MILWAUKEE, WI — The same weather pattern that brought us the first snow flurries of Winter 2019 is coming back to haunt us. According to the National Weather Service, between one to five inches of snow is expected Wednesday evening through Halloween on Thursday, with the highest amounts towards southeastern Wisconsin.

The National Weather Service says snow accumulations may impact the Thursday morning commute as well as the potentially early Thursday evening Halloween commute.

While the snow is likely on its way, officials say there is high uncertainty with this weather system, however at this point one to five inches of snow is the expected amount for a majority of southern Wisconsin.

At A Glance

Hazards

1 to 5 inches of wet snowfall is possible.

Areas Impacted

All of southern Wisconsin with southeast Wisconsin likely to see highest amounts. Though near the lake will see lesser amounts.

Timing And Duration

Wednesday evening through the day Thursday. Rain begins Wednesday in the southeast and as we move into the evening temperatures will cool with the system pulling through much of southern Wisconsin. The cooling temperatures Wednesday evening will change precipitation to snow early in the evening. Snow exits southern Wisconsin by Thursday evening.

Impacts

Wet snow accumulation on roads is expected. Damage to tree limbs and power infrastructure is possible, especially where heavier accumulations occur. Accumulations will likely impact commutes Thursday morning and may impact the commutes Thursday evening as well especially because it will be Halloween and people may leave earlier than normal.

Certainty And Considerations

Confidence remains fairly low with this system especially to the northwest but we still expected decent accumulations across southern Wisconsin. This is expected to be a wet accumulating snow of 1 to 5 inches with the highest amounts toward southeast WI but away from the lake.

Forecast

Wednesday

A slight chance of rain and snow between 8 a.m. and 10 a.m., then a chance of rain. Mostly cloudy, with a high near 41. North wind 5 to 10 miles per hour. Chance of precipitation is 50 percent.

Wednesday Night

Rain before midnight, then rain and snow. Low around 32. North wind 10 to 15 miles per hour, with gusts as high as 25 miles per hour. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Thursday

Rain and snow. High near 37. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90 percent. New snow accumulation of 1 to 2 inches possible.

Thursday Night

A 30 percent chance of snow before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Northwest wind 10 to 15 miles per hour, with gusts as high as 30 miles per hour.


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