283
FXUS65 KBOI 300315
AFDBOI
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
915 PM MDT SUN JUN 29 2025
DISCUSSION
CLEAR CONDITIONS PREVAIL THIS EVENING WITH THE EXCEPTION OF
LOCAL SMOKE AND HAZE FROM WILDFIRES, MAINLY SOUTH OF THE SNAKE
RIVER. FORECAST IS ON TRACK WITH TEMPERATURES EXPECTED TO TREND
UP SEVERAL DEGREES ON MONDAY. RADAR IS SHOWING ISOLATED SHOWERS
AND THUNDERSTORMS ACROSS CENTRAL AND NORTHERN NEVADA THIS
EVENING. THE THREAT OF ISOLATED THUNDERSTORMS WILL SHIFT FURTHER
NORTH INTO SOUTHEAST OREGON AND SOUTHWEST IDAHO NEAR THE NEVADA
BORDER MONDAY.
AVIATION
VFR. MOSTLY CLEAR SKIES. HIGH DENSITY ALTITUDE ON MONDAY
DUE TO HOT TEMPERATURES. ISOLATED SHOWERS AND THUNDERSTORMS LATE
MONDAY AFTERNOON NEAR THE NV BORDER WITH GUSTS UP TO 40 KT. SURFACE
WINDS: W-NW 5-15 KT, BECOMING MOSTLY VARIABLE 10 KT OR LESS THIS
EVENING. WINDS ALOFT AT 10KFT MSL: MOSTLY VARIABLE 10 KT OR LESS
THROUGH THE EVENING.
KBOI...VFR. CLEAR SKIES. HIGH DENSITY ALTITUDE ON MONDAY DUE TO HOT
TEMPERATURES. SURFACE WINDS: NW 5-15 KT, THEN VARIABLE LESS THAN 8
KT AFTER SUNSET, THEN SE 5-10 KT MONDAY MORNING.
PREV DISCUSSION
SHORT TERM...TONIGHT THROUGH TUESDAY NIGHT...AN UPPER LEVEL
RIDGE WILL STRENGTHEN OVER THE AREA, BRINGING WARMER
TEMPERATURES EACH DAY THROUGH TUESDAY. A TROUGH OFF THE CA COAST
WILL BRING MIDLEVEL MOISTURE ALONG THE NV BORDER ON MONDAY
AFTERNOON, WITH A 10-20 PERCENT CHANCE OF THUNDERSTORMS ALONG
THE NV BORDER. MID LEVEL MOISTURE WILL CONTINUE TO TRACK
NORTHWARD OVER MUCH OF THE FORECAST AREA BY TUESDAY WITH ENOUGH
INSTABILITY FOR A 10-20 PERCENT CHANCE OF THUNDERSTORMS OVER THE
MOUNTAINS. MAIN THREATS OF THE STORMS WILL BE GUSTY OUTFLOW
WINDS. TEMPERATURES IN THE TREASURE VALLEY AND WEISER BASIN
WILL BE IN THE LOW 100S TUESDAY AFTERNOON, WHERE A HEAT ADVISORY
REMAINS IN EFFECT. TEMPERATURES WILL BE 10-15 DEGREES ABOVE
NORMAL ON TUESDAY.
LONG TERM...WEDNESDAY THROUGH SUNDAY...A TROUGH WILL SLOWLY
TRACK ACROSS SOUTHERN CA ON WEDNESDAY AND THURSDAY, KEEPING A
10-20 PERCENT CHANCE OF THUNDERSTORMS OVER THE AREA WEDNESDAY
AND THURSDAY AFTERNOON. TEMPERATURES REMAIN AROUND 10 DEGREES
ABOVE NORMAL. THEN A COMPACT SYSTEM TRACKS ACROSS NORTHERN CA
AND SOUTHERN OR INTO SOUTHWEST IDAHO AND SOUTHEAST OR ON FRIDAY,
WITH A 20-30 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS. THIS
SYSTEM WILL BRING COOLER TEMPERATURES, WITH TEMPERATURES
LOWERING TO NEAR NORMAL AND POSSIBLY COOLER. FORECAST
CONFIDENCE ON SATURDAY AND SUNDAY IS LOW.
BOI WATCHES/WARNINGS/ADVISORIES
ID...HEAT ADVISORY FROM 11 AM TO 8 PM MDT TUESDAY IDZ012-014-033.
OR...HEAT ADVISORY FROM 11 AM MDT /10 AM PDT/ TO 8 PM MDT /7 PM
PDT/ TUESDAY ORZ064.
WWW.WEATHER.GOV/BOISE
INTERACT WITH US VIA SOCIAL MEDIA:
WWW.FACEBOOK.COM/NWSBOISE
WWW.X.COM/NWSBOISE
DISCUSSION...TL
AVIATION.....JY
SHORT TERM...KA
LONG TERM....KA
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