A Few Mild Days Before the Coldest Air of the Season



UPDATED at 3:30 PM

Tonight: Mostly clear and breezy. Low: 18-20. Wind: SW 10-20 mph.

Wednesday: Mostly cloudy and breezy. High: 35-40. Wind: 10-20 mph.

Wednesday Night: Partly cloudy. Low: 15-20. Wind: NW 10-15 mph.

Thursday: Partly cloudy. High: upper 20s.

Friday: Partly cloudy. High: near 40.

Saturday: Partly cloudy and windy (NW 15-25 mph). High: upper 30s.

Sunday: Party cloudy and colder. High: upper teens.

Monday: Partly cloudy and cold. High: near 10.

Tuesday: Partly cloudy and cold. High: near 10.

We are tracking the cold air in Canada and waiting for it to move south this weekend. Take a look at the morning low temperatures in central Canada this morning. The coldest temperatures were around 40 below zero. This cold air will be coming south this weekend, but moderating a little.

In the mean time, the low temperatures in eastern Iowa were balmy compared to our friend up north.

A warm front is forecast to push through eastern Iowa Wednesday producing a mostly cloudy sky. In the morning, ahead of the front, there may be a few flurries in northeast Iowa and southwest Wisconsin. The front will weaken as it crosses the region with warmer afternoon highs. Wednesday night a cold front will drift south across Iowa with colder temperatures for Thursday bringing high temperatures back to normal for this time of year. Here is the HPC forecast position of the cold front Wednesday evening.

Friday will be our last surge of mild air as high temperatures will reach the upper 30s and low 40s.

The well advertised Arctic front is forecast to move south across Iowa Saturday with morning highs in the upper 30s. Expect falling temperatures in the afternoon behind the front. The wind will also increase from the northwest add an additional chill into the air. Here is the forecast position of the cold front Saturday morning.

A large and cold area of high pressure will be coming south behind the front. High temperatures here in eastern Iowa will be struggling to reach 10 Monday and Tuesday. Morning lows will be around 5 below zero. The wind at 10-15 mph will push wind chills well below zero Sunday through at least the middle of next week.

Other than the cold weather in the forecast there are no real precipitation chances through the middle of next week.

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Posted under Forecast Discussion

This post was written by Schnack on January 15, 2013

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