009
FXUS65 KBOI 080903
AFDBOI
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
303 AM MDT WED APR 8 2020
SHORT TERM...TODAY THROUGH FRIDAY NIGHT
MILD, SPRINGLIKE
WEATHER WITH MOSTLY CLEAR SKIES THROUGH FRIDAY. A LITTLE WARMER
AGAIN TODAY, BUT THURSDAY AND FRIDAY WILL BE THE WARMEST DAYS AS
AN UPPER LEVEL RIDGE IN THE PACIFIC NOSES IN ACROSS OREGON AND
SOUTHERN IDAHO. HIGH TEMPS ON THOSE DAYS WILL BE IN THE UPPER
50S TO NEAR 70 IN THE MOUNTAINS AND MID 60S TO MID 70S IN THE
VALLEYS. SNOW LEVELS WILL PEAK FRIDAY AFTERNOON AROUND 7500
FEET MSL IN NORTHERN AREAS TO 8500 FEET IN THE SOUTH. THIS WILL
CAUSE SOME SNOWMELT BUT ALL RIVERS ARE FORECAST TO STAY WELL
BELOW FLOOD STAGE, WITH A MODEST CREST EXPECTED SATURDAY. A
SHORT WAVE TROUGH IN BC WILL DIG SOUTHWARD TOWARD WASHINGTON
ON FRIDAY AND NORTHWEST FLOW ALOFT WILL INCREASE IN OUR CWA.
NORTHWEST WINDS WILL ALSO INCREASE AT THE SURFACE FRIDAY, AND
CLOUDS WILL INCREASE IN NORTHERN-MOST IDAHO ZONES FRIDAY NIGHT.
LONG TERM...SATURDAY THROUGH WEDNESDAY
CLOUD COVER AND
NORTHERLY WINDS WILL RAMP UP SATURDAY ASSOCIATED WITH A STRONG
COLD FRONT APPROACHING FROM THE NORTH. AFTERNOON/EVENING WIND
GUSTS OF 25-35 MPH WILL BE COMMON. FURTHERMORE, SOME MODEL
GUIDANCES CURRENTLY SUGGEST GUSTS COULD REACH AS HIGH AS 40-50
MPH FOR THE UPPER TREASURE/MAGIC VALLEYS AND SOUTHWEST HIGHLANDS
OF IDAHO, SO WILL HAVE TO KEEP A CLOSE EYE ON THE COLD FRONT
EVOLUTION AS IT GETS CLOSER. IN ADDITION, SHOWERS WILL INCREASE
OVER W-CENTRAL AND S-CENTRAL IDAHO SATURDAY AFTERNOON INTO SUNDAY.
SNOW LEVELS AROUND 5KFT MSL SATURDAY WILL RAPIDLY FALL TO VALLEY
FLOORS LATE SATURDAY INTO SUNDAY. SNOW ACCUMULATIONS WILL BE
RATHER LIGHT, HOWEVER, DUE TO LIMITED MOISTURE AVAILABILITY.
TEMPERATURES WILL BECOME NOTABLY COLDER FOR SUNDAY/MONDAY AS
NORTHERLY FLOW TAKES HOLD OVER THE REGION. DRIER WEATHER IS
ANTICIPATED FOR LATE SUNDAY THROUGH WEDNESDAY, WITH SHOWERS
STILL POSSIBLE FOR SOUTHWEST IDAHO MOUNTAINS.
AVIATION
VFR. SURFACE WINDS: VARIABLE 10 KT OR LESS, BECOMING
N TO NE 5-10 KT FOR SW IDAHO AND 10-20 KT FOR SE OREGON THIS
AFTERNOON. WINDS WILL DECREASE AFTER SUNSET. WINDS ALOFT AT
10KFT MSL: N TO NE 10-20 KT.
BOI WATCHES/WARNINGS/ADVISORIES
ID...NONE.
OR...NONE.
WWW.WEATHER.GOV/BOISE
WWW.FACEBOOK.COM/NWSBOISE
WWW.TWITTER.COM/NWSBOISE
SHORT TERM...LC
LONG TERM....SH
AVIATION.....SH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page