NWS Marquette Aviation: Snow and Ice

Two Storms to Bring Impactful Winter Weather to the Central and Eastern U.S.

A winter storm will bring heavy snow and ice to the Ohio Valley into the Mid-Atlantic Tuesday into Wednesday. Significant ice is forecast for the Central Appalachians. Heavy snow is likely through the I-95 corridor from Virginia to Pennsylvania. Another winter storm is slated to bring heavy snow and ice to the Central Plains later Tuesday, and spread into the Midwest and Great Lakes Wednesday. 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