


Spot Forecast
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
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456 FNUS75 KGJT 200201 FWSGJT Spot Forecast for Yellowjacket...Grand Junction Interagency Dispatch National Weather Service Grand Junction CO 801 PM MDT Tue Aug 19 2025 Forecast is based on forecast start time of 2000 MDT on August 19. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Hot and dry conditions continue with near record temperatures around the region tomorrow and Thursday. Critical fire weather conditions are not expected to develop. Wetting rains are not expected. Thunderstorms and showers return Thursday with the threat of lightning and gusty outflow winds, but little to no chance for wetting rains. .TONIGHT... Sky/weather.........Mostly clear (0-10 percent). CWR.................0 percent. Min temperature.....56-61. Max humidity........30-35 percent. Wind (20 ft)........Northeast winds 10 mph shifting to the southeast overnight at 10-15 mph. Smoke dispersal.....Poor (0 knot-ft). Mixing height.......0 ft AGL. Transport winds.....Northeast 10 mph shifting to the southeast 13 mph overnight. Chance of thunder...0 percent. .WEDNESDAY... Sky/weather.........Sunny (5-15 percent). CWR.................0 percent. Max temperature.....76-81. Min humidity........8-13 percent. Wind (20 ft)........South winds 10 mph shifting to the northwest in the afternoon at 10-15 mph. Smoke dispersal.....Fair increasing to good in the afternoon. Mixing height.......6600 ft AGL increasing to 10800 ft AGL in the afternoon. Transport winds.....South 8-12 mph shifting to the west 10-15 mph in the afternoon. Chance of thunder...0 percent. .WEDNESDAY NIGHT... Sky/weather.........Mostly clear (5-15 percent). CWR.................0 percent. Min temperature.....57-62. Max humidity........22-27 percent. Wind (20 ft)........Northeast winds 8-12 mph shifting to the southeast overnight. Smoke dispersal.....Good decreasing to poor (0 knot-ft) overnight. Mixing height.......9500 ft AGL decreasing to 0 ft AGL overnight. Transport winds.....North 10-15 mph shifting to the south overnight. Chance of thunder...0 percent. .THURSDAY... Sky/weather.........Sunny (10-20 percent). CWR.................0 percent. Max temperature.....80-85. Min humidity........11-16 percent. Wind (20 ft)........South winds 10 mph shifting to the northwest in the afternoon at 10-15 mph. Gusty and erratic winds expected near thunderstorms in the afternoon. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......7200 ft AGL increasing to 12800 ft AGL in the afternoon. Transport winds.....West 10-15 mph. Chance of thunder...10 percent. $$ Forecaster...Lucas Boyer Requested by...Grand Junction Interagency Dispatch Type of request...WILDFIRE .TAG 2520067.1/GJT .DELDT 08/19/25 .FormatterVersion 2.0.0 .EMAIL hdresen@blm.gov,cogjc@firenet.gov,hloncarich@blm.gov