051 FNUS75 KREV 011947 FWSREV Spot Forecast for South Constantia...BLM National Weather Service Reno NV 1247 PM PDT Mon Sep 1 2025 Forecast is based on forecast start time of 0700 PDT on September 02. If conditions become unrepresentative...contact the National Weather Service in Reno. .DISCUSSION... * Shower and storm activity expected Tuesday, however uncertainty with coverage. Your site lies near the boundary between more scattered activity to the south and isolated activity to the north. * If the activity is further south than expected, there is less potential for wetting rain (CWR reduces to 0-5%) and a dry lightning risk. If its further north wetting rain is a better chance (CWR increases to 20%). * Isolated shower and storm activity possible again Wednesday. .TUESDAY... Sky/Weather.........Cloud increasing. Patchy smoke in the morning and afternoon. Isolated showers and possibly dry thunderstorms in the afternoon. Temperature.........59 at forecast start...Max 88. RH..................49% at forecast start...Min 21%. 20-Foot Winds.......Winds southeast at 2 mph at forecast start...otherwise Upslope 3-7 mph becoming southwest 7-9 mph late in the afternoon. Gusty and erratic winds expected near thunderstorms late in the afternoon. Chc Wetting Rain....0% increasing to 10% in the afternoon. Chance of thunder...0% increasing to 15% in the afternoon. Mixing Height.......9300-10300 ft agl. Transport Winds.....Light winds becoming south around 10 mph in the afternoon. Ventilation.........Poor to very good. TIME (PDT) 7 AM 10 AM 1 PM 4 PM Sky (%).........35 41 51 78 Weather cov..... CHANCE Weather type....NONE NONE NONE RNSHWR Tstm cov........ S CHC CWR.............0 0 10 10 Chc of thdr (%).0 0 10 20 Temp............59 79 87 83 RH..............49 28 21 26 20 FT wind......SE 2G5 SE 3G5 S 6G15 SW 9G15 Eye level wind..SE 1G3 SE 2G3 S 4G9 SW 5G9 Mx ht msl (kft).1.3 2.9 9.0 11 Transport wind..SE 5 SE 5 S 10 S 10 Vrate kt-ft/1K..5 15 81 95 Ventrate Cat....POOR MRGL VYGD VYGD .TUESDAY NIGHT... Sky/Weather.........Isolated showers may persist later into the evening. Thunderstorm risk in the early part of the evening, then easing. Temperature.........Min 55. RH..................Max 68%. 20-Foot Winds.......South winds 7-10 mph early in the evening becoming light. Gusty and erratic winds expected near thunderstorms in the evening. Chc Wetting Rain....5-10%. Chance of thunder...20% decreasing to 0-10% after around 9pm. Mixing Height.......1400-1900 ft agl. Transport Winds.....South 10-15 mph in the evening and overnight becoming light. Ventilation.........Good to poor. TIME (PDT) 5 PM 8 PM 11 PM 2 AM Sky (%).........77 56 41 34 Weather cov.....CHANCE CHANCE S CHC S CHC Weather type....RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........S CHC S CHC CWR.............10 10 10 10 Chc of thdr (%).20 20 10 10 Temp............79 72 66 61 RH..............30 42 54 62 20 FT wind......S 10G15 S 6G10 S 3G5 S 2G5 Eye level wind..S 6G9 S 4G6 S 2G3 S 1G3 Mx ht msl (kft).4.6 1.4 1.3 1.3 Transport wind..S 15 S 10 S 10 S 5 Vrate kt-ft/1K..50 11 9 6 Ventrate Cat....GOOD MRGL MRGL POOR .WEDNESDAY... Sky/Weather.........Sunny then becoming partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Temperature.........Max 87. RH..................Min 23%. 20-Foot Winds.......Upslope 3-7 mph. Gusty and erratic winds expected near thunderstorms in the afternoon. Chc Wetting Rain....5%. Chance of thunder...0% increasing to 20% in the afternoon. Mixing Height.......10600-11600 ft agl. Transport Winds.....Light winds becoming south around 10 mph in the afternoon. Ventilation.........Poor to good increasing to excellent late in the afternoon. TIME (PDT) 5 AM 8 AM 11 AM 2 PM Sky (%).........22 16 25 27 Weather cov..... S CHC S CHC Weather type....NONE NONE RNSHWR RNSHWR Tstm cov........ S CHC S CHC CWR.............0 0 10 10 Chc of thdr (%).0 0 20 20 Temp............56 62 79 86 RH..............66 63 32 23 20 FT wind......S 3G5 S 3G5 SE 3G10 E 5G10 Eye level wind..S 2G3 S 2G3 SE 2G6 E 3G6 Mx ht msl (kft).1.3 1.2 6.5 12 Transport wind..SE 5 SE 5 SE 10 S 10 Vrate kt-ft/1K..6 5 46 111 Ventrate Cat....POOR POOR GOOD EXNT $$ Forecaster...Richards Requested by...David Nelson Type of request...WILDFIRE .TAG 2520971.1/REV .DELDT 09/01/25 .FormatterVersion 2.0.0 .EMAIL mpeak@blm.gov,nvsfc@firenet.gov.,david_nelson@firenet.gov