Bozeman, MT Hazardous Weather Outlook

Bozeman, Montana

HAZARDOUS WEATHER OUTLOOK
Issue Date: 508 PM MDT FRI AUG 29 2008
Expiration: 500 AM MST SAT AUG 30 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
MONTANA.

.DAY ONE...TONIGHT

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER THROUGH TONIGHT
IS LOW.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

GUSTY SOUTHWEST WINDS AND VERY DRY CONDITIONS WILL DEVELOP OVER
SOUTHWEST MONTANA ON SATURDAY. ISOLATED THUNDERSTORMS WILL ALSO
DEVELOP OVER THE AREA SATURDAY AFTERNOON ALONG AND AHEAD OF AN
APPROACHING COLD FRONT ASSOCIATED WITH A STRONG PACIFIC STORM
SYSTEM. SOME OF THESE STORMS MAY PRODUCE STRONG WIND GUSTS.
THEREFORE...A RED FLAG WARNING IS IN EFFECT FROM NOON MDT TO 9 PM
MDT SATURDAY FOR MOST OF SOUTHWEST MONTANA. AFTER PASSAGE OF THE
COLD FRONT SATURDAY EVENING...RELATIVE HUMIDITIES WILL INCREASE
AND WINDS WILL DECREASE. THE CHANCE FOR THUNDERSTORMS WILL
INCREASE SATURDAY NIGHT AS WELL...BUT THERE IS A BETTER CHANCE
FOR PRECIPITATION WITH THEM.

THIS STRONG AND MOIST PACIFIC STORM SYSTEM WILL THEN MOVE INTO
THE NORTHERN ROCKIES ON SUNDAY...BRINGING MUCH COOLER TEMPERATURES
AND WIDESPREAD PRECIPITATION TO NORTH CENTRAL...CENTRAL...AND
SOUTHWEST MONTANA FOR SUNDAY INTO LABOR DAY. AFTERNOON HIGH
TEMPERATURES SUNDAY AND MONDAY WILL ONLY REACH INTO THE 50S AND
60S AT THE LOWER ELEVATIONS...WHILE MOUNTAIN LOCATIONS WILL MAINLY
HAVE HIGHS IN THE 40S. BY SUNDAY NIGHT...SNOW LEVELS WILL FALL TO
AROUND 6000 FEET OVER NORTHERN PORTIONS OF CENTRAL
MONTANA...INCLUDING THE GLACIER NATIONAL PARK AREA...WITH SNOW
LEVELS FALLING TO AROUND 8000 FEET OVER SOUTHWEST MONTANA BY
MONDAY. SEVERAL INCHES OF SNOW ACCUMULATION WILL BE POSSIBLE
AT THE HIGHER ELEVATIONS ALONG THE CONTINENTAL DIVIDE FROM HIGHWAY
200 NORTH TO THE CANADIAN BORDER DURING THIS PERIOD...AS WELL AS
ON THE HIGHER PEAKS OF SOUTHWEST MONTANA. TRAVELERS AND THOSE
WITH OUTDOOR RECREATION PLANS THIS WEEKEND...ESPECIALLY IN THE
BACK COUNTRY AND AT HIGHER ELEVATIONS...SHOULD BE PREPARED FOR
MUCH COOLER AND WETTER CONDITIONS SUNDAY AND MONDAY WITH WINTRY
CONDITIONS POSSIBLE AT HIGHER ELEVATIONS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.