Musselshell; Treasure; Northern Rosebud; Northern Stillwater; Powder River; Northern Park; Golden Valley; Red Lodge Foothills; Northern Big Horn; Southern Rosebud; Judith Gap; Paradise Valley; Livingston Area; Beartooth Foothills; Absaroka/Beartooth Mountains; Crazy Mountains; Southern Big Horn; Southeastern Carbon; Northern Sweet Grass; Bighorn Canyon; Northern Carbon; Pryor/Northern Bighorn Mountains; Melville Foothills; Northeastern Yellowstone; Southern Wheatland; Southwestern Yellowstone; Northeast Bighorn Mountains; Sheridan Foothills
Flood Watch issued September 17 at 7:33PM MDT until September 20 at 6:00PM MDT by NWS Billings MT
Flood Watch · Expires: Sep 19, 2026 01:45 UTC
Severity: Severe Urgency: Future Certainty: Possible Updated: Sep 18, 2026 07:45 UTC
Active / Indexed
Timing
- SentSep 18, 2026 01:33 UTC
- OnsetSep 19, 2026 00:00 UTC
- ExpiresSep 19, 2026 01:45 UTC
Affected areas
This advisory may be issued as multiple alerts with different affected areas. Below are the official area texts grouped into one page.