Heat Advisory for Sioux; O'Brien; Clay +11 more
Official alert fields
What you need to know
- Effective
- Ended
- Official severity
- Moderate
- Official urgency
- Expected
- Official certainty
- Likely
What is happening
Temperatures have begun to cool this evening, dropping heat indices below 100F. However, warm overnight lows and remaining humidity will keep heat indices in the 70s overnight.
What the bulletin says to do
No separate action instruction was included in this NWS record. Read the complete official bulletin and follow local authorities.
Lifecycle record
Official revisions
- Update
Heat Advisory issued July 27 at 7:56PM CDT until July 27 at 8:00PM CDT by NWS Sioux Falls SD
Official revision - Update
Heat Advisory issued July 27 at 2:48PM CDT until July 27 at 8:00PM CDT by NWS Sioux Falls SD
Official revision - Update
Heat Advisory issued July 27 at 7:51AM CDT until July 27 at 8:00PM CDT by NWS Sioux Falls SD
Official revision - Update
Heat Advisory issued July 27 at 4:10AM CDT until July 27 at 8:00PM CDT by NWS Sioux Falls SD
Official revision - Alert
Heat Advisory issued July 26 at 8:53PM CDT until July 27 at 8:00PM CDT by NWS Sioux Falls SD
Official revision - Update
Heat Advisory issued July 26 at 8:53PM CDT until July 27 at 8:00PM CDT by NWS Sioux Falls SD
Official revision - Alert
Heat Advisory issued July 26 at 12:39PM CDT until July 27 at 8:00PM CDT by NWS Sioux Falls SD
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Sioux Falls SD. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Update
- Last collected