335
FNUS75 KGJT 121944
FWSGJT
SPOT FORECAST FOR MARINA...USFS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
144 PM MDT WED AUG 12 2026
FORECAST IS BASED ON FORECAST START TIME OF 1400 MDT ON AUGUST 12.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SHOWER AND STORM CHANCES BECOME MORE WIDESPREAD WEDNESDAY AND
BEGIN TO PEAK IN COVERAGE BY THURSDAY. THIS WILL LEAD TO STORM
CHANCES EACH AFTERNOON INTO THE EVENING HOURS. CURRENT SATELLITE
IMAGERY DEPICTS STORMS IN THE VICINITY OF THE SPOT, WITH
INCREASED CHANCES BY 1600. IN CONTRAST, THURSDAY MAY SEE AN
EARLIER START, WITH SHOWER ACTIVITY DEVELOPING AS EARLY AS 1000.
FLOW ALOFT SHIFTS TO A MORE SOUTHERLY- SOUTHWESTERLY REGIME
BEGINNING WEDNESDAY. PRIMARY THREATS WITH THESE STORMS WILL BE
LIGHTNING, GUSTY OUTFLOW WINDS, AND LOCALIZED HEAVY RAINFALL
DEPENDENT ON WHERE CELLS POP UP.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (65-80 PERCENT). CHANCE (30-40 PERCENT)
OF SHOWERS AND THUNDERSTORMS.
CWR.................25 PERCENT.
MAX TEMPERATURE.....68-75.
MIN HUMIDITY........29-34 PERCENT.
WIND (20 FT)........WEST WINDS 8-12 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
SMOKE DISPERSAL.....GOOD, DECREASING TO FAIR BY 1500, THEN TO POOR
(26000-35000 KNOT-FT) BY 1700.
MIXING HEIGHT.......7400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 13 MPH.
CHANCE OF THUNDER...35 PERCENT.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). RAIN SHOWERS
LIKELY (50-60 PERCENT) AND CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN CHANCE (20-40 PERCENT) OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS OVERNIGHT.
CWR.................50 PERCENT.
MIN TEMPERATURE.....46-51.
MAX HUMIDITY........76-81 PERCENT.
WIND (20 FT)........SOUTH WINDS 5-10 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
SMOKE DISPERSAL.....POOR (5000-13000 KNOT-FT).
MIXING HEIGHT.......1600 FT AGL.
TRANSPORT WINDS.....SOUTH 10 MPH.
CHANCE OF THUNDER...30 PERCENT.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-80 PERCENT). CHANCE (30-50 PERCENT)
OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN RAIN SHOWERS LIKELY (60-75 PERCENT)
AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CWR.................30 PERCENT.
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........48-53 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8-12 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
SMOKE DISPERSAL.....POOR (4000-15000 KNOT-FT), INCREASING TO FAIR BY
1200, THEN TO GOOD BY 1300.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 13 MPH.
CHANCE OF THUNDER...50 PERCENT.
FORECASTER...BROOKE SCHOLTENS
REQUESTED BY...CONCC
TYPE OF REQUEST...WILDFIRE
.TAG 2619547.0/GJT
.DELDT 08/12/26
.FORMATTERVERSION 2.0.0
.EMAIL CONCC@FIRENET.GOV
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