< Montana Hydrologic Outlook - Unknown | Effective 05/30/2026 12:43

Montana Hydrologic Outlook - Unknown | Effective 05/30/2026 12:43

Headline: 
Hydrologic Outlook issued May 30 at 1:43PM MDT by NWS Missoula MT
Event: 
Hydrologic Outlook
Urgency: 
Future
Effective: 
May 30, 2026 - 12:43pm
Expires: 
May 31, 2026 - 12:45pm
Description: 
ESFMSO What: Widespread Moderate to Heavy Precipitation Where: West-Central Montana Counties: Missoula, Granite and Powell. Timing: Saturday May 30 through Monday June 1, 2026 Relevant factors: Total precipitation amounts of 0.5 to 2 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.
Area Description: 
Granite, MT; Missoula, MT; Powell, MT
Forcast Office: 
NWS Missoula MT
Sender: 
w-nws.webmaster@noaa.gov