309
FXUS65 KBOI 261644
AFDBOI
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
944 AM MST THU FEB 26 2026
DISCUSSION
DRY AIR IS MOVING INTO THE REGION THIS MORNING,
THOUGH SOME PATCHY LOW CLOUDS REMAIN IN THE AREA VALLEYS. THE
PATCHY FOG SHOULD DISSIPATE BY 11 AM IF NOT SOONER. OTHERWISE,
EXPECT DRY CONDITIONS TODAY WITH A SLIGHT WARMING TREND THAT
WILL CONTINUE THROUGH THE END OF THE WORK WEEK. NO UPDATES
NEEDED AT THIS TIME.
AVIATION
VFR WITH HIGH CLOUDS. SURFACE WINDS: VARIABLE 5-10KT,
BECOMING SW-NW 5-10KT DURING THE AFTERNOON. WINDS ALOFT AT 10KFT
MSL: W-NW 15-30KT.
KBOI...VFR. NW 5KT DURING DAY, SE 5KT AT NIGHT.
WEEKEND OUTLOOK...VFR SATURDAY, WITH INCREASING CLOUDS AND SHOWERS.
MOUNTAINS BECOMING OBSCURED BY SATURDAY EVENING.
SHOWERS CONTINUING INTO SUNDAY WITH MOUNTAIN OBSCURATION. SNOW
LEVELS AROUND 5000' MSL NEAR KBKE KMYL, AND AROUND 8000' MSL NEAR
THE NV BORDER.
PREV DISCUSSION
SHORT TERM...TODAY THROUGH SATURDAY NIGHT...WEST TO NORTHWEST
FLOW CONTINUES TODAY WITH LOW CLOUDS ALONG THE NV BORDER THIS
MORNING. LOW CLOUDS DECREASE THIS AFTERNOON AS A WEAK RIDGE
BUILDS OVER THE AREA. TEMPERATURES WILL WARM SEVERAL DEGREES ON
FRIDAY. A WEAK SYSTEM WILL BRING A 30-50 PERCENT CHANCE OF
SHOWERS SATURDAY AFTERNOON AS A WEAK SYSTEM TRACKS ACROSS OR
INTO THE GREAT BASIN. SNOW LEVELS RANGE FROM 5000FT NEAR BAKER
CITY AND MCCALL, TO AROUND 8000FT NEAR THE NV BORDER WITH THIS
SYSTEM. MINIMAL SNOW ACCUMULATIONS EXPECTED OVER THE MOUNTAINS.
LONG TERM...SUNDAY THROUGH THURSDAY...THE WEAK UPPER LEVEL
TROUGH WILL SLOWLY MOVE ACROSS THE GREAT BASIN WITH DIFFERENCES
IN THE POSITIONING OF THE TROUGH. A 30-50 PERCENT CHANCE OF
PRECIPITATION CONTINUES ON SUNDAY BEFORE TAPERING OFF TO 10-20
PERCENT BY MONDAY. THE AI MODELS HAVE THE TROUGH FURTHER NORTH
THAN THE REST OF THE ENSEMBLES WHICH WOULD KEEP PRECIPITATION
GOING INTO TUESDAY BEFORE THE SYSTEM MOVES EAST INTO UTAH.
CURRENT FORECAST DOES NOT ACCOUNT FOR THE AI SOLUTIONS. UPPER
LEVEL RIDGING RETURNS ON TUESDAY AHEAD OF THE NEXT COLD FRONT
THAT ARRIVES ON WEDNESDAY. CURRENT FORECAST POPS FROM THE NBM
AND WPC ARE NOT HIGH ENOUGH FOR WEDNESDAY AND THURSDAY WITH THIS
TROUGH MOVING INLAND.
BOI WATCHES/WARNINGS/ADVISORIES
ID...NONE.
OR...NONE.
WWW.WEATHER.GOV/BOISE
INTERACT WITH US VIA SOCIAL MEDIA:
WWW.FACEBOOK.COM/NWSBOISE
WWW.X.COM/NWSBOISE
DISCUSSION...JDS
AVIATION.....CH
SHORT TERM...KA
LONG TERM....KA
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