One product issued by NWS for: Grenville SD
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Aberdeen SD 1157 AM CDT Fri Jul 18 2025 MNZ039-046-SDZ008-011-018>023-191700- Traverse-Big Stone-Roberts-Day-Spink-Clark-Codington-Grant-Hamlin- Deuel- 1157 AM CDT Fri Jul 18 2025 This Hazardous Weather Outlook is for west central Minnesota and northeast South Dakota. .DAY ONE...This afternoon and tonight. There is a marginal to slight risk, levels 1 to 2 of 5, for severe storms from mid afternoon into early this evening. Hail of 1 inch in diameter and winds of 60 miles per hour are the main threats. A tornado may also be possible with these storms, mainly south and east of Watertown. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. There is a marginal risk, level 1 out of 5, for severe weather late Sunday afternoon into Sunday night. Hail of 1 inch in diameter and winds of 60 miles per hour are the main threats. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be needed. Weather spotters are encouraged to submit reports to the National Weather Service in Aberdeen. The public can submit reports on our web page, Facebook page, or our X feed. $$