FNUS76 KSTO 030534 FWSSTO Spot Forecast for Colusa Overwater RX...USFWS National Weather Service Sacramento CA 934 PM PST Mon Feb 2 2026 Forecast is based on ignition time of 0900 PST on February 03. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Generally warm, dry, and calm conditions for the next few days. Winds will be light and northerly, with strongest surface winds expected in the early afternoon. Daytime humidities in the mid 30s to low 40s for the next couple of days, with excellent overnight recoveries; improving daytime humidities expected late week into the weekend as a weather system approaches. This will also bring new chances for light precipitation late Sunday into Monday, though at the burn site it will likely be sprinkles. .TUESDAY... Sky/weather.........Sunny. Max temperature.....63-67. Min humidity........37-42 percent. Wind (20 ft)........ Slope/valley.......North winds up to 6 mph with gusts up to 12 mph in the afternoon. Ridgetop...........North 5 to 8 mph. Mixing height.......1300 ft AGL. Transport winds.....North 5 to 8 mph. CWR.................0 percent. Chance of thunder...0 percent. TIME (PST) 9 AM NOON 3 PM Sky cover.......PCLDY CLEAR CLEAR CWR.............0 0 0 Chc of thdr (%).0 0 0 Temp............47 58 65 RH..............84 51 40 SL/VL wind......NW 5G8 NW 6G12 N 6G10 Ridgetop wind...NW 6 N 8 N 8 Mix hgt (ft)....400 900 1300 Transport wind..NW 6 N 8 N 8 .TUESDAY NIGHT... Sky/weather.........Mostly clear. Min temperature.....39-43. Max humidity........87-91 percent. Wind (20 ft)........ Slope/valley.......North winds up to 5 mph early in the evening becoming light. Ridgetop...........Northwest 5 to 7 mph. Mixing height.......400 ft AGL. Transport winds.....Northwest 5 to 7 mph. CWR.................0 percent. Chance of thunder...0 percent. TIME (PST) 6 PM 9 PM MIDNGT 3 AM Sky cover.......MCLEAR MCLEAR MCLEAR MCLEAR CWR.............0 0 0 0 Chc of thdr (%).0 0 0 0 Temp............60 50 47 44 RH..............62 79 83 84 SL/VL wind......N 5G9 W 2G6 NW 2G5 NW 2G5 Ridgetop wind...N 5 NW 5 NW 6 NW 7 Mix hgt (ft)....500 400 400 400 Transport wind..N 5 NW 5 NW 6 NW 7 .WEDNESDAY... Sky/weather.........Sunny. Max temperature.....63-68. Min humidity........35-40 percent. Wind (20 ft)........ Slope/valley.......North to northwest winds up to 6 mph. Ridgetop...........North 5 to 9 mph. Mixing height.......1400 ft AGL. Transport winds.....North 5 to 9 mph. CWR.................0 percent. Chance of thunder...0 percent. TIME (PST) 6 AM 9 AM NOON 3 PM Sky cover.......PCLDY PCLDY MCLEAR CLEAR CWR.............0 0 0 0 Chc of thdr (%).0 0 0 0 Temp............42 46 58 65 RH..............89 79 49 36 SL/VL wind......NW 2G6 NW 3G6 N 6G9 N 6G10 Ridgetop wind...S 0 E 5 E 10 E 10 Mix hgt (ft)....400 400 800 1400 Transport wind..N 7 N 8 N 8 N 9 $$ Forecaster...SP Requested by...Frank Alves Type of request...PRESCRIBED .TAG 2601518.0/STO .DELDT 02/03/26 .FormatterVersion 2.0.0 .EMAIL frank_alves@fws.gov