THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 293 IN EFFECT UNTIL 9 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 21 COUNTIES IN CENTRAL IOWA GRUNDY HAMILTON HARDIN MARSHALL TAMA WEBSTER IN NORTH CENTRAL IOWA BUTLER CERRO GORDO FRANKLIN HANCOCK HUMBOLDT KOSSUTH WINNEBAGO WORTH WRIGHT IN NORTHEAST IOWA BLACK HAWK BREMER IN NORTHWEST IOWA EMMET PALO ALTO POCAHONTAS IN WEST CENTRAL IOWA CALHOUN THIS INCLUDES THE CITIES OF ACKLEY, ALGONA, ALLISON, APLINGTON, BELMOND, BRITT, CEDAR FALLS, CLARION, CLARKSVILLE, CLEAR LAKE, CONRAD, DIKE, DUMONT, DYSART, EAGLE GROVE, ELDORA, EMMETSBURG, ESTHERVILLE, FONDA, FOREST CITY, FORT DODGE, GARNER, GILMORE CITY, GLADBROOK, GREENE, GRUNDY CENTER, HAMPTON, HUMBOLDT, IOWA FALLS, KANAWHA, LAKE CITY, LAKE MILLS, LAURENS, MANLY, MANSON, MARSHALLTOWN, MASON CITY, NORTHWOOD, PARKERSBURG, POCAHONTAS, POMEROY, REINBECK, ROCKWELL CITY, ROLFE, SHELL ROCK, TAMA, TOLEDO, TRAER, WATERLOO, WAVERLY, WEBSTER CITY, AND WELLSBURG. * PRIMARY THREATS INCLUDE... SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE. SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE. A TORNADO OR TWO POSSIBLE.