Official National Weather Service forecasts for St. George and southwest Utah — Washington, Iron, Kane, Beaver and Garfield counties, from the Arizona Strip and the Virgin River through the Zion narrows and the Hurricane Cliffs, up the I-15 grade past Cedar City to the Markagunt and Paunsaugunt plateaus, and east along US-89 to Kanab, Bryce and the Grand Staircase.