A complicated winter storm system will bring snow, blowing snow and even some freezing drizzle to the region today, tonight and tomorrow. A Winter Weather Advisory is in effect for much of eastern South Dakota, southwestern Minnesota and northwestern Iowa this evening into tomorrow. A Winter Storm Warning is in effect today and tonight for much of central and western South Dakota.

SNow will come in a couple of rounds. Round one has already developed across much of central and northern South Dakota this morning. Snow will continue to develop and move east throughout the day today. Wind gusts to 25 mph or higher will create areas of blowing snow at times. A second, heavier round of snow is likely tonight into tomorrow morning. In addition to the snow, parts of northwestern Iowa and southern Minnesota could get areas of freezing drizzle today and again tomorrow.

This is a large system that will affect everyone a little differently. Here’s a breakdown detailing the impact on specific parts of our region:  

Sioux Falls

WINTER WEATHER ADVISORY IS IN EFFECT FROM NOW THROUGH NOON TUESDAY

Light snow is likely throughout the day today. Accumulation amounts will be less than an inch through this afternoon. Parts of northwestern Iowa will likely have some patchy freezing drizzle throughout the day today. A second, heavier round of snow will roll in tonight. About 2 to 4 inches of accumulation as possible with the second round. Snow will end by noon tomorrow.

Aberdeen/Watertown

WINTER WEATHER ADVISORY IS IN EFFECT FROM 6 PM THROUGH NOON TUESDAY

Light snow is likely today. Around an inch of accumulation as possible. North wind gusts to 25 mph will create areas of blowing snow especially in rural areas. A second, heavier round of snow is likely tonight. About 3 to 5 inches of accumulation as possible with this round. Overall snow accumulation will range from about 3 to 6 inches by the time the snow ends tomorrow morning.

Pierre/Central South Dakota

WINTER STORM WARNING IS IN EFFECT UNTIL 6 AM TUESDAY

Areas of snow and blowing snow are likely today. 2 to 4 inches of accumulation is possible by the end of the day today. A second, heavier round of snow is likely tonight. An additional 4 to 6 inches of accumulation is possible. Snow will end tomorrow morning with total accumulation of 6 to 10 inches.