Regional Weather Summary
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997
NZUS01 KTFX 042233
RWSGTF
MTZ008>015-044>055-051200-

REGIONAL WEATHER SYNOPSIS
NATIONAL WEATHER SERVICE GREAT FALLS MT
425 PM MDT WED MAY 4 2016

SCATTERED CLOUDS WILL INCREASE OVER THE REGION OVERNIGHT UNDER AN
INCREASINGLY MOIST AND UNSTABLE SOUTHERLY FLOW ALOFT AHEAD OF A
PACIFIC LOW PRESSURE TROUGH. AS THE TROUGH MOVES ONTO THE PACIFIC
COAST THURSDAY INTO THURSDAY EVENING, SCATTERED SHOWERS AND
THUNDERSTORMS WILL SPREAD EAST ACROSS THE REGION. THE TROUGH WILL
THEN STALL OVER THE WESTERN UNITED STATES THURSDAY NIGHT INTO
FRIDAY. A PASSING CANADIAN COLD FRONT WILL THEN BRING COOLER
TEMPERATURES AND AN INCREASED CHANCE OF SHOWERS TO NORTH CENTRAL
MONTANA THURSDAY NIGHT, THEN TO SOUTHWEST MONTANA ON FRIDAY, WITH A
CHANCE OF THUNDERSTORMS FRIDAY AFTERNOON.

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