Today | Weather | Tuesday, March 17, 2026

Active Weather Warnings

Winter Weather Advisory

Weather in Grand Rapids, Michigan

03:23 AM

Now

18° F

Feels Like -2°

Precipitation 49 %

Wind 16 mph

Humidity 73 %

Today

Day 25°

Night 19°

Precipitation 60 %

Wind 15 mph

UV Index (0 - 11+) 1

FROST FORECAST

Overnight Frost 12 AM – 9 AM

Tomorrow Morning Frost 12 AM – 9 AM

Grand Rapids Weather Forecast Updated

42 minutes ago

Last updated on March 17, 2026 at 2:41 AM

Weather Forecast History

Last Year's Weather on This Day (March 17, 2025)

Day

50°

Night

37°

Wind

8 mph

UV Index

Precipitation

25 %

Air Quality in Grand Rapids

NOW

41 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 0.5 µg/m³

PM₁₀ 0.59 µg/m³

O₃ 0.045 ppm

NO₂ 1.3 ppb

SO₂ 0.5 ppb

CO 0.13 ppm

NH₃ 0.18 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 0.5 µg/m³

PM₁₀ – 0.59 µg/m³

O₃ – 87.54 µg/m³

NO₂ – 2.51 µg/m³

SO₂ – 1.35 µg/m³

CO – 152.27 µg/m³

NH₃ – 0.18 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Grand Rapids

Moderate Expected Likely

Winter Weather Advisory

Winter Weather Advisory issued March 17 at 2:37AM EDT until March 17 at 11:00AM EDT by NWS Grand Rapids MI

Mar 17, 2:37 AM → Mar 17, 11:00 AM

WHAT: Snow. Additional snow accumulations up to one inch.

WHERE: Mecosta, Osceola, Calhoun, Barry, and Kent Counties.

WHEN: Until 11 AM EDT this morning.

IMPACTS: Visibility and road conditions may change rapidly over
short distances in lake effect snow.

+ Read More

Slow down and use caution while traveling.

Updated: Mar 17, 2:41 AM Source: NWS Alert