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Home Return to list Severe Thunderstorm Watch 0674 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-09-20 22:01:40 104 WWUS65 KBOU 210301 WCNBOU WATCH COUNTY NOTIFICATION FOR WATCH 674 NATIONAL WEATHER SERVICE DENVER/BOULDER CO 901 PM MDT SUN SEP 20 2026 COC001-005-031-035-039-073-210900- /O.NEW.KBOU.SV.A.0674.260921T0301Z-260921T0900Z/ THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 674 IN EFFECT UNTIL 3 AM MDT MONDAY FOR THE FOLLOWING AREAS IN COLORADO THIS WATCH INCLUDES 6 COUNTIES IN EAST CENTRAL COLORADO ELBERT LINCOLN IN NORTHEAST COLORADO ADAMS ARAPAHOE DENVER DOUGLAS THIS INCLUDES THE CITIES OF AURORA, CASTLE ROCK, CENTENNIAL, DENVER, DENVER INTERNATIONAL AIRPORT, ELIZABETH, KIOWA, LIMON, PARKER, THORNTON, AND WESTMINSTER. $$ BRQ Action: Cancelled Issued At: 2026-09-21 00:26:14 494 WWUS65 KBOU 210525 WCNBOU WATCH COUNTY NOTIFICATION FOR WATCH 674 NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1125 PM MDT SUN SEP 20 2026 COC001-005-031-035-210630- /O.CAN.KBOU.SV.A.0674.000000T0000Z-260921T0900Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH 674 FOR THE FOLLOWING AREAS IN COLORADO THIS CANCELS 4 COUNTIES IN NORTHEAST COLORADO ADAMS ARAPAHOE DENVER DOUGLAS THIS INCLUDES THE CITIES OF AURORA, CASTLE ROCK, CENTENNIAL, DENVER, DENVER INTERNATIONAL AIRPORT, PARKER, THORNTON, AND WESTMINSTER. $$ COC039-073-210900- /O.CON.KBOU.SV.A.0674.000000T0000Z-260921T0900Z/ SEVERE THUNDERSTORM WATCH 674 REMAINS VALID UNTIL 3 AM MDT MONDAY FOR THE FOLLOWING AREAS IN COLORADO THIS WATCH INCLUDES 2 COUNTIES IN EAST CENTRAL COLORADO ELBERT LINCOLN THIS INCLUDES THE CITIES OF ELIZABETH, KIOWA, AND LIMON. $$ BRQ Action: Continued Issued At: 2026-09-21 00:26:14 494 WWUS65 KBOU 210525 WCNBOU WATCH COUNTY NOTIFICATION FOR WATCH 674 NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1125 PM MDT SUN SEP 20 2026 COC001-005-031-035-210630- /O.CAN.KBOU.SV.A.0674.000000T0000Z-260921T0900Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH 674 FOR THE FOLLOWING AREAS IN COLORADO THIS CANCELS 4 COUNTIES IN NORTHEAST COLORADO ADAMS ARAPAHOE DENVER DOUGLAS THIS INCLUDES THE CITIES OF AURORA, CASTLE ROCK, CENTENNIAL, DENVER, DENVER INTERNATIONAL AIRPORT, PARKER, THORNTON, AND WESTMINSTER. $$ COC039-073-210900- /O.CON.KBOU.SV.A.0674.000000T0000Z-260921T0900Z/ SEVERE THUNDERSTORM WATCH 674 REMAINS VALID UNTIL 3 AM MDT MONDAY FOR THE FOLLOWING AREAS IN COLORADO THIS WATCH INCLUDES 2 COUNTIES IN EAST CENTRAL COLORADO ELBERT LINCOLN THIS INCLUDES THE CITIES OF ELIZABETH, KIOWA, AND LIMON. $$ BRQ Action: Cancelled Issued At: 2026-09-21 02:04:17 489 WWUS65 KBOU 210703 WCNBOU WATCH COUNTY NOTIFICATION FOR WATCH 674 NATIONAL WEATHER SERVICE DENVER/BOULDER CO 103 AM MDT MON SEP 21 2026 COC039-073-210815- /O.CAN.KBOU.SV.A.0674.000000T0000Z-260921T0900Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH 674 FOR THE FOLLOWING AREAS IN COLORADO THIS CANCELS 2 COUNTIES IN EAST CENTRAL COLORADO ELBERT LINCOLN THIS INCLUDES THE CITIES OF ELIZABETH, KIOWA, AND LIMON. $$ BRQ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||