Spot Forecast
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
797 FNUS75 KGJT 212347 FWSGJT Spot Forecast for Arches SAR...National Parks Service National Weather Service Grand Junction CO 547 PM MDT Fri Jun 21 2024 Forecast is based on forecast start time of 1800 MDT on June 21. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... A line of thunderstorms will be moving into the park while reading this. Heavy rain, plenty of cloud to ground lightning, and wind gusts from 50 to 60 mph are expected. Some hail will also be possible as this storm moves through (pea sized to half inch). Ths showers and storms will quickly move out of the park in the next hour. Once this main area of convection moves through, very isolated showers, maybe a quick storm, will be possible overnight. Tomorrow, residual moisure will allow some showers/storms to form over the higher terrain but do not anticipate anything over the park. .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent). Showers and thunderstorms in the evening. Min temperature.....58-63. Max humidity........76-81 percent. Chance of pcpn......90 percent. Chance of thunder...90 percent. Max apparent temp...76. Surface winds.......Northeast winds around 10 to 15 mph in the evening becoming downslope/downvalley 3 to 8 mph by sunset. Snowfall amount.....0.0 inches. .SATURDAY... Sky/weather.........Sunny (5-15 percent). Max temperature.....88-93. Min humidity........17-22 percent. Chance of pcpn......10 percent. Chance of thunder...5 percent. Max apparent temp...88. Surface winds.......Upslope/upvalley winds 3 to 8 mph. Snowfall amount.....0.0 inches. $$ Forecaster...Tom Renwick Requested by...Devin Phillips Type of request...SAR .TAG 2416503.0/GJT .DELDT 06/21/24 .FormatterVersion 2.0.0 .EMAIL devin.phillips@nps.gov