662
FXUS65 KBOI 102248
AFDBOI
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
448 PM MDT WED JUN 10 2026
UPDATE
UPDATED AVIATION DISCUSSION.
KEY MESSAGES
- COLD LOW TEMPERATURES AT OR NEAR FREEZING IN MOUNTAIN VALLEYS
TOMORROW MORNING.
- WEST/NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 45 MPH IN
SOUTH-CENTRAL IDAHO THIS AFTERNOON AND EARLY EVENING.
- ISOLATED SHOWERS AND THUNDERSTORMS IN NORTHERN BAKER COUNTY,
OR AND THE WEST CENTRAL MOUNTAINS THIS AFTERNOON.
- DRY AND GRADUALLY WARMER THROUGH THE END OF THIS WEEK.
SHORT TERM /THROUGH FRIDAY NIGHT/
ISSUED 212 PM MDT WED JUN 10 2026
A FEW SHOWERS ARE LINGERING OVER HIGH TERRAIN IN CENTRAL IDAHO
THIS AFTERNOON, WITH A WEAK THUNDERSTORM NEAR RIGGINS, ID
PUSHING EAST. THE TROUGH THAT BROUGHT THIS PUSH OF PRECIPITATION
WILL CONTINUE TO MOVE EAST LATER TODAY, KEEPING WINDS GUSTY
OVER THE SNAKE RIVER PLAIN AND CONTINUING ISOLATED HIGH TERRAIN
SHOWERS THROUGH THE EARLY EVENING. THIS 10-20% CHANCE OF
SHOWERS AND THUNDERSTORMS EXISTS OVER NORTHEASTERN OREGON AND
CENTRAL IDAHO, PRIMARILY NORTHEAST OF BAKER CITY, OR AND NORTH OF
MCCALL, ID. THE COOLEST TEMPERATURES OF THE WEEK WILL OCCUR
TODAY, WITH HIGHS GENERALLY IN THE MID TO HIGH 60S AT LOWER
ELEVATIONS. BREEZY NORTHWEST WINDS ACROSS THE REGION WILL
CONTINUE THROUGH THE EVENING, TAPERING OFF AFTER SUNSET. THE
STRONGEST WINDS WILL BE IN THE MAGIC VALLEY AND ON HIGH TERRAIN
EAST OF MOUNTAIN HOME, ID WITH OCCASIONAL GUSTS UP TO 45 MPH. A
RIDGE OF HIGH PRESSURE WILL THEN BUILD IN OVER THE WEST COAST,
BRINGING A STEADY WARMING AND DRYING TREND TO THE REGION THROUGH
FRIDAY. WINDS WILL GENERALLY BE LIGHT AND TERRAIN DRIVEN
THROUGH FRIDAY MORNING, WITH BREEZY NORTHERLY WINDS EXPECTED ON
FRIDAY EVENING AS A SHORTWAVE TROUGH MOVES INTO NORTHERN IDAHO-
MONTANA.
LONG TERM /SATURDAY THROUGH WEDNESDAY/
ISSUED 212 PM MDT WED JUN 10 2026
A SHARP UPPER RIDGE ALONG THE WEST COAST WILL GRADUALLY SHIFT
TO THE INTERIOR WEST NEXT WEEK. THIS WILL RESULT IN DRY AND
WARMING WEATHER WITH TEMPERATURES REACHING 10-15 DEGREES ABOVE
NORMAL BY TUESDAY. THE CURRENT FORECAST HAS BUMPED HOTTER
LOCATIONS INTO MID-UPPER 90S WHICH CONTINUES TO BE ON THE HIGH
END OF THE TEMPERATURE/THICKNESS ENVELOPE OF THE OPERATIONAL AND
AI MODELS. FOR NOW LONG RANGE ENSEMBLE MEAN (HREF) IS SHOWING A
20-50% CHANCE OF REACHING 95 DEGREES NEXT TUE/WED IN THE SNAKE
PLAIN BETWEEN ONTARIO AND HAGERMAN. THOUGH EARLY, THERE IS MODEL
AGREEMENT THAT A COOLER TROUGH RETURNS TO THE PAC NW LATE NEXT
WEEK.
AVIATION /00Z THURSDAY THROUGH FRIDAY/
ISSUED 426 PM MDT WED JUN 10 2026
LOWER CEILINGS AND SCATTERED RAIN/SNOW SHOWERS OBSCURING MTNS ACROSS
E-CENTRAL OR AND W-CENTRAL ID THROUGH EVENING (MOSTLY NORTH OF KBKE-
KMYL-KSNT LINE). SNOW LEVELS APPROX 6500 FT MSL. VFR TO THE
SOUTH WITH SCATTERED MTN CUMULUS. THEN, VFR AND SCT HIGH CLOUDS
AREA-WIDE BY MID-MORNING THU. SURFACE WINDS: W-NW 10-25 KT WITH
GUSTS TO 25-35 KT THROUGH SUNSET, BECOMING VARIABLE 5-15 KT
OVERNIGHT. WINDS ALOFT AT 10KFT MSL: NW 20-30 KT, DECREASING TO
VARIABLE 5-15 KT AFTER THU/03Z.
KBOI...VFR, SCT CUMULUS THROUGH SUNSET THEN MOSTLY CLEAR. SURFACE
WINDS: NW 15-25 KT GUSTS TO 25-35 KT, DECREASING TO 5-12 KT AFTER
SUNSET. BECOMING VARIABLE OR LIGHT SE AROUND THU/07Z, CONTINUING
INTO EARLY THU AFTERNOON.
BOI WATCHES/WARNINGS/ADVISORIES
ID...WIND ADVISORY UNTIL 7 PM MDT THIS EVENING FOR
IDZ014>016-028-030.
OR...NONE.
WWW.WEATHER.GOV/BOISE
INTERACT WITH US VIA SOCIAL MEDIA:
WWW.FACEBOOK.COM/NWSBOISE
WWW.X.COM/NWSBOISE
AVIATION.....SH
SHORT TERM...SA
LONG TERM....DG
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