056
FNUS75 KGJT 182350
FWSGJT
SPOT FORECAST FOR SPRUCE FIRE...SMSO
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
550 PM MDT SAT APR 18 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 MDT ON APRIL 18.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
EXPECT DRY CONDITIONS WITH GENERALLY LIGHT TERRAIN
DRIVEN WINDS, DOWN-SLOPE BREEZES OVERNIGHT SHIFTING TO UP-SLOPE
BREEZES IN THE AFTERNOON. AFTERNOON RH WILL BE IN THE TEENS,
RECOVERING OVERNIGHT WITH THE COOLER TEMPERATURES. POOR SMOKE
DISPERSAL OVERNIGHT WITH A POSSIBLE INVERSION SETTING UP WILL
IMPROVE THROUGH THE MORNING AS HEATING BREAKS ANY INVERSION.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....27-32.
MAX HUMIDITY........36-41 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 MPH SHIFTING TO THE SOUTHWEST
OVERNIGHT.
SMOKE DISPERSAL.....POOR (5000-28000 KNOT-FT).
MIXING HEIGHT.......5600 FT AGL DECREASING TO 600 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTHEAST 10 MPH SHIFTING TO THE SOUTH
OVERNIGHT.
CHANCE OF THUNDER...0 PERCENT.
SUNDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....61-66.
MIN HUMIDITY........12-17 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 MPH SHIFTING TO THE NORTHEAST AT
5 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.
MIXING HEIGHT.......5600 FT AGL INCREASING TO 9200 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....SOUTH 12 MPH SHIFTING TO THE WEST 15 MPH IN THE
AFTERNOON.
CHANCE OF THUNDER...0 PERCENT.
FORECASTER...DAVID BYERS
REQUESTED BY...CCS
TYPE OF REQUEST...WILDFIRE
.TAG 2610695.0/GJT
.DELDT 04/18/26
.FORMATTERVERSION 2.0.0
.EMAIL CCS@SANMIGUELSHERIFF.ORG
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