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Home Return to list Tornado Watch 0218 Issued by the Des Moines Forecast Office
Action: New Issued At: 2026-05-17 20:08:07 522 WWUS63 KDMX 180107 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCHES 216/218 NATIONAL WEATHER SERVICE DES MOINES IA 807 PM CDT SUN MAY 17 2026 IAC001-003-009-013-015-025-027-029-039-047-049-053-073-075-077- 079-083-099-117-121-123-125-127-135-153-157-159-161-169-171-173- 175-181-185-187-180800- /O.NEW.KDMX.TO.A.0218.260518T0107Z-260518T0800Z/ THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 218 IN EFFECT UNTIL 3 AM CDT MONDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 35 COUNTIES IN CENTRAL IOWA BOONE DALLAS GRUNDY HAMILTON HARDIN JASPER MARSHALL POLK POWESHIEK STORY TAMA WEBSTER IN NORTHEAST IOWA BLACK HAWK IN SOUTH CENTRAL IOWA CLARKE DECATUR LUCAS MADISON MAHASKA MARION MONROE RINGGOLD UNION WARREN WAYNE IN SOUTHWEST IOWA ADAIR ADAMS CASS TAYLOR IN WEST CENTRAL IOWA AUDUBON CALHOUN CARROLL CRAWFORD GREENE GUTHRIE SAC THIS INCLUDES THE CITIES OF ACKLEY, ADAIR, ADEL, ALBIA, ALLERTON, AMES, ATLANTIC, AUDUBON, BAYARD, BEDFORD, BOONE, CARLISLE, CARROLL, CASEY, CEDAR FALLS, CHARITON, CONRAD, CORNING, CORYDON, CRESTON, DENISON, DES MOINES, DIKE, DYSART, EARLHAM, EARLY, ELDORA, EXIRA, FONTANELLE, FORT DODGE, GLADBROOK, GREENFIELD, GRINNELL, GRUNDY CENTER, GUTHRIE CENTER, HUMESTON, INDIANOLA, IOWA FALLS, JEFFERSON, KNOXVILLE, LAKE CITY, LAKE VIEW, LAMONI, LENOX, LEON, MANSON, MARSHALLTOWN, MOUNT AYR, NEW MARKET, NEWTON, NORWALK, ODEBOLT, OSCEOLA, OSKALOOSA, PANORA, PELLA, PERRY, POMEROY, REINBECK, ROCKWELL CITY, SAC CITY, SCHALLER, SEYMOUR, STUART, TAMA, TOLEDO, TRAER, WALL LAKE, WATERLOO, WAUKEE, WEBSTER CITY, WELLSBURG, AND WINTERSET. * PRIMARY THREATS INCLUDE... A COUPLE TORNADOES POSSIBLE. SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80 MPH LIKELY. ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE. PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : 40% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 20% PROB OF 10 OR MORE SEVERE WIND EVENTS : 70% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 60% PROB OF 10 OR MORE SEVERE HAIL EVENTS : 30% PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 20% PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 90% MEAN STORM MOTION /MPH/ : NE 45 $$ IAC017-023-033-063-069-081-091-109-147-151-189-195-197-180600- /O.CON.KDMX.TO.A.0216.000000T0000Z-260518T0600Z/ TORNADO WATCH 216 REMAINS VALID UNTIL 1 AM CDT MONDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 13 COUNTIES IN NORTH CENTRAL IOWA BUTLER CERRO GORDO FRANKLIN HANCOCK HUMBOLDT KOSSUTH WINNEBAGO WORTH WRIGHT IN NORTHEAST IOWA BREMER IN NORTHWEST IOWA EMMET PALO ALTO POCAHONTAS THIS INCLUDES THE CITIES OF ALGONA, ALLISON, APLINGTON, BELMOND, BRITT, CLARION, CLARKSVILLE, CLEAR LAKE, DUMONT, EAGLE GROVE, EMMETSBURG, ESTHERVILLE, FONDA, FOREST CITY, GARNER, GILMORE CITY, GREENE, HAMPTON, HUMBOLDT, KANAWHA, LAKE MILLS, LAURENS, MANLY, MASON CITY, NORTHWOOD, PARKERSBURG, POCAHONTAS, ROLFE, SHELL ROCK, AND WAVERLY. * PRIMARY THREATS INCLUDE... A FEW TORNADOES AND A COUPLE INTENSE TORNADOES POSSIBLE. WIDESPREAD DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75 MPH LIKELY. SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE. $$ Action: Continued Issued At: 2026-05-17 23:05:43 367 WWUS63 KDMX 180404 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCHES 216/218 NATIONAL WEATHER SERVICE DES MOINES IA 1104 PM CDT SUN MAY 17 2026 IAC033-063-069-081-091-109-147-151-189-195-197-180515- /O.CAN.KDMX.TO.A.0216.000000T0000Z-260518T0600Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 216 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 11 COUNTIES IN NORTH CENTRAL IOWA CERRO GORDO FRANKLIN HANCOCK HUMBOLDT KOSSUTH WINNEBAGO WORTH WRIGHT IN NORTHWEST IOWA EMMET PALO ALTO POCAHONTAS THIS INCLUDES THE CITIES OF ALGONA, BELMOND, BRITT, CLARION, CLEAR LAKE, EAGLE GROVE, EMMETSBURG, ESTHERVILLE, FONDA, FOREST CITY, GARNER, GILMORE CITY, HAMPTON, HUMBOLDT, KANAWHA, LAKE MILLS, LAURENS, MANLY, MASON CITY, NORTHWOOD, POCAHONTAS, AND ROLFE. $$ IAC001-003-009-015-025-027-029-047-049-073-077-079-083-161-169- 187-180515- /O.CAN.KDMX.TO.A.0218.000000T0000Z-260518T0800Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 218 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 16 COUNTIES IN CENTRAL IOWA BOONE DALLAS HAMILTON HARDIN STORY WEBSTER IN SOUTHWEST IOWA ADAIR ADAMS CASS IN WEST CENTRAL IOWA AUDUBON CALHOUN CARROLL CRAWFORD GREENE GUTHRIE SAC THIS INCLUDES THE CITIES OF ACKLEY, ADAIR, ADEL, AMES, ATLANTIC, AUDUBON, BAYARD, BOONE, CARROLL, CASEY, CORNING, DENISON, EARLY, ELDORA, EXIRA, FONTANELLE, FORT DODGE, GREENFIELD, GUTHRIE CENTER, IOWA FALLS, JEFFERSON, LAKE CITY, LAKE VIEW, MANSON, ODEBOLT, PANORA, PERRY, POMEROY, ROCKWELL CITY, SAC CITY, SCHALLER, STUART, WALL LAKE, WAUKEE, AND WEBSTER CITY. $$ IAC013-039-053-075-099-117-121-123-125-127-135-153-157-159-171- 173-175-181-185-180800- /O.CON.KDMX.TO.A.0218.000000T0000Z-260518T0800Z/ TORNADO WATCH 218 REMAINS VALID UNTIL 3 AM CDT MONDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 19 COUNTIES IN CENTRAL IOWA GRUNDY JASPER MARSHALL POLK POWESHIEK TAMA IN NORTHEAST IOWA BLACK HAWK IN SOUTH CENTRAL IOWA CLARKE DECATUR LUCAS MADISON MAHASKA MARION MONROE RINGGOLD UNION WARREN WAYNE IN SOUTHWEST IOWA TAYLOR THIS INCLUDES THE CITIES OF ALBIA, ALLERTON, BEDFORD, CARLISLE, CEDAR FALLS, CHARITON, CONRAD, CORYDON, CRESTON, DES MOINES, DIKE, DYSART, EARLHAM, GLADBROOK, GRINNELL, GRUNDY CENTER, HUMESTON, INDIANOLA, KNOXVILLE, LAMONI, LENOX, LEON, MARSHALLTOWN, MOUNT AYR, NEW MARKET, NEWTON, NORWALK, OSCEOLA, OSKALOOSA, PELLA, REINBECK, SEYMOUR, TAMA, TOLEDO, TRAER, WATERLOO, WELLSBURG, AND WINTERSET. * PRIMARY THREATS INCLUDE... A COUPLE TORNADOES POSSIBLE. SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80 MPH LIKELY. ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE. $$ IAC017-023-180600- /O.CON.KDMX.TO.A.0216.000000T0000Z-260518T0600Z/ TORNADO WATCH 216 REMAINS VALID UNTIL 1 AM CDT MONDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 2 COUNTIES IN NORTH CENTRAL IOWA BUTLER IN NORTHEAST IOWA BREMER THIS INCLUDES THE CITIES OF ALLISON, APLINGTON, CLARKSVILLE, DUMONT, GREENE, PARKERSBURG, SHELL ROCK, AND WAVERLY. * PRIMARY THREATS INCLUDE... A FEW TORNADOES AND A COUPLE INTENSE TORNADOES POSSIBLE. WIDESPREAD DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75 MPH LIKELY. SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE. $$ Action: Cancelled Issued At: 2026-05-17 23:05:43 367 WWUS63 KDMX 180404 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCHES 216/218 NATIONAL WEATHER SERVICE DES MOINES IA 1104 PM CDT SUN MAY 17 2026 IAC033-063-069-081-091-109-147-151-189-195-197-180515- /O.CAN.KDMX.TO.A.0216.000000T0000Z-260518T0600Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 216 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 11 COUNTIES IN NORTH CENTRAL IOWA CERRO GORDO FRANKLIN HANCOCK HUMBOLDT KOSSUTH WINNEBAGO WORTH WRIGHT IN NORTHWEST IOWA EMMET PALO ALTO POCAHONTAS THIS INCLUDES THE CITIES OF ALGONA, BELMOND, BRITT, CLARION, CLEAR LAKE, EAGLE GROVE, EMMETSBURG, ESTHERVILLE, FONDA, FOREST CITY, GARNER, GILMORE CITY, HAMPTON, HUMBOLDT, KANAWHA, LAKE MILLS, LAURENS, MANLY, MASON CITY, NORTHWOOD, POCAHONTAS, AND ROLFE. $$ IAC001-003-009-015-025-027-029-047-049-073-077-079-083-161-169- 187-180515- /O.CAN.KDMX.TO.A.0218.000000T0000Z-260518T0800Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 218 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 16 COUNTIES IN CENTRAL IOWA BOONE DALLAS HAMILTON HARDIN STORY WEBSTER IN SOUTHWEST IOWA ADAIR ADAMS CASS IN WEST CENTRAL IOWA AUDUBON CALHOUN CARROLL CRAWFORD GREENE GUTHRIE SAC THIS INCLUDES THE CITIES OF ACKLEY, ADAIR, ADEL, AMES, ATLANTIC, AUDUBON, BAYARD, BOONE, CARROLL, CASEY, CORNING, DENISON, EARLY, ELDORA, EXIRA, FONTANELLE, FORT DODGE, GREENFIELD, GUTHRIE CENTER, IOWA FALLS, JEFFERSON, LAKE CITY, LAKE VIEW, MANSON, ODEBOLT, PANORA, PERRY, POMEROY, ROCKWELL CITY, SAC CITY, SCHALLER, STUART, WALL LAKE, WAUKEE, AND WEBSTER CITY. $$ IAC013-039-053-075-099-117-121-123-125-127-135-153-157-159-171- 173-175-181-185-180800- /O.CON.KDMX.TO.A.0218.000000T0000Z-260518T0800Z/ TORNADO WATCH 218 REMAINS VALID UNTIL 3 AM CDT MONDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 19 COUNTIES IN CENTRAL IOWA GRUNDY JASPER MARSHALL POLK POWESHIEK TAMA IN NORTHEAST IOWA BLACK HAWK IN SOUTH CENTRAL IOWA CLARKE DECATUR LUCAS MADISON MAHASKA MARION MONROE RINGGOLD UNION WARREN WAYNE IN SOUTHWEST IOWA TAYLOR THIS INCLUDES THE CITIES OF ALBIA, ALLERTON, BEDFORD, CARLISLE, CEDAR FALLS, CHARITON, CONRAD, CORYDON, CRESTON, DES MOINES, DIKE, DYSART, EARLHAM, GLADBROOK, GRINNELL, GRUNDY CENTER, HUMESTON, INDIANOLA, KNOXVILLE, LAMONI, LENOX, LEON, MARSHALLTOWN, MOUNT AYR, NEW MARKET, NEWTON, NORWALK, OSCEOLA, OSKALOOSA, PELLA, REINBECK, SEYMOUR, TAMA, TOLEDO, TRAER, WATERLOO, WELLSBURG, AND WINTERSET. * PRIMARY THREATS INCLUDE... A COUPLE TORNADOES POSSIBLE. SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80 MPH LIKELY. ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE. $$ IAC017-023-180600- /O.CON.KDMX.TO.A.0216.000000T0000Z-260518T0600Z/ TORNADO WATCH 216 REMAINS VALID UNTIL 1 AM CDT MONDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 2 COUNTIES IN NORTH CENTRAL IOWA BUTLER IN NORTHEAST IOWA BREMER THIS INCLUDES THE CITIES OF ALLISON, APLINGTON, CLARKSVILLE, DUMONT, GREENE, PARKERSBURG, SHELL ROCK, AND WAVERLY. * PRIMARY THREATS INCLUDE... A FEW TORNADOES AND A COUPLE INTENSE TORNADOES POSSIBLE. WIDESPREAD DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75 MPH LIKELY. SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE. $$ Action: Continued Issued At: 2026-05-17 23:12:13 566 WWUS63 KDMX 180411 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCHES 216/218/219 NATIONAL WEATHER SERVICE DES MOINES IA 1111 PM CDT SUN MAY 17 2026 IAC007-051-179-180900- /O.NEW.KDMX.SV.A.0219.260518T0411Z-260518T0900Z/ THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 219 IN EFFECT UNTIL 4 AM CDT MONDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 3 COUNTIES IN SOUTH CENTRAL IOWA APPANOOSE IN SOUTHEAST IOWA DAVIS WAPELLO THIS INCLUDES THE CITIES OF BLOOMFIELD, CENTERVILLE, AND OTTUMWA. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WIND GUSTS TO 65 MPH POSSIBLE. A TORNADO OR TWO POSSIBLE. PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : 20% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : <02% PROB OF 10 OR MORE SEVERE WIND EVENTS : 40% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 20% PROB OF 10 OR MORE SEVERE HAIL EVENTS : 10% PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 10% PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 60% MEAN STORM MOTION /MPH/ : E 45 $$ IAC013-039-053-075-099-117-121-123-125-127-135-153-157-159-171- 173-175-181-185-180800- /O.CON.KDMX.TO.A.0218.000000T0000Z-260518T0800Z/ TORNADO WATCH 218 REMAINS VALID UNTIL 3 AM CDT MONDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 19 COUNTIES IN CENTRAL IOWA GRUNDY JASPER MARSHALL POLK POWESHIEK TAMA IN NORTHEAST IOWA BLACK HAWK IN SOUTH CENTRAL IOWA CLARKE DECATUR LUCAS MADISON MAHASKA MARION MONROE RINGGOLD UNION WARREN WAYNE IN SOUTHWEST IOWA TAYLOR THIS INCLUDES THE CITIES OF ALBIA, ALLERTON, BEDFORD, CARLISLE, CEDAR FALLS, CHARITON, CONRAD, CORYDON, CRESTON, DES MOINES, DIKE, DYSART, EARLHAM, GLADBROOK, GRINNELL, GRUNDY CENTER, HUMESTON, INDIANOLA, KNOXVILLE, LAMONI, LENOX, LEON, MARSHALLTOWN, MOUNT AYR, NEW MARKET, NEWTON, NORWALK, OSCEOLA, OSKALOOSA, PELLA, REINBECK, SEYMOUR, TAMA, TOLEDO, TRAER, WATERLOO, WELLSBURG, AND WINTERSET. * PRIMARY THREATS INCLUDE... A COUPLE TORNADOES POSSIBLE. SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80 MPH LIKELY. ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE. $$ IAC017-023-180600- /O.CON.KDMX.TO.A.0216.000000T0000Z-260518T0600Z/ TORNADO WATCH 216 REMAINS VALID UNTIL 1 AM CDT MONDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 2 COUNTIES IN NORTH CENTRAL IOWA BUTLER IN NORTHEAST IOWA BREMER THIS INCLUDES THE CITIES OF ALLISON, APLINGTON, CLARKSVILLE, DUMONT, GREENE, PARKERSBURG, SHELL ROCK, AND WAVERLY. * PRIMARY THREATS INCLUDE... A FEW TORNADOES AND A COUPLE INTENSE TORNADOES POSSIBLE. WIDESPREAD DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75 MPH LIKELY. SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE. $$ Action: Cancelled Issued At: 2026-05-18 00:19:15 335 WWUS63 KDMX 180518 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCHES 216/218/219 NATIONAL WEATHER SERVICE DES MOINES IA 1218 AM CDT MON MAY 18 2026 IAC017-023-180630- /O.CAN.KDMX.TO.A.0216.000000T0000Z-260518T0600Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 216 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 2 COUNTIES IN NORTH CENTRAL IOWA BUTLER IN NORTHEAST IOWA BREMER THIS INCLUDES THE CITIES OF ALLISON, APLINGTON, CLARKSVILLE, DUMONT, GREENE, PARKERSBURG, SHELL ROCK, AND WAVERLY. $$ IAC013-039-075-099-121-127-153-159-171-173-175-181-180630- /O.CAN.KDMX.TO.A.0218.000000T0000Z-260518T0800Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 218 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 12 COUNTIES IN CENTRAL IOWA GRUNDY JASPER MARSHALL POLK TAMA IN NORTHEAST IOWA BLACK HAWK IN SOUTH CENTRAL IOWA CLARKE MADISON RINGGOLD UNION WARREN IN SOUTHWEST IOWA TAYLOR THIS INCLUDES THE CITIES OF BEDFORD, CARLISLE, CEDAR FALLS, CONRAD, CRESTON, DES MOINES, DIKE, DYSART, EARLHAM, GLADBROOK, GRUNDY CENTER, INDIANOLA, LENOX, MARSHALLTOWN, MOUNT AYR, NEW MARKET, NEWTON, NORWALK, OSCEOLA, REINBECK, TAMA, TOLEDO, TRAER, WATERLOO, WELLSBURG, AND WINTERSET. $$ IAC053-117-123-125-135-157-185-180800- /O.CON.KDMX.TO.A.0218.000000T0000Z-260518T0800Z/ TORNADO WATCH 218 REMAINS VALID UNTIL 3 AM CDT EARLY THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 7 COUNTIES IN CENTRAL IOWA POWESHIEK IN SOUTH CENTRAL IOWA DECATUR LUCAS MAHASKA MARION MONROE WAYNE THIS INCLUDES THE CITIES OF ALBIA, ALLERTON, CHARITON, CORYDON, GRINNELL, HUMESTON, KNOXVILLE, LAMONI, LEON, OSKALOOSA, PELLA, AND SEYMOUR. * PRIMARY THREATS INCLUDE... A COUPLE TORNADOES POSSIBLE. SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80 MPH LIKELY. ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE. $$ IAC007-051-179-180900- /O.CON.KDMX.SV.A.0219.000000T0000Z-260518T0900Z/ SEVERE THUNDERSTORM WATCH 219 REMAINS VALID UNTIL 4 AM CDT EARLY THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 3 COUNTIES IN SOUTH CENTRAL IOWA APPANOOSE IN SOUTHEAST IOWA DAVIS WAPELLO THIS INCLUDES THE CITIES OF BLOOMFIELD, CENTERVILLE, AND OTTUMWA. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WIND GUSTS TO 65 MPH POSSIBLE. A TORNADO OR TWO POSSIBLE. $$ Action: Continued Issued At: 2026-05-18 00:19:15 335 WWUS63 KDMX 180518 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCHES 216/218/219 NATIONAL WEATHER SERVICE DES MOINES IA 1218 AM CDT MON MAY 18 2026 IAC017-023-180630- /O.CAN.KDMX.TO.A.0216.000000T0000Z-260518T0600Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 216 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 2 COUNTIES IN NORTH CENTRAL IOWA BUTLER IN NORTHEAST IOWA BREMER THIS INCLUDES THE CITIES OF ALLISON, APLINGTON, CLARKSVILLE, DUMONT, GREENE, PARKERSBURG, SHELL ROCK, AND WAVERLY. $$ IAC013-039-075-099-121-127-153-159-171-173-175-181-180630- /O.CAN.KDMX.TO.A.0218.000000T0000Z-260518T0800Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 218 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 12 COUNTIES IN CENTRAL IOWA GRUNDY JASPER MARSHALL POLK TAMA IN NORTHEAST IOWA BLACK HAWK IN SOUTH CENTRAL IOWA CLARKE MADISON RINGGOLD UNION WARREN IN SOUTHWEST IOWA TAYLOR THIS INCLUDES THE CITIES OF BEDFORD, CARLISLE, CEDAR FALLS, CONRAD, CRESTON, DES MOINES, DIKE, DYSART, EARLHAM, GLADBROOK, GRUNDY CENTER, INDIANOLA, LENOX, MARSHALLTOWN, MOUNT AYR, NEW MARKET, NEWTON, NORWALK, OSCEOLA, REINBECK, TAMA, TOLEDO, TRAER, WATERLOO, WELLSBURG, AND WINTERSET. $$ IAC053-117-123-125-135-157-185-180800- /O.CON.KDMX.TO.A.0218.000000T0000Z-260518T0800Z/ TORNADO WATCH 218 REMAINS VALID UNTIL 3 AM CDT EARLY THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 7 COUNTIES IN CENTRAL IOWA POWESHIEK IN SOUTH CENTRAL IOWA DECATUR LUCAS MAHASKA MARION MONROE WAYNE THIS INCLUDES THE CITIES OF ALBIA, ALLERTON, CHARITON, CORYDON, GRINNELL, HUMESTON, KNOXVILLE, LAMONI, LEON, OSKALOOSA, PELLA, AND SEYMOUR. * PRIMARY THREATS INCLUDE... A COUPLE TORNADOES POSSIBLE. SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80 MPH LIKELY. ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE. $$ IAC007-051-179-180900- /O.CON.KDMX.SV.A.0219.000000T0000Z-260518T0900Z/ SEVERE THUNDERSTORM WATCH 219 REMAINS VALID UNTIL 4 AM CDT EARLY THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 3 COUNTIES IN SOUTH CENTRAL IOWA APPANOOSE IN SOUTHEAST IOWA DAVIS WAPELLO THIS INCLUDES THE CITIES OF BLOOMFIELD, CENTERVILLE, AND OTTUMWA. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WIND GUSTS TO 65 MPH POSSIBLE. A TORNADO OR TWO POSSIBLE. $$ Action: Cancelled Issued At: 2026-05-18 01:00:46 391 WWUS63 KDMX 180600 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCHES 218/219 NATIONAL WEATHER SERVICE DES MOINES IA 100 AM CDT MON MAY 18 2026 IAC053-117-123-125-135-157-185-180700- /O.CAN.KDMX.TO.A.0218.000000T0000Z-260518T0800Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 218 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 7 COUNTIES IN CENTRAL IOWA POWESHIEK IN SOUTH CENTRAL IOWA DECATUR LUCAS MAHASKA MARION MONROE WAYNE THIS INCLUDES THE CITIES OF ALBIA, ALLERTON, CHARITON, CORYDON, GRINNELL, HUMESTON, KNOXVILLE, LAMONI, LEON, OSKALOOSA, PELLA, AND SEYMOUR. $$ IAC007-051-179-180900- /O.CON.KDMX.SV.A.0219.000000T0000Z-260518T0900Z/ SEVERE THUNDERSTORM WATCH 219 REMAINS VALID UNTIL 4 AM CDT EARLY THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 3 COUNTIES IN SOUTH CENTRAL IOWA APPANOOSE IN SOUTHEAST IOWA DAVIS WAPELLO THIS INCLUDES THE CITIES OF BLOOMFIELD, CENTERVILLE, AND OTTUMWA. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WIND GUSTS TO 65 MPH POSSIBLE. A TORNADO OR TWO POSSIBLE. $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||