Probability Snow/Ice Maps

NOAA Snow/Sleet and ice chances, up to 7-days out!

Sample NOAA WPC 3-day snow/sleet percent probability map zoomed into Northwest Washington state region. Sample only.Sample NOAA WPC 3-day snow/sleet percent probability map zoomed into Northwest Washington state region. Sample only.
NOAA WPC 3-day snow/sleet interactive map screenshot with map options location circled above and to right of map.NOAA WPC 3-day snow/sleet interactive map screenshot with map options location circled above and to right of map.

WPC Next 3-Days Snow/Sleet

Next 24, 48 or 72 hours out percent probability of 1", 2", 4", 6", 8", 12" & 18" snow every 6 hours. All colors % chance of snow/sleet, not rain/snow/ice lines. Adjust parameters via options above and to the right of interactive map.

WPC Next 3-Days Freezing Rain (the bad ice):

Sample WPC freezing rain interactive map showing percent chance of accumulation of ice. For WeatherSources Winter prob page.Sample WPC freezing rain interactive map showing percent chance of accumulation of ice. For WeatherSources Winter prob page.
Sample screenshot of WPC interactive map with selectable options encircled for freezing rain. Sample screenshot of WPC interactive map with selectable options encircled for freezing rain.

WPC Next 3-Days Freezing Rain (ice)

Freezing Rain (the 'bad' ice) is just regular rain but freezes when hits a surface. Shows % probability of 0.01", 0.10", 0.25" & 0.50" ice every 6hrs. Can set to 24, 48 & 72 hours out. All colors % chance of freezing rain, not rain/snow/ice lines.

WPC 4-7 Day Snow/Sleet

Sample NOAA / WPC 4 to 7 day snow/sleet probability map to show sample of map colors.Sample NOAA / WPC 4 to 7 day snow/sleet probability map to show sample of map colors.

Snow/sleet percent probability of 0.25"+ liquid equivalent (2.5"+ if all snow if use traditional 10:1 snow ratio). All colors % chance of snow/sleet, not rain/snow lines. Adjust parameters via options above and to the right of interactive map.

Sample NOAA WPC 4 to 7 day snow/sleet probability map to show where map options are located above and to the right of map.Sample NOAA WPC 4 to 7 day snow/sleet probability map to show where map options are located above and to the right of map.