FALL AND WINTER COLLIDE...
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SUNDAY'S FEATURE POST:
Storm sirens were blaring over parts of Iowa Saturday. Below you can see a confirmed tornado over central Iowa Saturday afternoon.
The brief rope tornado touched down west of Perry, Iowa due to the intense low pressure system moving through the state, strong enough to deliver the spin for cold air funnels.
To the north and west of the storm heavy snow has been falling. Here's a look at the latest snowfall totals across the upper Midwest.
Rain has been falling to the south of the snow, but now colder air will move into Iowa as the storm continues to move to the east. On the backside of this low cold unstable air aloft will generate showers that are expected to mix with and change to snow Sunday in Wisconsin, Iowa and northern Illinois.
Heavy snow will persist in northern Minnesota and Wisconsin into much of Sunday., with minor accumulations possible in Iowa, southern Wisconsin/Minnesota, and Illinois. Here's the latest snowfall totals from the HRRR (hi-resolution rapid refresh model): Little if any accumulation is expected in my area. Best chances of an inch of less will be north of HWY 20.
Snowfall on the hi-res NAM:
The Euro:
And GFS:
Strong winds will come along with the precipitation on Sunday. A Wind Advisory has been posted in parts of Iowa.
The strong winds will make the cold temperatures feel even colder. Here's the high temperatures for Sunday afternoon:
And the wind chills: