127
FXUS65 KBOI 250240
AFDBOI
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
840 PM MDT SUN MAY 24 2020
DISCUSSION
A FEW HIGH CLOUDS ARE MOVING SOUTHEAST ACROSS THE
AREA, AND A FEW CUMULUS ARE STILL OVER THE MOUNTAINS, BUT OVERALL
IT'S BEEN A SUNNY EVENING SO FAR. CLOUDS ARE EXPECTED TO INCREASE
SLIGHTLY OVERNIGHT, BUT NOT ENOUGH TO BRING ANY PRECIPITATION.
FORECAST IS ON TRACK AND NO UPDATES ARE PLANNED AT THIS TIME.
AVIATION
VFR. SCATTERED HIGH CLOUDS THIS EVENING. SURFACE
WINDS: LIGHT WESTERLY WINDS. WINDS ALOFT NEAR 10K FEET MSL:
NORTHWEST 10-20 KT.
PREV DISCUSSION
SHORT TERM...TONIGHT THROUGH TUESDAY NIGHT...A WARMING TREND WILL
RAISE TEMPERATURES TO A FEW DEGREES ABOVE NORMAL ON MONDAY AND
5-10 DEGREES ABOVE NORMAL ON TUESDAY. AN UPPER LEVEL HIGH PRESSURE
RIDGE WILL MOVE OVER THE INTERMOUNTAIN REGION ON MONDAY. THE NORTH
PORTION OF THE RIDGE WILL WEAKEN AS A PACIFIC WEATHER SYSTEM
MOVES INLAND OVER WASHINGTON, NORTHERN IDAHO, AND BRITISH
COLUMBIA, ALLOWING WESTERLY FLOW TO BRING ENOUGH MOISTURE FOR
SHOWERS OVER THE WEST CENTRAL IDAHO MOUNTAINS AND BAKER COUNTY
OREGON MONDAY AFTERNOON THROUGH TUESDAY.
LONG TERM...WEDNESDAY THROUGH SUNDAY...CONTINUED WARMING AS
UPPER RIDGE AMPLIFIES OVER THE WESTERN U.S. HOTTEST DAYS NOW
LOOK LIKE FRIDAY AND SATURDAY WITH TEMPS APPROACHING 100F IN
SOUTHWEST IDAHO AND 80S AND 90S ELSEWHERE. MODELS DEVELOP A
CHANCE OF THUNDERSTORMS IN EASTERN OREGON SATURDAY AFTERNOON
AND EVENING AS A PACIFIC UPPER TROUGH PASSES BY OFF THE
NORTHWEST COAST. SUNDAY LOOKS DRIER AND COOLER AS ANOTHER
PACIFIC TROUGH AT LOWER LATITUDES MOVES TOWARD THE CALIFORNIA
COAST.
BOI WATCHES/WARNINGS/ADVISORIES
ID...NONE.
OR...NONE.
WWW.WEATHER.GOV/BOISE
WWW.FACEBOOK.COM/NWSBOISE
WWW.TWITTER.COM/NWSBOISE
DISCUSSION...SP
AVIATION.....JS
PREV SHORT TERM...JT
PREV LONG TERM....LC
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