Snow is  moving across southern Iowa this morning. The National Weather Service in Johnston says snow fall totals will range from 1 to 3 inches south of Interstate 80 with the highest totals near the Missouri border.Winter Weather Advisories for snow and blowing snow have been posted for all counties along and south in I-80 thru the mid-day hours. Roads have become snow covered and with winds gusting up to 20 miles per hour, visibilities will fall below one-mile, especially in areas of heavier snowfall. Use caution while driving today.

High Pressure will arrive tonight and will bring very cold temperatures to the state. Overnight lows will be 5 to 15 degrees below zero. Warmer temperatures arrive Friday into Saturday. Highs in the 30s and 40s are possible during this period.