220
FNUS75 KBOI 130954
FWSBOI
SPOT FORECAST FOR ALDER CR. UNIT 1...USFS
NATIONAL WEATHER SERVICE BOISE ID
354 AM MDT MON APR 13 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 MDT ON APRIL 13.
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.
...RAIN/SNOW SHOWERS TODAY WITH A SLIGHT CHANCE OF PM THUNDERSTORMS...
..DRYING AND SLIGHT WARMING TUESDAY
DISCUSSION
RAIN AND SNOW SHOWERS THIS MORNING WILL BECOME JUST RAIN THIS
AFTERNOON. SNOW AMOUNTS OF 3-5 INCHES EXPECTED NEAR THE BURN AREA
BY THE AFTERNOON. A 15% CHANCE OF THUNDERSTORMS AFTER 12PM MDT,
THREAT TAPERING OFF AFTER 6PM MDT. STORMS CAPABLE OF SMALL
HAIL/GRAUPEL AND OUTFLOWS OF 35 MPH. SHOWERS TAPERING OFF TUESDAY
AFTERNOON WITH CLEARING SKIES INTO TUESDAY.
REST OF TODAY
SKY/WEATHER.........RAIN AND SNOW SHOWERS IN THE MORNING, THEN RAIN
SHOWERS LIKELY, A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. PATCHY FOG THROUGH
THE DAY. CHANCE OF PRECIPITATION 90 PERCENT. NEW SNOW
ACCUMULATION OF 3 TO 5 INCHES.
MAX TEMPERATURE.....42 TO 47.
MIN HUMIDITY........78 TO 85 PERCENT.
CWR.................70 PERCENT.
WIND - 20 FOOT......SOUTHWEST 8 TO 12 MPH. GUSTS UP TO 18 MPH IN
THE MORNING. THEN WEST 3 TO 6 MPH IN THE AFTERNOON. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WINDS.....WEST AROUND 19 MPH.
VENTILATION INDEX...380 FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
AREAS OF FOG THROUGH THE NIGHT. CHANCE OF
PRECIPITATION 30 PERCENT.
MIN TEMPERATURE.....27 TO 32.
MAX HUMIDITY........95 TO 100 PERCENT.
CWR.................10 PERCENT.
WIND - 20 FOOT......NORTH AROUND 3 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS IN THE EVENING.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 5 MPH.
VENTILATION INDEX...10 POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY SUNNY IN THE AFTERNOON. AREAS OF FOG IN
THE MORNING.
MAX TEMPERATURE.....48 TO 53.
MIN HUMIDITY........49 TO 55 PERCENT.
CWR.................0 PERCENT.
WIND - 20 FOOT......LESS THAN 3 MPH IN THE MORNING BECOMING
SOUTHWEST AROUND 6 MPH IN THE AFTERNOON.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
VENTILATION INDEX...450 FAIR.
FORECASTER...FRANCIS
REQUESTED BY...E. HUNT
TYPE OF REQUEST...PRESCRIBED
.TAG 2609411.4/BOI
.DELDT 04/13/26
.FORMATTERVERSION 2.0.0
.EMAIL EDUARD.HUNT@USDA.GOV,RALPH.LAMB@USDA.GOV
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