


Spot Forecast
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
233 FNUS75 KGJT 151724 FWSGJT Spot Forecast for Diamond Canyon...BLM National Weather Service Grand Junction CO 1124 AM MDT Tue Jul 15 2025 Forecast is based on forecast start time of 1100 MDT on July 15. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Hot, dry, and gusty conditions will create localized critical fire weather in the area. Relative humidity may drop to single digits this afternoon as wind gusts increase during peak heating. Isolated showers and thunderstorms are expected to come in from the west in the late afternoon and evening. Primary concerns with any showers and storms will be strong wind gusts and lightning. .REST OF TODAY... Sky/weather.........Mostly sunny (25-35 percent). Isolated showers and thunderstorms in the afternoon. CWR.................10 percent. Max temperature.....92-97. Min humidity........6-11 percent. Wind (20 ft)........Southeast winds 12 mph shifting to the southwest 15 to 20 mph in the afternoon. Gusts up to 30 mph. Stronger gusts are possible near thunderstorms. Transport winds.....Southwest 12 mph. Clearing Index......370 increasing to 1050 by 1300. Chance of thunder...15 percent. .TONIGHT... Sky/weather.........Mostly cloudy (55-65 percent). Isolated showers and thunderstorms in the evening. Areas of smoke through the night. CWR.................10 percent. Min temperature.....67-72. Max humidity........28-33 percent. Wind (20 ft)........Northwest winds 15 to 20 mph decreasing to 10 to 15 mph after midnight. Gusts up to 30 mph before sunset and up to 15 to 20 mph after sunset. Stronger gusts are possible near thunderstorms. Transport winds.....North 20 mph becoming northwest 10 mph overnight. Clearing Index......1050 decreasing to 50 by 2100. Chance of thunder...15 percent. $$ Forecaster...Gillian Felton Requested by...Bouvier Type of request...WILDFIRE .TAG 2518053.0/GJT .DELDT 07/15/25 .FormatterVersion 2.0.0 .EMAIL LHodgson@blm.gov