FNUS76 KSTO 200115 FWSSTO Spot Forecast for Prairie City RX...California State Parks National Weather Service Sacramento CA 615 PM PDT Tue May 19 2026 Forecast is based on ignition time of 0900 PDT on May 20. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Mostly sunny, dry, and warm conditions are expected to continue at the burn site the next several days. Primarily light, terrain driven winds are in the forecast the next several days as well. Daytime humidity values will fall into the low to mid teens Wednesday afternoon, with overnight recoveries in the mid 50s to low 60s. Similar light surface winds with low RH values are forecast on Thursday. .WEDNESDAY... Sky/weather.........Mostly sunny. Max temperature.....91-95. Min humidity........12-16 percent. Wind (20 ft)........ Slope/valley.......Light winds becoming west up to 5 mph late in the afternoon, then becoming light late in the afternoon. Ridgetop...........West 2 to 5 mph. Mixing height.......6700 ft AGL. Transport winds.....Southeast around 3 mph shifting to the west 5 to 6 mph late in the morning. CWR.................0 percent. Chance of thunder...0 percent. TIME (PDT) 9 AM 11 AM 1 PM 3 PM 5 PM Sky cover.......MCLEAR MCLEAR PCLDY PCLDY CLEAR CWR.............0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 Temp............69 80 87 92 93 RH..............39 30 23 17 14 SL/VL wind......S 2 SW 3 SW 5 W 5 W 3 SL/VL wind gust.3 7 8 9 8 Ridgetop wind...W 5 W 3 W 2 W 2 W 2 Mix hgt (ft)....1100 3500 3500 6700 4700 Transport wind..SE 3 SW 5 SW 5 W 5 W 6 .WEDNESDAY NIGHT... Sky/weather.........Clear. Min temperature.....57-61. Max humidity........56-60 percent. Wind (20 ft)........ Slope/valley.......Light winds becoming southeast up to 5 mph early in the evening, then becoming light overnight. Ridgetop...........Southwest around 1 mph. Mixing height.......400 ft AGL. Transport winds.....West 5 to 6 mph shifting to the southeast late in the evening. CWR.................0 percent. Chance of thunder...0 percent. TIME (PDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky cover.......CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR CWR.............0 0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 0 Temp............93 86 74 67 63 61 RH..............15 23 35 44 51 56 SL/VL wind......W 3 SE 5 SE 5 E 5 E 3 E 3 SL/VL wind gust.8 7 7 7 6 6 Ridgetop wind...SW 1 SW 1 SW 1 SW 1 SW 1 SW 1 Mix hgt (ft)....4700 400 400 400 400 400 Transport wind..W 6 SW 5 SW 5 SE 5 E 6 E 6 .THURSDAY... Sky/weather.........Sunny. Max temperature.....94-98. Min humidity........13-17 percent. Wind (20 ft)........ Slope/valley.......Light winds becoming west up to 6 mph late in the morning. Ridgetop...........Southwest 1 to 2 mph. Mixing height.......7000 ft AGL. Transport winds.....Southeast 3 to 6 mph shifting to the west 6 to 7 mph late in the morning. CWR.................0 percent. Chance of thunder...0 percent. TIME (PDT) 6 AM 9 AM NOON 3 PM Sky cover.......CLEAR CLEAR CLEAR CLEAR CWR.............0 0 0 0 Chc of thdr (%).0 0 0 0 Temp............59 70 87 95 RH..............58 46 28 17 SL/VL wind......SE 3G5 SE 1G3 W 5G8 W 6G10 Ridgetop wind...SW 1 SW 1 SW 1 SW 2 Mix hgt (ft)....400 800 2100 5400 Transport wind..E 6 SE 3 W 7 W 6 $$ Forecaster...JW Requested by...Sarah Gibson Type of request...PRESCRIBED .TAG 2614005.0/STO .DELDT 05/20/26 .FormatterVersion 2.0.0 .EMAIL sarah.gibson@parks.ca.gov,eric.bither@fire.ca.gov