A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM WEDNESDAY. FOR THE AREA.  A HEAVY SNOW BAND DEVELOPED OVER SOUTHERN IOWA AND IS QUICKLY MOVING NORTHWARD THIS MORNING. EXPECT THE BAND TO CAUSE BURST OF VERY HEAVY SNOW AND VISIBILITY WILL RAPIDLY DECREASE TO LESS THE ONE QUARTER MILE…ESPECIALLY ALONG THE INTERSTATE 80 CORRIDOR TO HIGHWAY 30.

THE PERIOD OF HEAVIEST SNOWFALL IS LIKELY TO OCCUR FROM 7 AM TO 11 AM THIS MORNING WHERE 1 TO 2 INCH SNOWFALL RATES ARE ANTICIPATED. EVEN A BRIEF PERIOD OF THUNDERSNOW IS POSSIBLE AND MAY RESULT IN NEAR 3 INCH PER HOUR SNOWFALL RATES. A BREAK IN THE PRECIPITATION IS EXPECTED THIS AFTERNOON FROM SOUTHWEST IOWA THROUGH DES MOINES AS DRIER AIR IS IS FORECAST TO PUNCH INTO THE STATE. A BRIEF PERIOD OF FREEZING DRIZZLE IS POSSIBLE FURTHER NORTHEAST THIS AFTERNOON. STRONG WINDS AND ANOTHER ROUND OF SNOW LOOKS TO DEVELOP THIS EVENING.

* STORM TOTAL SNOW/ICE…ACCUMULATIONS OF 5 TO 9 INCHES ARE
EXPECTED. LITTLE ICE ACCUMULATIONS ARE POSSIBLE.
* WINDS/VISIBILITY…NORTHEAST WINDS BECOMING NORTH 20 TO 30 MPH
WITH GUSTS IN EXCESS OF 45 MPH. VISIBILITIES BELOW A HALF MILE
TO EVEN NEAR WHITEOUT CONDITIONS ARE POSSIBLE.
* IMPACTS...EXTREMELY HAZARDOUS TRAVEL TO NEARLY IMPOSSIBLE AT TIMES. PLEASE RECONSIDER ANY TRAVEL PLANS.