|
Home Return to list Severe Thunderstorm Watch 0580 Issued by the Des Moines Forecast Office
Action: New Issued At: 2026-08-13 01:34:40 325 WWUS63 KDMX 130634 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCH 580 NATIONAL WEATHER SERVICE DES MOINES IA 134 AM CDT THU AUG 13 2026 IAC001-003-009-025-027-029-047-073-077-161-175-131300- /O.NEW.KDMX.SV.A.0580.260813T0634Z-260813T1300Z/ THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 580 IN EFFECT UNTIL 8 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 11 COUNTIES IN SOUTH CENTRAL IOWA UNION IN SOUTHWEST IOWA ADAIR ADAMS CASS IN WEST CENTRAL IOWA AUDUBON CALHOUN CARROLL CRAWFORD GREENE GUTHRIE SAC THIS INCLUDES THE CITIES OF ADAIR, ATLANTIC, AUDUBON, BAYARD, CARROLL, CASEY, CORNING, CRESTON, DENISON, EARLY, EXIRA, FONTANELLE, GREENFIELD, GUTHRIE CENTER, JEFFERSON, LAKE CITY, LAKE VIEW, MANSON, ODEBOLT, PANORA, POMEROY, ROCKWELL CITY, SAC CITY, SCHALLER, STUART, AND WALL LAKE. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 85 MPH LIKELY. ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE. PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : 10% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : <02% 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 : 20% PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : <05% PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 90% MEAN STORM MOTION /MPH/ : E 45 $$ Action: Continued Issued At: 2026-08-13 05:51:36 798 WWUS63 KDMX 131051 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCHES 580/581 NATIONAL WEATHER SERVICE DES MOINES IA 551 AM CDT THU AUG 13 2026 IAC015-039-049-075-079-083-099-117-121-123-125-127-135-153-157- 169-171-179-181-187-131600- /O.NEW.KDMX.SV.A.0581.260813T1051Z-260813T1600Z/ THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 581 IN EFFECT UNTIL 11 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 20 COUNTIES IN CENTRAL IOWA BOONE DALLAS GRUNDY HAMILTON HARDIN JASPER MARSHALL POLK POWESHIEK STORY TAMA WEBSTER IN SOUTH CENTRAL IOWA CLARKE LUCAS MADISON MAHASKA MARION MONROE WARREN IN SOUTHEAST IOWA WAPELLO THIS INCLUDES THE CITIES OF ACKLEY, ADEL, ALBIA, AMES, BOONE, CARLISLE, CHARITON, CONRAD, DES MOINES, DIKE, DYSART, EARLHAM, ELDORA, FORT DODGE, GLADBROOK, GRINNELL, GRUNDY CENTER, INDIANOLA, IOWA FALLS, KNOXVILLE, MARSHALLTOWN, NEWTON, NORWALK, OSCEOLA, OSKALOOSA, OTTUMWA, PELLA, PERRY, REINBECK, TAMA, TOLEDO, TRAER, WAUKEE, WEBSTER CITY, WELLSBURG, AND WINTERSET. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 75 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE. A TORNADO OR TWO POSSIBLE. PROBABILITY TABLE: PROB OF 2 OR MORE TORNADOES : 20% PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 05% PROB OF 10 OR MORE SEVERE WIND EVENTS : 60% PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 30% PROB OF 10 OR MORE SEVERE HAIL EVENTS : 20% PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : <05% PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 80% MEAN STORM MOTION /MPH/ : E 50 $$ IAC001-003-009-025-027-029-047-073-077-161-175-131300- /O.CON.KDMX.SV.A.0580.000000T0000Z-260813T1300Z/ SEVERE THUNDERSTORM WATCH 580 REMAINS VALID UNTIL 8 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 11 COUNTIES IN SOUTH CENTRAL IOWA UNION IN SOUTHWEST IOWA ADAIR ADAMS CASS IN WEST CENTRAL IOWA AUDUBON CALHOUN CARROLL CRAWFORD GREENE GUTHRIE SAC THIS INCLUDES THE CITIES OF ADAIR, ATLANTIC, AUDUBON, BAYARD, CARROLL, CASEY, CORNING, CRESTON, DENISON, EARLY, EXIRA, FONTANELLE, GREENFIELD, GUTHRIE CENTER, JEFFERSON, LAKE CITY, LAKE VIEW, MANSON, ODEBOLT, PANORA, POMEROY, ROCKWELL CITY, SAC CITY, SCHALLER, STUART, AND WALL LAKE. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 85 MPH LIKELY. ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE. $$ Action: Cancelled Issued At: 2026-08-13 07:32:09 436 WWUS63 KDMX 131231 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCHES 580/581 NATIONAL WEATHER SERVICE DES MOINES IA 731 AM CDT THU AUG 13 2026 IAC025-027-047-073-161-131345- /O.CAN.KDMX.SV.A.0580.000000T0000Z-260813T1300Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH 580 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 5 COUNTIES IN WEST CENTRAL IOWA CALHOUN CARROLL CRAWFORD GREENE SAC THIS INCLUDES THE CITIES OF CARROLL, DENISON, EARLY, JEFFERSON, LAKE CITY, LAKE VIEW, MANSON, ODEBOLT, POMEROY, ROCKWELL CITY, SAC CITY, SCHALLER, AND WALL LAKE. $$ IAC015-079-083-187-131345- /O.CAN.KDMX.SV.A.0581.000000T0000Z-260813T1600Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH 581 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 4 COUNTIES IN CENTRAL IOWA BOONE HAMILTON HARDIN WEBSTER THIS INCLUDES THE CITIES OF ACKLEY, BOONE, ELDORA, FORT DODGE, IOWA FALLS, AND WEBSTER CITY. $$ IAC001-003-009-029-077-175-131345- /O.EXP.KDMX.SV.A.0580.000000T0000Z-260813T1300Z/ THE NATIONAL WEATHER SERVICE WILL ALLOW SEVERE THUNDERSTORM WATCH 580 TO EXPIRE AT 8 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS ALLOWS TO EXPIRE 6 COUNTIES IN SOUTH CENTRAL IOWA UNION IN SOUTHWEST IOWA ADAIR ADAMS CASS IN WEST CENTRAL IOWA AUDUBON GUTHRIE THIS INCLUDES THE CITIES OF ADAIR, ATLANTIC, AUDUBON, BAYARD, CASEY, CORNING, CRESTON, EXIRA, FONTANELLE, GREENFIELD, GUTHRIE CENTER, PANORA, AND STUART. $$ IAC039-049-075-099-117-121-123-125-127-135-153-157-169-171-179- 181-131600- /O.CON.KDMX.SV.A.0581.000000T0000Z-260813T1600Z/ SEVERE THUNDERSTORM WATCH 581 REMAINS VALID UNTIL 11 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 16 COUNTIES IN CENTRAL IOWA DALLAS GRUNDY JASPER MARSHALL POLK POWESHIEK STORY TAMA IN SOUTH CENTRAL IOWA CLARKE LUCAS MADISON MAHASKA MARION MONROE WARREN IN SOUTHEAST IOWA WAPELLO THIS INCLUDES THE CITIES OF ADEL, ALBIA, AMES, CARLISLE, CHARITON, CONRAD, DES MOINES, DIKE, DYSART, EARLHAM, GLADBROOK, GRINNELL, GRUNDY CENTER, INDIANOLA, KNOXVILLE, MARSHALLTOWN, NEWTON, NORWALK, OSCEOLA, OSKALOOSA, OTTUMWA, PELLA, PERRY, REINBECK, TAMA, TOLEDO, TRAER, WAUKEE, WELLSBURG, AND WINTERSET. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 75 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE. A TORNADO OR TWO POSSIBLE. $$ Action: Expired Issued At: 2026-08-13 07:32:09 436 WWUS63 KDMX 131231 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCHES 580/581 NATIONAL WEATHER SERVICE DES MOINES IA 731 AM CDT THU AUG 13 2026 IAC025-027-047-073-161-131345- /O.CAN.KDMX.SV.A.0580.000000T0000Z-260813T1300Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH 580 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 5 COUNTIES IN WEST CENTRAL IOWA CALHOUN CARROLL CRAWFORD GREENE SAC THIS INCLUDES THE CITIES OF CARROLL, DENISON, EARLY, JEFFERSON, LAKE CITY, LAKE VIEW, MANSON, ODEBOLT, POMEROY, ROCKWELL CITY, SAC CITY, SCHALLER, AND WALL LAKE. $$ IAC015-079-083-187-131345- /O.CAN.KDMX.SV.A.0581.000000T0000Z-260813T1600Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH 581 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 4 COUNTIES IN CENTRAL IOWA BOONE HAMILTON HARDIN WEBSTER THIS INCLUDES THE CITIES OF ACKLEY, BOONE, ELDORA, FORT DODGE, IOWA FALLS, AND WEBSTER CITY. $$ IAC001-003-009-029-077-175-131345- /O.EXP.KDMX.SV.A.0580.000000T0000Z-260813T1300Z/ THE NATIONAL WEATHER SERVICE WILL ALLOW SEVERE THUNDERSTORM WATCH 580 TO EXPIRE AT 8 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS ALLOWS TO EXPIRE 6 COUNTIES IN SOUTH CENTRAL IOWA UNION IN SOUTHWEST IOWA ADAIR ADAMS CASS IN WEST CENTRAL IOWA AUDUBON GUTHRIE THIS INCLUDES THE CITIES OF ADAIR, ATLANTIC, AUDUBON, BAYARD, CASEY, CORNING, CRESTON, EXIRA, FONTANELLE, GREENFIELD, GUTHRIE CENTER, PANORA, AND STUART. $$ IAC039-049-075-099-117-121-123-125-127-135-153-157-169-171-179- 181-131600- /O.CON.KDMX.SV.A.0581.000000T0000Z-260813T1600Z/ SEVERE THUNDERSTORM WATCH 581 REMAINS VALID UNTIL 11 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 16 COUNTIES IN CENTRAL IOWA DALLAS GRUNDY JASPER MARSHALL POLK POWESHIEK STORY TAMA IN SOUTH CENTRAL IOWA CLARKE LUCAS MADISON MAHASKA MARION MONROE WARREN IN SOUTHEAST IOWA WAPELLO THIS INCLUDES THE CITIES OF ADEL, ALBIA, AMES, CARLISLE, CHARITON, CONRAD, DES MOINES, DIKE, DYSART, EARLHAM, GLADBROOK, GRINNELL, GRUNDY CENTER, INDIANOLA, KNOXVILLE, MARSHALLTOWN, NEWTON, NORWALK, OSCEOLA, OSKALOOSA, OTTUMWA, PELLA, PERRY, REINBECK, TAMA, TOLEDO, TRAER, WAUKEE, WELLSBURG, AND WINTERSET. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 75 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE. A TORNADO OR TWO POSSIBLE. $$ Action: Cancelled Issued At: 2026-08-13 07:55:39 871 WWUS63 KDMX 131255 WCNDMX WATCH COUNTY NOTIFICATION FOR WATCHES 580/581 NATIONAL WEATHER SERVICE DES MOINES IA 755 AM CDT THU AUG 13 2026 IAC049-121-131400- /O.CAN.KDMX.SV.A.0581.000000T0000Z-260813T1600Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH 581 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 2 COUNTIES IN CENTRAL IOWA DALLAS IN SOUTH CENTRAL IOWA MADISON THIS INCLUDES THE CITIES OF ADEL, EARLHAM, PERRY, WAUKEE, AND WINTERSET. $$ IAC001-003-009-029-077-175-131400- /O.CAN.KDMX.SV.A.0580.000000T0000Z-260813T1300Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH 580 FOR THE FOLLOWING AREAS IN IOWA THIS CANCELS 6 COUNTIES IN SOUTH CENTRAL IOWA UNION IN SOUTHWEST IOWA ADAIR ADAMS CASS IN WEST CENTRAL IOWA AUDUBON GUTHRIE THIS INCLUDES THE CITIES OF ADAIR, ATLANTIC, AUDUBON, BAYARD, CASEY, CORNING, CRESTON, EXIRA, FONTANELLE, GREENFIELD, GUTHRIE CENTER, PANORA, AND STUART. $$ IAC039-075-099-117-123-125-127-135-153-157-169-171-179-181-131600- /O.CON.KDMX.SV.A.0581.000000T0000Z-260813T1600Z/ SEVERE THUNDERSTORM WATCH 581 REMAINS VALID UNTIL 11 AM CDT THIS MORNING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 14 COUNTIES IN CENTRAL IOWA GRUNDY JASPER MARSHALL POLK POWESHIEK STORY TAMA IN SOUTH CENTRAL IOWA CLARKE LUCAS MAHASKA MARION MONROE WARREN IN SOUTHEAST IOWA WAPELLO THIS INCLUDES THE CITIES OF ALBIA, AMES, CARLISLE, CHARITON, CONRAD, DES MOINES, DIKE, DYSART, GLADBROOK, GRINNELL, GRUNDY CENTER, INDIANOLA, KNOXVILLE, MARSHALLTOWN, NEWTON, NORWALK, OSCEOLA, OSKALOOSA, OTTUMWA, PELLA, REINBECK, TAMA, TOLEDO, TRAER, AND WELLSBURG. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 75 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE. A TORNADO OR TWO POSSIBLE. $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||