THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 491 UNTIL 3 AM MDT /4 AM CDT/ MONDAY WHICH REPLACES A PORTION OF SEVERE THUNDERSTORM WATCH 490. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS IN KANSAS THE NEW WATCH INCLUDES 5 COUNTIES IN NORTHWEST KANSAS SHERMAN THOMAS IN WEST CENTRAL KANSAS GOVE LOGAN WALLACE THIS INCLUDES THE CITIES OF COLBY, GOODLAND, GRAINFIELD, GRINNELL, OAKLEY, QUINTER, AND SHARON SPRINGS.