238  
FNUS75 KGJT 220828  
FWSGJT  
 
SPOT FORECAST FOR ROBERTS BOTTOM...NWFS  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
228 AM MDT THU OCT 22 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1700 MDT ON OCTOBER 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
RAIN, RAINSHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY AND THOUGH  
GENERALLY LIGHT WINDS ARE EXPECTED, GUSTY OUTFLOW WINDS FROM ANY  
SHOWERS OR STORMS WILL BE POSSIBLE. SMOKE DISPERSAL WILL STAY IN  
THE POOR CATEGORY THROUGH THE DAY. PRECIPITATION CONTINUES  
OVERNIGHT AND WILL END FRIDAY MORNING. SOME GUSTY WINDS UP TO 25  
MPH WILL BE POSSIBLE FRIDAY WHICH WILL BRING SMOKE DISPERSAL TO  
FAIR BY NOON, REACHING GOOD SHORTLY AFTER THAT. POOR RETURNS BY  
4PM.  
   
REST OF TODAY
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN AND RAINSHOWERS  
LIKELY WITH A CHANCE OF THUNDERSTORMS.  
CWR.................60 PERCENT.  
MAX TEMPERATURE.....63-68.  
MIN HUMIDITY........65-70 PERCENT.  
WIND (20 FT)........EAST WINDS 10 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
SMOKE DISPERSAL.....POOR (10000 KNOT-FT).  
MIXING HEIGHT.......1100 FT AGL.  
TRANSPORT WINDS.....EAST 10 MPH.  
CLEARING INDEX......170.  
CHANCE OF THUNDER...30 PERCENT.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
THUNDERSTORMS IN THE EVENING. RAIN SHOWERS  
THROUGH THE NIGHT. SLIGHT CHANCE OF  
THUNDERSTORMS OVERNIGHT.  
CWR.................70 PERCENT.  
MIN TEMPERATURE.....48-53.  
MAX HUMIDITY........93-98 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 10 MPH SHIFTING TO THE SOUTH  
WITH GUSTS TO AROUND 25 MPH OVERNIGHT. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
IN THE EVENING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS OVERNIGHT.  
SMOKE DISPERSAL.....POOR (5000-6000 KNOT-FT).  
MIXING HEIGHT.......700 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 10 MPH.  
CLEARING INDEX......110.  
CHANCE OF THUNDER...35 PERCENT.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).  
CWR.................10 PERCENT.  
MAX TEMPERATURE.....62-67.  
MIN HUMIDITY........44-49 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 10 MPH INCREASING TO 15 MPH IN  
THE AFTERNOON. OCCASIONAL GUSTS TO 25 MPH.  
SMOKE DISPERSAL.....FAIR INCREASING TO GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......3600 FT AGL INCREASING TO 5900 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST 13 MPH.  
CLEARING INDEX......400 INCREASING TO 650 IN THE AFTERNOON.  
CHANCE OF THUNDER...10 PERCENT.  
 

 
FORECASTER...TOM RENWICK  
REQUESTED BY...JONNY JEW  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2624286.0/GJT  
.DELDT 10/22/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JJEW@BLM.GOV  
 
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