A winter storm is taking aim at the area for Friday through Saturday. Significant snowfall accumulations are expected, with stronger north to northwest winds and the potential for considerable blowing and drifting of the snow Saturday.
Travel will be impacted by the storm. The Friday evening commute will be impacted for most if not all of the area, along with any holiday shopping on Saturday. Motorists should plan ahead for winter driving conditions. Adjust travel schedules around the storm if possible to avoid the highest snow and blowing snow threats.
A winter storm warning (pink) will be in effect from noon Friday to 6pm Saturday. Expect light snow Friday morning to increase in intensity Friday afternoon and night, ending Saturday afternoon. The heaviest snowfall rates will occur Friday night. Total snow accumulations of 6 to 9 inches are expected near and north of interstate 90, with 4 to 7 inches expected across northeast Iowa into southwest Wisconsin. Significant reductions in visibility are expected, strong north to northwest winds on Saturday will cause considerable blowing and drifting snow.
Further south, a winter weather advisory (purple), will remain in effect from noon Friday to 9pm Saturday. Snow will begin in this area Friday afternoon, lasting through early Saturday evening. Snowfall accumulations of 2 to 4 inches will be expected here. Visibilities reduced to 2 miles or less Friday due to snow, then due to possible light snow and blowing snow Saturday.
South of interstate 80, some ice will be possible. Surface temperatures will be below freezing, thus light icing accumulations can be expected. Temperatures may rise to near freezing or just above during the afternoon. Some sleet could also occur. Untreated roads, sidewalks, parking lots, bridges, and overpasses will become icy with a thin glaze. Travel may be impacted.
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