National Weather Service United States Department of Commerce

Heavy Snow Band north of I-90 - January 18, 2019

A band of heavy snow developed just north of Interstate 90 during the morning of Friday, January 18, 2019. The axis of heaviest snow, with reports of 10 to 15 inches, was along the SD Hwy 34/MN Hwy 30 corridor from around Madison, SD, east toward Windom, MN. Despite not being within the heaviest snow band, new daily snowfall records were set at both Sioux Falls and Huron, South Dakota. Read More >

Check Out Our Probabilistic Snowfall Experiment Page

Please Note: This Snowfall Forecast graphic reflects the total snow accumulation expected within the next 60-72 hours. 
This graphic may often indicate ADDITIONAL snowfall expected, and will not always reflect the total snowfall for an entire event.
The times at the top of the graphic specify the time period during which this forecast graphic is valid.

 
Event Total Snowfall Forecast - This graphic will only be displayed when significant snowfall is expected within the next 72 hours.
Key for Total Snowfall Map:
White = zero. Zero: White
Pale gray blue = less than 1 inch. <1": Pale Gray Blue
Light Blue = 1 to 2 inches. 1"-2": Light Blue
Medium Blue = 2 to 3 inches. 2"-3": Medium Blue
Blue = 3 to 4 inches. 3"-4": Blue
Dark Blue = 4 to 6 inches. 4"-6": Dark Blue
Pale Yellow = 6 to 8 inches. 6"-8": Pale Yellow
Light Orange = 8 to 12 inches. 8"-12": Light Orange
Orange = 12 to 18 inches. 12"-18": Orange
Red = 18 to 24 inches. 18"-24": Red
Dark Red = greater than 24 inches. >24": Dark Red
 

Need Additional Information?
 
Check out our Winter Weather Monitor Page