916
FXUS65 KPIH 080928
AFDPIH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO ID
328 AM MDT WED APR 8 2020
SHORT TERM
TODAY THROUGH FRIDAY NIGHT.
EXPECT NICE WEATHER THROUGH THE PERIOD, DRY AND MOSTLY
SUNNY, AS SOUTHEAST IDAHO WILL BE IN-BETWEEN TWO UPPER LEVEL
LOWS. ONE UPPER LEVEL LOW IS LOCATED OVER SOUTHERN CA AND ONE
OVER CENTRAL CANADA. EARLY THIS MORNING, VERY PATCHY FOG IS
POSSIBLE, AS THE AREA CLEARS OUT AFTER HAVING A WET PERIOD. WEAK
HIGH PRESSURE BETWEEN THESE TWO UPPER LEVEL LOWS WILL BUILD IN
FROM THE WEST OVER SOUTHEAST IDAHO THE NEXT COUPLE OF DAYS. HIGH
TEMPERATURES WILL APPROACH 70 DEGREES FOR THE MAGIC VALLEY AND THE
SOUTHERN SNAKE PLAIN BY THURSDAY.
TW
LONG TERM
SATURDAY THROUGH WEDNESDAY.
EXPECTING A BIG PATTERN CHANGE IN THE LONG TERM AS A CANADIAN UPPER
LEVEL TROF AND ASSOCIATED COLD FRONT WILL MOVE THROUGH SOUTHEAST
IDAHO. EXPECT TEMPERATURES TO BEGIN TO COOL ON SATURDAY AHEAD OF
THE FRONT WITH A CHANCE FOR THUNDERSTORMS STILL IN THE WARMER
AIRMASS. THE FRONT IS EXPECTED TO PUSH THROUGH THE ENTIRE REGION
SATURDAY NIGHT AND SNOW LEVELS WILL DROP FROM AROUND 7 TO 8 THOUSAND
FEET EARLY SATURDAY TO VALLEY FLOORS BY SUNDAY MORNING. THE MAIN
IMPACT SHOULD BE MUCH COLDER TEMPERATURES WITH HIGH TEMPERATURES 10
TO 15 DEGREES BELOW NORMAL BY SUNDAY AND CONTINUING MONDAY.
SIGNIFICANT SNOWFALL IS NOT EXPECTED. TEMPERATURES SHOULD WARM UP
TO NEAR NORMAL BY WEDNESDAY. MONDAY AND TUESDAY SHOULD BE
RELATIVELY DRY WITH ONLY SOME LIGHT PRECIPITATION IN THE EASTERN
HIGHLANDS. MODELS DIVERGE WEDNESDAY WITH GFS DRY AND EUROPEAN
WETTER. GRIDS TRENDED MORE TOWARD EUROPEAN SOLUTION.
GK
AVIATION
WILL HAVE VFR CONDITIONS THROUGH THURSDAY WITH CLEAR SKIES EXPECTED
TODAY. WINDS WILL GENERALLY STAY UNDER 10 KNOTS AS WELL TODAY.
GK
PIH WATCHES/WARNINGS/ADVISORIES
NONE.
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