733
FNUS75 KGJT 131158
FWSGJT
SPOT FORECAST FOR RIO BLANCO...USFS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
558 AM MDT THU AUG 13 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON AUGUST 13.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SHOWERS AND THUNDERSTORMS ARE POSSIBLE TODAY AND FRIDAY (AROUND
30 PERCENT CHANCE), WITH THE GREATEST CHANCES OCCURRING DURING THE
AFTERNOON TODAY. THERE IS A SMALL CHANCE OF WETTING RAIN WITH
THIS ACTIVITY. PRIMARY CONCERNS WITH SHOWERS AND THUNDERSTORMS ARE
NON-DIURNAL OUTFLOW WIND GUSTS POTENTIALLY IN EXCESS OF 30 MPH,
PERIODS OF HEAVY RAINFALL, AND LIGHTNING. HEAVY RAINFALL COULD
CREATE LOCALIZED FLASH FLOODING AND DEBRIS FLOW CONCERNS. DRIER
CONDITIONS ARE FORECAST FOR THE WEEKEND.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). ISOLATED
THUNDERSTORMS IN THE MORNING. SCATTERED RAIN
SHOWERS THROUGH THE DAY. SCATTERED
THUNDERSTORMS IN THE AFTERNOON.
CWR.................20 PERCENT.
MAX TEMPERATURE.....78-83.
MIN HUMIDITY........35-40 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 MPH. GUSTS NEAR OR JUST
ABOVE 20 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
SMOKE DISPERSAL.....POOR (20000 KNOT-FT) INCREASING TO FAIR IN THE
AFTERNOON.
MIXING HEIGHT.......3400 FT AGL INCREASING TO 6000 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....WEST 10 MPH.
CHANCE OF THUNDER...45 PERCENT.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). SCATTERED
SHOWERS AND THUNDERSTORMS IN THE EVENING.
CWR.................10 PERCENT.
MIN TEMPERATURE.....47-52.
MAX HUMIDITY........95-100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 MPH SHIFTING TO THE SOUTH
5 MPH OVERNIGHT. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS IN THE EVENING.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR (5000 KNOT-FT)
OVERNIGHT.
MIXING HEIGHT.......5000 FT AGL DECREASING TO 600 FT AGL OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST 12 MPH SHIFTING TO THE SOUTHEAST 10
MPH OVERNIGHT.
CHANCE OF THUNDER...25 PERCENT.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). ISOLATED SHOWERS
AND THUNDERSTORMS IN THE MORNING. SCATTERED
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................20 PERCENT.
MAX TEMPERATURE.....79-84.
MIN HUMIDITY........32-37 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 MPH. GUSTS UP TO 20 MPH.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS.
SMOKE DISPERSAL.....POOR (28000 KNOT-FT) INCREASING TO GOOD IN THE
AFTERNOON THEN DECREASING TO FAIR BY THE
LATE AFTERNOON.
MIXING HEIGHT.......4000 FT AGL INCREASING TO 7500 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 10 MPH.
CHANCE OF THUNDER...30 PERCENT.
FORECAST DAYS 3 THROUGH 5
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS
IN THE UPPER 40S. HIGHS IN THE LOWER 80S. WEST WINDS 8 MPH,
BECOMING VARIABLE OVERNIGHT. DAYTIME RH 20-30 PERCENT. NIGHTTIME
RH 75-85 PERCENT.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE
UPPER 40S. HIGHS IN THE MID 80S. EAST WINDS 8 MPH, BECOMING
VARIABLE OVERNIGHT. DAYTIME RH 20-30 PERCENT. NIGHTTIME RH
80-90 PERCENT.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS AROUND
50. HIGHS IN THE MID 80S. EAST WINDS 8 MPH, BECOMING VARIABLE
OVERNIGHT. DAYTIME RH 25-35 PERCENT. NIGHTTIME RH 80-90 PERCENT.
FORECASTER...GILLIAN FELTON
REQUESTED BY...THAD MCKAIN
TYPE OF REQUEST...WILDFIRE
.TAG 2619365.2/GJT
.DELDT 08/13/26
.FORMATTERVERSION 2.0.0
.EMAIL THADDEUS_MCKAIN@FIRENET.GOV
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