690
FGUS75 KMSO 301943
ESFMSO
MTC039-063-077-311945-
HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE MISSOULA MT
143 PM MDT SAT MAY 30 2026
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.
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