National Weather Service United States Department of Commerce

Risk of Thunderstorms Tuesday Afternoon and Evening

Event Overview:  Strong to severe storms are expected Tuesday afternoon and evening. Large hail, damaging winds, and even a few tornadoes may be possible.  These storms will slowly move east Tuesday evening, and the severe weather risk should diminish by midnight.  The prime time for severe storms will be between 4pm and 12am. 

 

Severe Weather Hazards
Day 1 | Day 2 | Day 3
    Flooding Hazards
Day 1 | Day 2 | Day 3
Fire Weather Hazards
Day 1 | Day 2 | Day 3

Latest Hazardous Weather Outlook


273
FLUS43 KFSD 190920
HWOFSD

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
420 AM CDT Sun Jul 19 2026

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ039-040-054>056-061-062-066-067-070-071-200930-
Lyon-Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Kingsbury-Brookings-Miner-Lake-Moody-
McCook-Minnehaha-Turner-Union-
420 AM CDT Sun Jul 19 2026

This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, east central South
Dakota and southeast South Dakota.

.DAY ONE...Today and tonight.

Isolated strong to severe storms are possible Sunday night with wind
gusts up to 65 mph as the main threat.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Heat increases through early next week with highs Monday well into
the 90s and possibly around 100 south of I-90.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

SDZ038-050-052-053-057>060-063>065-068-069-200930-
Beadle-Gregory-Jerauld-Sanborn-Brule-Aurora-Davison-Hanson-
Charles Mix-Douglas-Hutchinson-Bon Homme-Yankton-
420 AM CDT Sun Jul 19 2026

This Hazardous Weather Outlook is for central South Dakota, east
central South Dakota, south central South Dakota and southeast
South Dakota.

.DAY ONE...Today and tonight.

Scattered showers with isolated thunderstorms will be possible this
morning, but severe weather is not expected. Isolated strong to
severe storms will be possible this evening with wind gusts up to 65
mph as the main threat.

Dangerous heat is expected this afternoon as heat index values top
out in the low 100s.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Another chance for 100+ heat indices is in store for Monday,
especially south of I-90.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$