Latest on Sunday's Ice Storm

Dangerous Conditions Sunday Night

Moline, ILLINOIS - The much anticipated ice storm is still coming Sunday, but it's not likely to arrive for most of us until later in the day. 

I talked about this in my Friday afternoon update and after looking at the new information this morning, I think we'll have a few more ice-free hours Sunday.

A "Winter Storm Watch" goes into effect for the blue-shaded counties Sunday.

Locally, this "Watch" runs from 6 p.m. Sunday through noon Monday, except for Knox and Stark counties in Illinois.  There, the "Watch" begins at midnight Saturday and runs through 6 a.m. Monday.

At the bottom of the map you see a fuchsia and purple shading.  Those counties are under a "Freezing Rain Advisory" (fuchsia) and "Ice Storm Warning" (purple).  

Later today or early Sunday morning, I expect our "Winter Storm Watch" to be changed to either a "Freezing Rain Advisory" or a "Winter Weather Advisory".

Now, let's talk about when this all starts and how much ice we're expecting.

A light wintry mix may begin Sunday morning across the far south.  

Hometowns from Ottumwa and Burlington, Iowa, to Galesburg, Illinois, could see a combination of snow, sleet, and freezing rain begin around midday Sunday.

For the Quad Cities and hometowns along and just south of Interstate 80, that wintry mix will start in the afternoon (4-7 p.m.). 

Areas north of the metro area may see mostly snow for a while once it starts Sunday evening.

This wintry mix will transition to all freezing rain Sunday night and early Monday morning from south to north as temperatures warm overnight.

By mid-morning Monday, temperatures will be warming into the 30s and then the low-40s by afternoon, so it'll be all rain and the ice will begin to slowly melt.

As you can see by this colorful map, the highest chance of seeing at least a tenth of inch of ice will be from the Quad Cities south and southwestward.

As you head south into those higher numbers, ice amounts could be closer to one-quarter of an inch.

That's a lot of ice!  

Driving will be very hazardous Sunday night and early Monday.  Trees and power lines will have a heavy coating of ice, which could cause power outages and interruptions to cable, phone, and internet services.

While the ice might be pretty to look at, this is a very dangerous situation.  

The only silver lining is that winds are not expected to be strong during this icing event at around 6-12 miles-per-hour.

Warmer temperatures are on the way starting Monday.  By the end of the next week, we could see highs in the 50s.

Meteorologist Ashe Simpson will have another update later Saturday.

Meteorologist Anthony Peoples


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