Montana Unknown Hydrologic Outlook | Effective 09/07/2026 03:02

Headline: 
Hydrologic Outlook issued September 7 at 4:02AM MDT by NWS Missoula MT
Event: 
Hydrologic Outlook
Urgency: 
Future
Effective: 
September 7, 2026 - 3:02am
Expires: 
September 8, 2026 - 3:15am
Description: 
ESFMSO What: Widespread moderate rainfall over a prolonged period of time. Storm total amounts between 1 to 2 inches for valleys and 2 to 3 inches for the mountains. Where: Flathead and Lake Counties in northwest Montana, including Glacier National Park. Missoula county in west-central Montana. Timing: Continuing through Tuesday morning. The heaviest rainfall rates are anticipated today and tonight. Significant rainfall totals will bring potential for rapid rises on streams and creeks, rock and debris slides and runoff issues in poor drainage areas. Those recreating in the backcountry should take caution on backcountry roadways for falling debris.
Area Description: 
Flathead, MT; Lake, MT; Missoula, MT
Forcast Office: 
NWS Missoula MT
Sender: 
w-nws.webmaster@noaa.gov