Wednesday afternoon through Thursday evening.

IMPACTS: Excessive runoff may result in rock, mud, and debris
flows in and near active fire perimeters, steep terrain, and poorly
drained urban areas.

ADDITIONAL DETAILS:
- Heavy rain from thunderstorms primarily during the afteroon and
evening hours Wednesday and Thursday.
- http://www.weather.gov/safety/flood

Updated: Aug 12, 3:08 AM Source: NWS Alert