FNUS75 KPIH 200815 FWSPIH Spot Forecast for Sand Creek Fire...USFS National Weather Service Pocatello ID 215 AM MDT Wed Aug 20 2025 Forecast is based on forecast start time of 0600 MDT on August 20. If conditions become unrepresentative, contact the National Weather Service. Please contact our office at (208) 232-9357, if you have questions or concerns with this forecast. .DISCUSSION... Hot and overall very dry conditions will continue today as a weak shortwave trough passes overhead, supporting an uptick in cloud cover and isolated showers/virga and dry thunderstorms. Afternoon relative humidity in the teens coupled with wind gusts up to 25 mph will support elevated fire weather conditions today. High pressure will return Thursday through Saturday as hot and dry conditions prevail. Monsoonal moisture building in starting Sunday will lead to increasing shower and thunderstorm chances, cooler temperatures, and increased relative humidity for early next week. .TODAY... Sky/weather.........Mostly sunny in the morning, then becoming partly sunny in the afternoon. Isolated rain showers and virga through the day. Isolated dry thunderstorms in the afternoon. CWR.................5 to 10 percent. Chance of thunder...5 to 15 percent. Max temperature.....88 to 92 degrees. Min humidity........17 to 21 percent. Wind (20 ft)........East winds 5 to 8 mph in the morning shifting to the southwest 12 to 18 mph with gusts to around 25 mph in the afternoon. Gusty and erratic winds expected near thunderstorms in the afternoon. Mixing height.......700 ft AGL through 9 AM MDT, increasing to 10900 ft AGL in the afternoon. Transport winds.....South around 10 mph in the morning, becoming southwest around 20 mph in the afternoon. Rainfall amount.....0.00 inches. .TONIGHT... Sky/weather.........Mostly clear. Isolated rain showers and virga in the evening. CWR.................0 percent. Chance of thunder...0 to 5 percent. Min temperature.....49 to 52 degrees. Max humidity........65 to 70 percent. Wind (20 ft)........South winds 5 to 12 mph with gusts to around 20 mph shifting to the northeast around 5 mph overnight. Mixing height.......6400 ft AGL at 7 PM MDT, decreasing to 700 ft AGL overnight. Transport winds.....Southwest around 15 mph in the evening, becoming northeast around 10 mph overnight. Rainfall amount.....0.00 inches. .THURSDAY... Sky/weather.........Sunny. CWR.................0 percent. Chance of thunder...0 percent. Max temperature.....88 to 92 degrees. Min humidity........12 to 15 percent. Wind (20 ft)........Northeast winds 5 to 8 mph in the morning shifting to the southwest 8 to 14 mph with gusts to around 20 mph in the afternoon. Mixing height.......700 ft AGL through 9 AM MDT, increasing to 11500 ft AGL in the afternoon. Transport winds.....Northeast around 8 mph in the morning, becoming west around 15 mph in the afternoon. Rainfall amount.....0.00 inches. $$ Forecaster...MacKay Requested by...Brian Milligan Type of request...WILDFIRE .TAG 2520233.0/PIH .DELDT 08/20/25 .FormatterVersion 2.0.0 .EMAIL brian.milligan@usda.gov