HAZARDOUS WEATHER OUTLOOK
Issue Date: 245 PM MST SUN DEC 20 2009
Expiration: 245 PM MST MON DEC 21 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...SOUTH CENTRAL MONTANA...SOUTHEAST MONTANA AND NORTH
CENTRAL WYOMING.
.DAY ONE...TONIGHT
SCATTERED AREAS OF RAIN...SNOW AND LOCALIZED FREEZING RAIN ARE
EXPECTED TO DEVELOP AGAIN ACROSS THE REGION TONIGHT. AN INCH OR
TWO OF NEW SNOW ACCUMULATION IS POSSIBLE OVERNIGHT...ESPECIALLY
FROM MUSSELSHELL COUNTY EASTWARD ACROSS NORTHERN ROSEBUD AND
CUSTER COUNTIES.
.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
AREAS OF LIGHT SNOWFALL WILL CONTINUE MONDAY...MAINLY NORTH AND
EAST OF BILLINGS. A COUPLE OF INCHES OF TOTAL SNOWFALL IS
POSSIBLE BY MONDAY EVENING.
A STRONGER STORM SYSTEM IS EXPECTED TO AFFECT THE REGION BY
LATE TUESDAY AS COLD AIR SURGES INTO THE AREA FROM THE NORTHWEST
BRINGING SNOW AND BRISK WINDS. SNOW WILL LIKELY INCREASE TUESDAY
NIGHT INTO WEDNESDAY. THE ARRIVAL OF THE COLD AIR AND
PRECIPITATION ON TUESDAY NIGHT WILL CAUSE RAPIDLY DETERIORATING
ROADWAYS. CHALLENGING DRIVING CONDITIONS ARE EXPECTED WEDNESDAY AS
SNOWFALL CONTINUES ON THIS BUSY TRAVEL DAY. EXPECT FALLING
TEMPERATURES ON WEDNESDAY WITH READINGS NEAR ZERO BY THURSDAY
MORNING.
HOLIDAY TRAVEL MAY BE SIGNIFICANTLY HINDERED AT MID WEEK BY THIS
STORM...INCLUDING THE INTERSTATE 90 CORRIDOR FROM BILLINGS TO
SHERIDAN. PEOPLE PLANNING TRAVEL WILL NEED TO STAY INFORMED ON
THE LATEST FORECASTS AND BE PREPARED TO ALLOW EXTRA TIME TO
COMPLETE TRAVEL THIS WEEK.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
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