Winter Weather Advisory in effect until 6 am CST Tuesday...
Winter Storm Watch in effect from Wednesday morning through Friday afternoon...
Rest of Tonight
Snow. New snow accumulation of 2 to 3 inches. Total snow accumulation 2 to 5 inches. Low 15 to 20. East wind 10 to 15 mph. Chance of snow near 100 percent.
Tuesday
Cloudy. A chance of light snow through mid morning...then patchy freezing drizzle before noon. Areas of freezing drizzle in the afternoon. High in the upper 20s. East wind around 15 mph with gusts to around 25 mph. Chance of precipitation 50 percent.
Cloudy. Areas of freezing drizzle through midnight...then areas of freezing drizzle and a chance of light snow after midnight. Breezy. Low in the lower 20s. East wind 15 to 20 mph with gusts to around 30 mph. Chance of precipitation 30 percent.
Wednesday
Areas of freezing drizzle and light snow likely in the morning...then snow in the afternoon. Breezy. Moderate snow accumulations possible. A light glazing expected. High in the upper 20s. East wind 15 to 25 mph. Chance of precipitation near 100 percent.
... Winter Weather Advisory remains in effect until 6 am CST Tuesday... ... Winter Storm Watch remains in effect from Wednesday morning through Friday afternoon...
Winter Weather Advisory...
* short term trends... expect snow to gradually diminish from southwest to northeast with most of the accumulating snowfall being done by 3 am. The highest additional snowfall amounts through this period will be along and northeast of a Lake Mills... Mason City to Waverly line.
* Timing... expect the accumulating snowfall to end by 3 am.
* Storm total accumulations... 2 to 5 inches with heaviest amounts along the Minnesota border.
Winter Storm Watch...
* timing... Wednesday morning through late Friday afternoon.
* Storm total ice accumulations... up to one quarter inch from the Highway 30 to Highway 20 corridors with lesser amounts farther north.
* Storm total snow accumulations... 4 to 6 inches along the southern edge of the watch area up to over a foot along and west of a Carroll to Mason City line.
* Winds... easterly winds at 10 to 20 mph on Wednesday into Thursday becoming northerly at 20 to 30 mph with higher gusts on Friday.
* Visibility... snow areas will see visibilities generally less than one mile for the duration of the storm with frequent visibilities of one half to one quarter of a mile in the heavier snows. With increasing winds Thursday night and Friday... blowing snow and reduced visibilities are expected in the watch area.
* Impacts... travel will become increasingly difficult in the watch area on Wednesday and continue to be difficult into Thursday and Friday as snow accumulates and winds increase. In the heaviest snow areas... travel may become nearly impossible due to blowing and drifting snow Thursday night into Friday.
Precautionary/preparedness actions...
A Winter Weather Advisory for snow means that periods of snow will cause travel difficulties. Be prepared for snow covered roads and limited visibility... and use caution while driving.
A Winter Storm Watch means there is a potential for significant snow... sleet... or ice accumulations that may impact travel. Continue to monitor the latest forecasts.