NWS Marquette Aviation: Snow and Ice

Heavy Snow in the West; Fire Weather Conditions in Southern New England and Hawaii

A system crossing the Intermountain West today will continue to bring areas of moderate snowfall from the central Sierra Nevada to the Northern Rockies. Gusty winds and low relative humidity will bring critical fire weather to parts of southern New England and Hawaii. Read More >

Observations & TAFs	Ceiling & Visibility	Icing / Turb. / Wind	Precipitation	Additional Links

Snowfall Potential

NWS Marquette 6-hourly Forecast Snowfall Amounts

Weather Prediction Center Probability of Snow Amounts

Day 1	≥ 4"	≥ 8"	≥ 12"
Day 2	≥ 4"	≥ 8"	≥ 12"
Day 3	≥ 4"	≥ 8"	≥ 12"

Weather Prediction Center Probability of Snow Amounts

Updates Every 6 Hours. This is an experimental product and may not be available at all times

Modeled Probability of snow ≥1"/hr	Hr 3	Hr 6	Hr 9	Hr 12	Hr 15	Hr 18	Hr 21	Hr 24
6hr Snowfall (Model Average)	Hr 3	Hr 6	Hr 9	Hr 12	Hr 15	Hr 18	Hr 21	Hr 24
12hr Snowfall (Model Average)	Hr 3	Hr 6	Hr 9	Hr 12	Hr 15	Hr 18	Hr 21	Hr 24

Current Modeled Snow Depth

Snow Depth

Snow Water Equivalent

Freezing Rain Potential

Risk Level		Definition
	None	No freezing rain or drizzle
	Limited	Very light freezing rain or drizzle with no accumulation
	Elevated	Freezing rain or drizzle with accumulation < 1/4 inch
	Significant	Freezing rain with accumulation of 1/4 inch to < 1 inch
	Extreme	Freezing rain with accumulation ≥ 1 inch

WPC Probability of Any Freezing Rain

Hr 3

Hr 6

Hr 9

Hr 12

Hr 15

Hr 18

Hr 21

Hr 24