Update Video:
Here is a look at additional snowfall total across the Des Moines area. 0.5″ – 1″ of additional snowfall will be possible for your area through 11 PM tonight. Isolated higher cannot be ruled out.
By 3 PM, most of the snow should be off to your east but cannot rule out some flurries still lingering around during this time frame. Here is a look at simulated radar around 3 PM today.