Spot Forecast
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
446 FNUS75 KGJT 211438 FWSGJT Spot Forecast for North Elk Ridge RX...USFS National Weather Service Grand Junction CO 838 AM MDT Sat Sep 21 2024 Forecast is based on ignition time of 0813 MDT on September 21. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION...A storm system will move through the area this morning through the afternoon, with scattered showers and thunderstorms this morning, becoming more widespread this afternoon into the evening. Gusty outflow winds to 40 mph and lightning are the primary concerns with storm activity today with brief light to moderate rain possible at times. Mixing and fair smoke dispersal will occur especially during times of rain. Much cooler and drier conditions expected Sunday in the wake of the storm. .REST OF TODAY... Sky/weather.........Mostly cloudy (65-75 percent). Chance of rain showers and slight chance of thunderstorms early in the morning, then rain showers likely and chance of thunderstorms in the afternoon. CWR.................20 percent. Max temperature.....53-58. Min humidity........32-37 percent. Wind (20 ft)........Southwest winds 5 mph shifting to the west and becoming upslope/upvalley 8 to 12 mph with gusts to 20 mph in the afternoon. Gusty and erratic winds expected near thunderstorms. Smoke dispersal.....Fair. Haines Index........4 or low. LAL.................1 until 0900, then 2 until 1200, then 4. Mixing height.......2000 ft AGL increasing to 5000 ft AGL in the afternoon. Transport winds.....Southwest 13 mph. Clearing Index......330 increasing to 620 in the afternoon. .TONIGHT... Sky/weather.........Mostly cloudy (60-70 percent) then becoming partly cloudy (35-45 percent). Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms overnight. CWR.................10 percent. Min temperature.....36-41. Max humidity........86-91 percent. Wind (20 ft)........North winds 8 to 12 mph in the early evening, becoming downslope/downvalley 3 to 6 mph overnight. Gusty and erratic winds expected near thunderstorms. Smoke dispersal.....Poor (0-7000 knot-ft). Haines Index........3 or very low. LAL.................4 until 2100, then 3 until 0200, then 1. Mixing height.......1200 ft AGL, decreasing to 400 or less after sunset and overnight. Transport winds.....Northwest 10 mph. Clearing Index......90. .SUNDAY... Sky/weather.........Sunny (15-25 percent). CWR.................0 percent. Max temperature.....57-62. Min humidity........36-41 percent. Wind (20 ft)........Downslope/downvalley 3 to 6 mph until 1000, then north winds 8 to 12 mph in the afternoon. Smoke dispersal.....Fair. Haines Index........3 or very low. LAL.................1. Mixing height.......2600 ft AGL increasing to 4900 ft AGL in the afternoon. Transport winds.....North 14 mph. Clearing Index......400. $$ Forecaster...Matt Aleksa Requested by...Timothy Spurr Type of request...PRESCRIBED .TAG 2422716.1/GJT .DELDT 09/21/24 .FormatterVersion 2.0.0 .EMAIL timothy.spurr@usda.gov