< Montana Hydrologic Outlook - Unknown | Effective 05/28/2026 12:51

Montana Hydrologic Outlook - Unknown | Effective 05/28/2026 12:51

Headline: 
Hydrologic Outlook issued May 28 at 1:51PM MDT by NWS Missoula MT
Event: 
Hydrologic Outlook
Urgency: 
Future
Effective: 
May 28, 2026 - 12:51pm
Expires: 
May 29, 2026 - 11:00am
Description: 
ESFMSO What: Widespread Moderate to Heavy Precipitation Where: Western Montana Counties: Flathead, Lake, Missoula, Powell, Granite, Ravalli, Deer Lodge, and Silver Bow Timing: Saturday May 30 through Monday June 1, 2026 Relevant factors: Total precipitation amounts of 1 to 3 inches with locally higher amounts possible in higher terrain along the divide. Ongoing snowmelt and recent precipitation has kept stream and river levels rising. Anticipate further rises in local waterways, rockfall and mudslide potential in steep terrain, as well as possible urban and low-land flooding. The Clark Fork River near Missoula is currently forecast to reach near 8 feet by Monday afternoon, June 1. The Flathead River near Columbia Falls is currently forecast to reach near 14 feet by Tuesday night, June 2. Additional information will be provided at or before Noon MDT on May 29th.
Area Description: 
Deer Lodge, MT; Flathead, MT; Granite, MT; Lake, MT; Missoula, MT; Powell, MT; Ravalli, MT; Silver Bow, MT
Forcast Office: 
NWS Missoula MT
Sender: 
w-nws.webmaster@noaa.gov