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Severe Thunderstorm Watch

Issued at Thu 4:27 PM May. 28
Issued by: National Weather Service
Description
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 249 IN EFFECT UNTIL 1 AM MDT /MIDNIGHT PDT/ FRIDAY FOR THE FOLLOWING AREAS IN IDAHO THIS WATCH INCLUDES 2 COUNTIES IN CENTRAL IDAHO IDAHO IN PANHANDLE IDAHO CLEARWATER IN MONTANA THIS WATCH INCLUDES 9 COUNTIES IN NORTHWEST MONTANA FLATHEAD LAKE LINCOLN SANDERS IN WEST CENTRAL MONTANA GRANITE MINERAL MISSOULA POWELL RAVALLI THIS INCLUDES THE CITIES OF AHSAHKA, BELKNAP, BELL CROSSING, BEND, BLOSSBURG, BROCK CREEK, BURGDORF, CRESTON, DEER LODGE, DENT, EAST KAMIAH, EDDY, ELLISTON, EUREKA, EVERGREEN, FINN, FLORENCE, FORTINE, GARRISON, GRANGEVILLE, GRANTSDALE, GREER, HAMILTON, HAPPYS INN, HAUGAN, KALISPELL, KEYSTONE, KILA, KOOTENAI FALLS, LAKE MARY RONAN, LAKESIDE, LIBBY, LOZEAU, MACKAY BAR, MARION, MAXVILLE, MISSOULA, OROFINO, PARDEE, PHILIPSBURG, POLSON, PORTERS CORNER, PRINCETON, PROCTOR, QUARTZ, QUIGLEY, RACETRACK, RIVERSIDE, SAINT REGIS, SALTESE, SKALKAHO PASS, SNIDER, SOMERS, STEVENSVILLE, STRYKER, SUPERIOR, THOMPSON FALLS, TREGO, TROUT CREEK, WARREN, WHITE PINE, WINONA, AND WOODSIDE.
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Hydrologic Outlook

Issued at Thu 1:51 PM May. 28
Issued by: National Weather Service
Description

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.

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