140
FNUS75 KBOI 011213
FWSBOI
SPOT FORECAST FOR COTTONWOOD III 3A...USFS
NATIONAL WEATHER SERVICE BOISE ID
613 AM MDT WED APR 1 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 MDT ON APRIL 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (208)334-9060, IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
...COOL AND WET THROUGH THURSDAY THEN WARMING AND DRYING FOR THE WEEKEND...
DISCUSSION
SIGNIFICANT LOW PRESSURE SYSTEM TO BRING RAIN TO THE BURN AREA THROUGH THURSDAY
WITH HEAVIER PRECIPITATION AFTER MID DAY TODAY. THUNDERSTORMS POSSIBLE MID AFTERNOON
INTO THE EVENING. SOUTHWEST WINDS TO INCREASE DUE TO A COLD FRONT THIS AFTERNOON THROUGH
THURSDAY, WITH EXPOSED AREAS SEEING STRONGER GUSTS. WARMING AND DRYING FRIDAY
INTO THE WEEKEND.
TODAY
SKY/WEATHER.........A CHANCE OF RAIN SHOWERS IN THE MORNING, THEN
RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. CHANCE OF PRECIPITATION 80
PERCENT.
MAX TEMPERATURE.....49 TO 53.
MIN HUMIDITY........59 TO 68 PERCENT.
CWR.................80 PERCENT.
WIND - 20 FOOT......DOWNSLOPE LESS THAN 3 MPH, BECOMING WSW 7 TO 10 MPH WITH GUSTS UP TO 16 MPH
IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE
AFTERNOON.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....SOUTH TO SOUTHWEST AROUND 15 MPH.
VENTILATION INDEX...525 GOOD.
TONIGHT
SKY/WEATHER.........RAIN SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. SNOW SHOWERS OVERNIGHT. CHANCE
OF PRECIPITATION 90 PERCENT. LITTLE OR NO SNOW
ACCUMULATION.
MIN TEMPERATURE.....30 TO 35.
MAX HUMIDITY........92 TO 97 PERCENT.
CWR.................100 PERCENT.
WIND - 20 FOOT......SOUTHWEST 7 TO 10 MPH WITH GUSTS TO AROUND 16
MPH IN THE EVENING, BECOMING 5 TO 8 MPH AFTER MIDNIGHT. GUSTY AND
ERRATIC WINDS EXPECTED NEARTHUNDERSTORMS.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
VENTILATION INDEX...90 POOR.
THURSDAY
SKY/WEATHER.........SNOW AND RAIN SHOWERS IN THE MORNING, THEN
A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION NEAR 100
PERCENT. SNOW ACCUMULATION UP TO 1 INCH.
MAX TEMPERATURE.....36 TO 44.
MIN HUMIDITY........53 TO 61 PERCENT.
CWR.................60 PERCENT.
WIND - 20 FOOT......BECOMING SOUTHWEST 9 TO 15 MPH WITH GUSTS TO AROUND 22 MPH AFTER 9AM.
GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....WEST AROUND 20 MPH.
VENTILATION INDEX...1400 EXCELLENT.
FORECASTER...CANTIN
REQUESTED BY...NICK BECHARAS
TYPE OF REQUEST...PRESCRIBED
.TAG 2608191.2/BOI
.DELDT 04/01/26
.FORMATTERVERSION 2.0.0
.EMAIL NICHOLAS.BECHARAS@USDA.GOV,JACOB.MILLER3@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page