073
FLUS43 KFSD 200942
HWOFSD
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
442 AM CDT MON JUL 20 2026
MNZ071-072-080-081-089-090-097-098-SDZ038>040-052>062-210945-
LINCOLN-LYON-MURRAY-COTTONWOOD-NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-
KINGSBURY-BROOKINGS-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-
DAVISON-HANSON-MCCOOK-MINNEHAHA-
442 AM CDT MON JUL 20 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST MINNESOTA, CENTRAL
SOUTH DAKOTA, EAST CENTRAL SOUTH DAKOTA, SOUTH CENTRAL SOUTH DAKOTA
AND SOUTHEAST SOUTH DAKOTA.
DAY ONE
TODAY AND TONIGHT.
BUILDING HEAT AND HUMIDITY WILL LEAD TO HEAT INDEX VALUES IN THE
LOW TO UPPER 90S THIS AFTERNOON.
A BRIEF RETURN OF WILDFIRE SMOKE COULD LEAD TO TEMPORARY REDUCTIONS
IN VISIBILITY AND AIR QUALITY THROUGH THIS EVENING.
DAYS TWO THROUGH SEVEN
TUESDAY THROUGH SUNDAY.
NO HAZARDOUS WEATHER EXPECTED AT THIS TIME.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
IAZ001>003-012>014-SDZ050-063>069-210945-
LYON-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY-GREGORY-CHARLES MIX-
DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME-YANKTON-
442 AM CDT MON JUL 20 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST IOWA, SOUTH CENTRAL
SOUTH DAKOTA AND SOUTHEAST SOUTH DAKOTA.
DAY ONE
TODAY AND TONIGHT.
DANGEROUS HEAT IS EXPECTED THIS AFTERNOON WITH HEAT INDEX VALUES IN
THE LOW 100S. MAKE SURE TO TAKE THE APPROPRIATE PRECAUTIONS TO AVOID
HEAT RELATED ILLNESSES.
A BRIEF RETURN OF WILDFIRE SMOKE COULD LEAD TO TEMPORARY REDUCTIONS
IN VISIBILITY AND AIR QUALITY THROUGH THIS EVENING.
DAYS TWO THROUGH SEVEN
TUESDAY THROUGH SUNDAY.
NO HAZARDOUS WEATHER EXPECTED AT THIS TIME.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
IAZ020>022-031-032-NEZ013-014-SDZ070-071-210945-
PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA-CLAY-UNION-
442 AM CDT MON JUL 20 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST IOWA, WEST CENTRAL
IOWA, NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA.
DAY ONE
TODAY AND TONIGHT.
DANGEROUS HEAT IS EXPECTED THIS AFTERNOON WITH HEAT INDEX VALUES
BETWEEN 100 TO 110 DEGREES. MAKE SURE TO STAY HYDRATED AND TO AVOID
STRENUOUS ACTIVITIES.
A BRIEF RETURN OF WILDFIRE SMOKE COULD LEAD TO TEMPORARY REDUCTIONS
IN VISIBILITY AND AIR QUALITY THIS EVENING.
DAYS TWO THROUGH SEVEN
TUESDAY THROUGH SUNDAY.
NO HAZARDOUS WEATHER EXPECTED AT THIS TIME.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
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