245
FNUS75 KGJT 121341
FWSGJT
SPOT FORECAST FOR GENERAL SPOT FORECAST - THE NEEDLES DISTRICT...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
741 AM MDT WED AUG 12 2026
FORECAST IS BASED ON FORECAST START TIME OF 0800 MDT ON AUGUST 12.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SHOWERS AND THUNDERSTORMS ARE POSSIBLE DURING MUCH OF THE
FORECAST PERIOD, WITH THE GREATEST CHANCES OCCURRING DURING THE
EVENING AND OVERNIGHT HOURS TONIGHT, AND TOMORROW AFTERNOON. THE
PRIMARY CONCERNS WITH SHOWERS AND THUNDERSTORMS ARE STRONG OUTFLOW
WINDS POTENTIALLY IN EXCESS OF 35 MPH, PERIODS OF HEAVY RAINFALL,
AND LIGHTNING.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....91-96.
MIN HUMIDITY........19-24 PERCENT.
CHANCE OF PCPN......20 PERCENT.
SURFACE WINDS.......UPSLOPE/UPVALLEY WINDS 3 TO 8 MPH. GUSTS UP TO
15 MPH. GUSTY AND ERRATIC WINDS POSSIBLE NEAR
THUNDERSTORMS.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT). CHANCE OF
THUNDERSTORMS IN THE EVENING. CHANCE OF SHOWERS
THROUGH THE NIGHT. SLIGHT CHANCE OF
THUNDERSTORMS OVERNIGHT.
MIN TEMPERATURE.....62-67.
MAX HUMIDITY........64-69 PERCENT.
CHANCE OF PCPN......30 PERCENT.
SURFACE WINDS.......DOWNSLOPE/DOWNVALLEY WINDS 3 TO 8 MPH. GUSTY
AND ERRATIC WINDS POSSIBLE NEAR THUNDERSTORMS.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....86-91.
MIN HUMIDITY........25-30 PERCENT.
CHANCE OF PCPN......40 PERCENT.
SURFACE WINDS.......UPSLOPE/UPVALLEY WINDS 8 TO 12 MPH. GUSTS UP TO
20 MPH. GUSTY AND ERRATIC WINDS POSSIBLE NEAR
THUNDERSTORMS.
FORECASTER...GILLIAN FELTON
REQUESTED BY...COLLIN LINT
TYPE OF REQUEST...SAR
.TAG 2619523.0/GJT
.DELDT 08/12/26
.FORMATTERVERSION 2.0.0
.EMAIL GLCA_DISPATCH_CENTER@NPS.GOV,COLLIN_LINT@NPS.GOV
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