Snowfall Forecast








Maryland Forecasted Snowfall Amounts
The charts depict the Percent Chance That Snow Accumulation Will Be Greater Than.... Click on the thumbnail to enlarge.

Percent Chance of
>=0.1" Snow or More

Percent Chance of
>=1" Snow or More

Percent Chance of
>=2" Snow or More

Percent Chance of
>=4" Snow or More

Percent Chance of
>=6" Snow or More

Percent Chance of
>=8" Snow or More

Percent Chance of
>=12" Snow or More

Percent Chance of
>=18" Snow or More




Maryland Snowfall Accumulation Potential
The charts depict the forecasted snowfall potential. Click on the thumbnail to enlarge.

Expect at Least
this Much Snowfall

Most Likely
Snowfall

Potentially
this Much Snowfall




Winter Precipitation Information
The charts depict forecast of ice, timing and storm systems. Click on the thumbnail to enlarge.

Most Likely
Ice Glaze Forecast

Storm Track
Forecast

Onset of
Wintery Precipitation




Day 1 - 3 Surface Low Tracks
The low track charts depict HPC's Day 1-3 forecast of surface low tracks associated with significant winter weather. Click on the thumbnail to enlarge.
Latest HPC surface analysis, NWS Winter Weather Watches/Warnings/Advisories, and radar loop
Current Surface
Low Positions
Day 1-3 forecast of surface low tracks associated with significant winter weather
Forecast Surface
Low Positions
Day 1-3 forecast of surface low tracks associated with significant winter weather
Forecast Surface
Low Positions



Snowfall Probability Forecasts
The following charts depict the probability of snowfall reaching or exceeding 4, 8 and 12 inches. Click on a thumbnail to enlarge.
≥ 4 inches ≥ 8 inches ≥ 12 inches
Probability of snowfall greater than or equal to 4 inches
Day 1
Probability of snowfall greater than or equal to 8 inches
Day 1
Probability of snowfall greater than or equal to 12 inches
Day 1
Probability of snowfall greater than or equal to 4 inches
Day 2
Probability of snowfall greater than or equal to 8 inches
Day 2
Probability of snowfall greater than or equal to 12 inches
Day 2
Probability of snowfall greater than or equal to 4 inches
Day 3
Probability of snowfall greater than or equal to 8 inches
Day 3
Probability of snowfall greater than or equal to 12 inches
Day 3





Freezing Rain Probability Forecasts
The following charts depict the probability of freezing rain reaching or exceeding .25 inch. Click on a thumbnail to enlarge.
Day 1 probability of freezing rain greater than or equal to .25 inch.
Day 1
Day 2 probability of freezing rain greater than or equal to .25 inch.
Day 2
Day 3 probability of freezing rain greater than or equal to .25 inch.
Day 3