Area Forecast Discussion
Issued by NWS Boise, ID

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FXUS65 KBOI 300925
AFDBOI

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
325 AM MDT SUN AUG 30 2015

.SHORT TERM...TODAY THROUGH MONDAY...SHOWERS AND ISOLATED
THUNDERSTORMS FROM BANNER SUMMIT TO CENTRAL OWYHEE COUNTY AT 3 AM
WILL PUSH EAST AND EXIT THE MAGIC VALLEY/CAMAS PRAIRIE BETWEEN 5
AND 7 AM. INSTABILITY IS EXPECTED TO LINGER ACROSS NE OREGON
THROUGH NOON...SW IDAHO THROUGH MID-AFTERNOON...AND THE EASTERN
PAYETTE FOREST UNTIL EARLY EVENING. SO THE NEXT UPPER TROUGH THAT
BRINGS PRECIP FROM THE WEST COAST THIS MORNING...TO ACROSS THE
NORTHERN TIER ZONES THROUGH THIS EVENING WILL ALSO HAVE A SLIGHT
CHANCE OF THUNDERSTORMS. HIGH TEMPERATURES WILL BE DOWN 8-18
DEGREES TODAY AS THE UPPER TROUGH MOVES THROUGH. HIGHS MONDAY THEN
REBOUND BY 2-5 OVER IDAHO AND 6-12 OVER OREGON AS HEIGHTS/THICKNESSES
RISE ON WSW FLOW ALOFT. LOWS TONIGHT WILL BE ABOUT AS COLD AS LAST
SATURDAY MORNING /22 AUG/ WHEN BURNS OREGON GOT DOWN TO FREEZING
WHILE MOST OF THE AG VALLEY LOWS WERE IN THE 50S. DRY WEATHER WILL
RETURN TO THROUGHOUT THE AREA LATE EVENING THROUGH MONDAY. UPPER
LEVEL FLOW WILL AGAIN ALLOW FOR AREAS OF SMOKE ACROSS NE OREGON
AND CENTRAL IDAHO ESPECIALLY NEAR ONGOING FIRES.

.LONG TERM...MONDAY NIGHT THROUGH SUNDAY...THERE WILL BE A COOLING
TREND THROUGH FRIDAY...THEN WARMING OVER THE WEEKEND. MODELS AGREE
ON AN UPPER LEVEL TROUGH DEEPENING SOUTHWARD OVER THE COAST TUESDAY
AND WEDNESDAY THEN MOVING INLAND OVER THE NORTHERN INTERMOUNTAIN
AREA THURSDAY AND FRIDAY. THE COOLEST DAYS WILL BE THURSDAY AND
FRIDAY WITH HIGHS AROUND 10 DEGREES BELOW NORMAL. A WARMING TREND IS
EXPECTED OVER THE WEEKEND AS THE TROUGH WEAKENS AND DRIFTS EAST OF
OUR AREA...BUT TEMPERATURES WILL STILL BE AROUND 5 DEGREES BELOW
NORMAL. THERE WILL BE ONLY SLIGHT CHANCES OF MEASURABLE
PRECIPITATION FOR MOST OF OUR AREA STARTING WEDNESDAY AFTERNOON. THE
BEST CHANCES WILL BE OVER BAKER COUNTY OREGON AND THE CENTRAL IDAHO
MOUNTAINS WEDNESDAY NIGHT AND THURSDAY.

&&

.AVIATION...VFR. WILDFIRE SMOKE WILL PERSIST NORTH OF A KBKE-KMYL
LINE. ISOLATED SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER BAKER
COUNTY OREGON AND THE CENTRAL IDAHO MOUNTAINS THROUGH THIS
EVENING...WITH ISOLATED SHOWERS AND THUNDERSTORMS EAST OF KBOI AND
SOUTH TO THE NEVADA BORDER THIS MORNING. SURFACE WINDS...WEST 5-15
KTS DECREASING TO LESS THAN 10 KTS AFTER 03Z. WINDS ALOFT...WEST UP
TO 25 KTS AT 10K FT MSL.

&&

.BOI WATCHES/WARNINGS/ADVISORIES...
ID...NONE.
OR...NONE.

&&

$$

WEATHER.GOV/BOISE

SHORT TERM...VM
LONG TERM....JT
AVIATION.....JT



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