NOTE: The area across the Siouxland that is blank with warnings and advisories has been filled in and moved SW to include Sioux City.

The National Weather Service has issued a Winter Storm Warning for a large section of the state (In pink) with Advisories to the north and south of the Warning area. The eastern counties remain in a Winter Storm Watch but this will likely change to an advisory or warning later tonight.

From the NWS in Des Moines with regards to the Winter Storm Warning.

TIMING…SNOW WILL MOVE INTO THE AREA DURING THE MORNING HOURS THURSDAY…AND CONTINUE INTO THE EVENING HOURS. PERIODS OF MODERATE TO HEAVY SNOWFALL ARE EXPECTED BY LATE THURSDAY MORNING THROUGH THE AFTERNOON HOURS. THE SNOW WILL GRADUALLY END FROM NORTHWEST TO SOUTHEAST LATE THURSDAY EVENING.

STORM TOTAL SNOW…TOTAL SNOW AMOUNTS OF 6 TO 10 INCHES…WITH HIGHER AMOUNTS POSSIBLE IN AREAS OF BANDED SNOW.

WINDS/VISIBILITY…VISIBILITIES OF ONE QUARTER MILE OR LESS ARE EXPECTED DURING PERIODS OF HEAVIER SNOW. IN ADDITION…NORTHWEST WINDS WILL INCREASE BY LATE THURSDAY AFTERNOON WITH SPEEDS OF 15 TO 25 MPH WITH HIGHER GUSTS CREATING AREAS OF BLOWING AND DRIFTING SNOW.

* IMPACTS…CONDITIONS MAY QUICKLY DETERIORATE BY LATE MORNING THURSDAY INTO THE EARLY AFTERNOON HOURS. TRAVEL WILL BECOME QUITE DIFFICULT AS CONDITIONS WORSEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL…KEEP AN EXTRA FLASHLIGHT…FOOD…AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.