362 FNUS75 KTWC 080154 FWSTWC Spot Forecast for WALKER...TIFIC National Weather Service Tucson AZ 654 PM MST Thu Aug 7 2025 Forecast is based on forecast start time of 1900 MST on August 07. .DISCUSSION...Very warm temperatures Friday into the weekend. The quiet storm activity the past few days will start to change Friday and especially this weekend as ample moisture returns to the area. Expect increasing thunderstorm chances (40 percent Friday to 50 percent Saturday). Any thunderstorm may produce gusty and erratic winds. Storms will be more likely to produce heavy rainfall this weekend with the deeper moisture. Minimum relative humidities will rise from around 25 percent Friday to 33 percent Saturday with good overnight recoveries. .REST OF TONIGHT... Sky/weather.........Partly cloudy. Slight chance of a light shower or thunderstorm in the evening. Chance of pcpn......20 percent in the evening. Min temperature.....65-68 degrees. Max humidity........57-60 percent. 20-foot winds.......Southeast wind 6 to 11 mph shifting to the southwest overnight. Gusty and erratic winds expected near thunderstorms in the evening. Mixing height.......100 ft AGL. Transport winds.....Southwest around 7 knots increasing to 9 to 11 knots. TIME (MST) 7 PM 10 PM 1 AM 4 AM Sky (%).........55 38 17 10 Weather cov.....S CHC S CHC Weather type....RNSHWR RNSHWR NONE NONE Tstm cov........S CHC S CHC CWR.............20 10 0 0 Temp............85 76 72 68 RH..............18 32 43 55 20 FT wind......SE 6G10 SW 7G12 W 8G12 SW 8G13 Mix hgt (ft)....900 BLW100 BLW100 BLW100 Transport wind..SW 7 NW 9 SW 9 SW 10 .FRIDAY... Sky/weather.........Sunny then becoming partly sunny. Chance of showers and thunderstorms in the afternoon. Chance of pcpn......10 percent increasing to 40 percent. Max temperature.....85-88 degrees. Min humidity........25-27 percent. 20-foot winds.......Southwest winds 5 to 10 mph shifting the northwest in the afternoon. Gusty and erratic winds expected near thunderstorms late in the afternoon. Mixing height.......700 ft AGL increasing to 8600 ft in the afternoon. Transport winds.....Southwest around 9 knots shifting to the north 7 to 9 knots late in the morning. TIME (MST) 6 AM 9 AM NOON 3 PM Sky (%).........13 5 12 53 Weather cov..... CHANCE Weather type....NONE NONE NONE RNSHWR Tstm cov........ CHANCE CWR.............0 0 10 40 Temp............67 75 83 84 RH..............58 43 33 25 20 FT wind......SW 6G12 W 6G11 W 6G12 NW 7G14 Mix hgt (ft)....BLW100 700 4800 8100 Transport wind..S 9 W 7 N 7 NE 9 .FRIDAY NIGHT... Sky/weather.........Mostly cloudy then becoming mostly clear. Chance of showers and thunderstorms in the evening. Chance of pcpn......40 percent decreasing to 10 percent late in the evening. Min temperature.....65-68 degrees. Max humidity........62-65 percent. 20-foot winds.......Northwest winds 6 to 11 mph shifting to the south overnight. Gusty and erratic winds expected near thunderstorms. Mixing height.......100 ft AGL. Transport winds.....Northwest 7 to 10 knots. TIME (MST) 6 PM 9 PM MIDNGT 3 AM Sky (%).........58 61 24 21 Weather cov.....CHANCE CHANCE S CHC S CHC Weather type....RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........CHANCE CHANCE S CHC S CHC CWR.............40 40 10 10 Temp............78 74 70 67 RH..............36 42 53 61 20 FT wind......NW 7G13 W 8G14 SW 8G14 S 6G10 Mix hgt (ft)....1600 BLW100 BLW100 BLW100 Transport wind..NW 8 NW 9 NW 9 W 8 .SATURDAY... Sky/weather.........Mostly sunny then becoming partly sunny. Chance of showers and thunderstorms in the morning and afternoon. Chance of pcpn......10 percent increasing to 50 percent late in the morning and afternoon. Max temperature.....84-87 degrees. Min humidity........30-33 percent. 20-foot winds.......South winds 5 to 9 mph shifting to the northwest 6 to 11 mph in the afternoon. Gusty and erratic winds expected near thunderstorms. Mixing height.......1300 ft AGL increasing to 7100 ft AGL in the afternoon. Transport winds.....Northwest 5 to 11 knots shifting to the west around 12 knots late in the afternoon. TIME (MST) 6 AM 9 AM NOON 3 PM Sky (%).........19 12 73 73 Weather cov..... CHANCE CHANCE Weather type....NONE NONE RNSHWR RNSHWR Tstm cov........ CHANCE CHANCE CWR.............10 10 50 50 Temp............67 74 82 83 RH..............62 50 36 31 20 FT wind......S 5G8 W 6G11 NW 8G14 NW 8G14 Mix hgt (ft)....100 1300 4700 5900 Transport wind..NW 6 NW 6 N 9 NW 10 $$ Forecaster...RASMUSSEN Requested by...RUSSO Type of request...WILDFIRE .TAG 2519535.0/TWC .DELDT 08/07/25 .FormatterVersion 2.0.0 .EMAIL AZTDC@FIRENET.GOV Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson