A WINTER STORM WILL IMPACT IOWA STARTING FRIDAY EVENING WITH AWINTRY MIX OF PRECIPITATION SPREADING INTO THE STATE. FOR NORTHERN IOWA, A PERIOD OF WINTRY MIX WILL ARRIVE FRIDAY NIGHT AND EVENTUALLY TRANSITION TO SNOW LATER ON SATURDAY. BRISK AND GUSTY WIND WILL CAUSE AREAS OF BLOWING SNOW THAT WILL REDUCE VISIBILITY. AS THE SNOW ENDS ON SUNDAY, MODERATE TO HEAVY SNOW ACCUMULATIONS ARE POSSIBLE OVER NORTHERN IOWA. * WHAT...HEAVY MIXED PRECIPITATION POSSIBLE. TOTAL SNOW ACCUMULATIONS WILL RANGE FROM 3 INCHES AROUND HIGHWAY 20 TO 7 TO 9 INCHES POSSIBLE OVER FAR NORTHERN IOWA. ICE ACCUMULATIONS UP TO ONE TENTH OF AN INCH POSSIBLE. WINDS COULD GUST AS HIGH AS 35 MPH.

* WHERE...NORTHERN IOWA.

* WHEN...FROM FRIDAY EVENING THROUGH SUNDAY MORNING.

* ADDITIONAL DETAILS...TRAVEL COULD BE VERY DIFFICULT STARTING AS EARLY AS LATE FRIDAY NIGHT. THE HEAVY, WET NATURE OF THE SNOW MAY ALSO PRODUCE ISOLATED TREE DAMAGE AND POWER OUTAGES.