Excessive Heat, Lyman
- When
- August 2, 12:00 PM CST to 7:00 PM CST
- Where
- Lyman forecast zone
- Reported by
- Mesonet
- Coordinates
- 43.896, -99.847 (the zone’s center; the record gives no point)
Excessive Heat in South Dakota, August 2 to 3, 2024
High heat and humidity moved into the region during the early days of August. High temperatures in the upper 90s to low 100s were widespread across central, north central and northeast South Dakota on both August 2nd and 3rd.
Where it happened
Every event with a place to put it; 14 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 14
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS ABR wrote it up.
High heat and humidity moved into the region during the early days of August. High temperatures in the upper 90s to low 100s were widespread across central, north central and northeast South Dakota on both August 2nd and 3rd. A peak high temperature of 104 degrees was recorded at the South Dakota State University Mesonet stations 7 miles southwest of Hayes and 16 miles east southeast of Pierre on August 3rd. Dewpoints across much of northeast South Dakota were also well into the 70s with a few locations topping an 80 degree dewpoint. Heat index values reached 110 degrees at Stratford and Millette on Friday August 2nd and 113 degrees in Redfield on Saturday August 3rd.
The radar
The national radar mosaic for the moment the first event began.
Event by event
14 excessive heat. Local standard time, as filed.
Excessive Heat, Hamlin
- When
- August 2, 12:00 PM CST to 7:00 PM CST
- Where
- Hamlin forecast zone
- Reported by
- Mesonet
- Coordinates
- 44.674, -97.188 (the zone’s center; the record gives no point)
Excessive Heat, Clark
- When
- August 2, 12:00 PM CST to 7:00 PM CST
- Where
- Clark forecast zone
- Reported by
- Mesonet
- Coordinates
- 44.858, -97.729 (the zone’s center; the record gives no point)
Excessive Heat, Deuel
- When
- August 2, 12:00 PM CST to 7:00 PM CST
- Where
- Deuel forecast zone
- Reported by
- Mesonet
- Coordinates
- 44.760, -96.668 (the zone’s center; the record gives no point)
Excessive Heat, Hughes
- When
- August 2, 12:00 PM CST to August 3, 7:00 PM CST
- Where
- Hughes forecast zone
- Reported by
- Mesonet
- Coordinates
- 44.389, -99.996 (the zone’s center; the record gives no point)
Excessive Heat, Hyde
- When
- August 2, 12:00 PM CST to August 3, 7:00 PM CST
- Where
- Hyde forecast zone
- Reported by
- Mesonet
- Coordinates
- 44.547, -99.487 (the zone’s center; the record gives no point)
Excessive Heat, Hand
- When
- August 2, 12:00 PM CST to August 3, 7:00 PM CST
- Where
- Hand forecast zone
- Reported by
- Mesonet
- Coordinates
- 44.548, -99.005 (the zone’s center; the record gives no point)
Excessive Heat, Faulk
- When
- August 2, 12:00 PM CST to August 3, 7:00 PM CST
- Where
- Faulk forecast zone
- Reported by
- Mesonet
- Coordinates
- 45.071, -99.145 (the zone’s center; the record gives no point)
Excessive Heat, Spink
- When
- August 2, 12:00 PM CST to August 3, 7:00 PM CST
- Where
- Spink forecast zone
- Reported by
- AWOS
- Coordinates
- 44.938, -98.346 (the zone’s center; the record gives no point)
Excessive Heat, Brown
- When
- August 2, 12:00 PM CST to August 3, 7:00 PM CST
- Where
- Brown forecast zone
- Reported by
- Mesonet
- Coordinates
- 45.590, -98.352 (the zone’s center; the record gives no point)
Excessive Heat, Grant
- When
- August 2, 12:00 PM CST to August 3, 7:00 PM CST
- Where
- Grant forecast zone
- Reported by
- AWOS
- Coordinates
- 45.172, -96.768 (the zone’s center; the record gives no point)
Excessive Heat, Buffalo
- When
- August 2, 12:00 PM CST to August 3, 7:00 PM CST
- Where
- Buffalo forecast zone
- Reported by
- Mesonet
- Coordinates
- 44.076, -99.205 (the zone’s center; the record gives no point)
Excessive Heat, Marshall
- When
- August 3, 12:00 PM CST to 7:00 PM CST
- Where
- Marshall forecast zone
- Reported by
- Mesonet
- Coordinates
- 45.759, -97.598 (the zone’s center; the record gives no point)
Excessive Heat, Day
- When
- August 3, 12:00 PM CST to 7:00 PM CST
- Where
- Day forecast zone
- Reported by
- Mesonet
- Coordinates
- 45.367, -97.607 (the zone’s center; the record gives no point)
What these are
- Excessive Heat
- Heat at or above the local excessive heat warning criteria, or heat that caused deaths.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flash Flood and Damaging Winds in Utah, August 2 to 4, 2024
- Heat in Arizona, August 2, 2024
- Damaging Winds in Maryland, August 2, 2024
- Damaging Winds in Alabama, August 2, 2024
- Damaging Winds in Virginia, August 2, 2024
- Damaging Winds in North Carolina, August 2, 2024
- Damaging Winds in Arizona, August 2, 2024
- Marine Thunderstorm Winds in North Atlantic Coastal Waters, August 2, 2024
- Damaging Winds in North Carolina, August 2, 2024
- Damaging Winds and Lightning Strike in Alabama, August 2, 2024
- Flash Flood and Damaging Winds in Virginia, August 2, 2024
- Excessive Heat and Heat in South Dakota, August 2 to 3, 2024
More
Every storm in South Dakota in 2024Every state in 2024This day in weather historyWarnings in South Dakota, August 2024
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1200819, 1200820, 1200821, 1200822, 1200825, 1200826, 1200827, 1200828, 1200829, 1200830, 1200831, 1200832, 1200823, 1200824.