A major winter storm is set to impact the Northern Plains tomorrow morning bringing with it significant snowfall and blizzard conditions. Below are the current watches/warnings issued by the National Weather Service. Red are blizzard warnings and pink are winter storm warnings. Expect near-impossible to impossible driving conditions starting Thursday afternoon into Thursday night anywhere along the I-29 corridor in North Dakota and South Dakota.
Some areas could receive significant snowfall:
Southeast North Dakota & northeast South Dakota: 18inches + (~50cm possible)
Grand Forks and surroundings: ~10 inches (20-30cm possible)
Manitoba border: ~5 inches (10-15cm possible)
Blizzard conditions will begin Thursday afternoon into Thursday night. Significant drifting of snow will be possible with travel being near impossible in some areas.
...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM CST THURSDAY... ...BLIZZARD WARNING IN EFFECT FROM 6 AM THURSDAY TO 6 AM CST FRIDAY... * WHAT...Heavy mixed precipitation. Blizzard conditions expected. Additional snow accumulations of 2 to 4 inches along with some light freezing drizzle is expected. Total snow accumulations of 4 to 9 inches. Winds gusting as high as 40 mph. * WHERE...Portions of central and north central South Dakota. * WHEN...For the Winter Storm Warning, until 6 AM CST Thursday. For the Blizzard Warning, from 6 AM Thursday to 6 AM CST Friday. * ADDITIONAL DETAILS...Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. In addition, a light glaze of ice could make roads very slippery. The hazardous conditions could impact the morning or evening commute.
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 11 inches expected. Winds gusting as high as 50 mph. * WHERE...Northern and central Red River Valley. * WHEN...From noon today to 9 AM CST Friday. The majority of accumulating snow will occur this evening into Thursday morning. Winds will increase on Thursday with the potential for blizzard conditions Thursday afternoon and overnight. * ADDITIONAL DETAILS...Travel will be very difficult to impossible. Widespread blowing snow should significantly reduce visibility Thursday afternoon and overnight. The hazardous conditions will impact the morning and especially evening commutes. Cold wind chills Thursday night as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes.