Today | Weather | Wednesday, August 12, 2026

Active Weather Warnings

Dense Fog Advisory

Weather in St. Clair Shores, Michigan

07:53 AM

Now

72° F

Feels Like 72°

Precipitation 51 %

Wind 7 mph

UV Index (0 - 11+) 0

Humidity 91 %

Today

Day 84°

Night 66°

Precipitation 55 %

Wind 7 mph

UV Index (0 - 11+) 3

St. Clair Shores Weather Forecast Updated

Last updated on August 12, 2026 at 6:45 AM

Air Quality in St. Clair Shores

NOW

18 AQI

Good air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 4.25 µg/m³

PM₁₀ 4.78 µg/m³

O₃ 0.008 ppm

NO₂ 3.4 ppb

SO₂ 0.3 ppb

CO 0.14 ppm

NH₃ 0.45 µg/m³

NO 0.11 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 – 4.25 µg/m³

PM₁₀ – 4.78 µg/m³

O₃ – 15.77 µg/m³

NO₂ – 6.37 µg/m³

SO₂ – 0.7 µg/m³

CO – 159.98 µg/m³

NH₃ – 0.45 µg/m³

NO – 0.11 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for St. Clair Shores

Moderate Expected Likely

Dense Fog Advisory

Dense Fog Advisory issued August 12 at 4:02AM EDT until August 12 at 8:00AM EDT by NWS Detroit/Pontiac MI

Aug 12, 4:02 AM → Aug 12, 8:00 AM

WHAT: Visibility one quarter mile or less in dense fog.

WHERE: Genesee, Lapeer, St. Clair, Livingston, Oakland,
Macomb, Washtenaw, Wayne, Lenawee and Monroe Counties.

WHEN: Until 8 AM EDT this morning.

IMPACTS: Hazardous driving conditions due to low visibility.

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If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Updated: Aug 12, 6:45 AM Source: NWS Alert