


Spot Forecast
Issued by NWS Tucson, AZ
Issued by NWS Tucson, AZ
468 FNUS75 KTWC 240354 FWSTWC Spot Forecast for Harrington...BIA- San Carlos Agency National Weather Service Tucson AZ 854 PM MST Sat Aug 23 2025 Forecast is based on forecast start time of 2200 MST on August 23. .DISCUSSION... Daily afternoon to evening chances for showers and thunderstorms expected near the fire site. Increasing moisture early in the work week will lead to greater chances by Monday (from 30 percent Sunday to 50 percent Monday). Winds outside of thunderstorms will generally remain light and terrain driven, though gusty and erratic winds possible with any thunderstorm. Minimum relative humidities will increase from around 25 percent Sunday and Monday to likely greater than 30 percent Tuesday. The potential for wetting rains will be more likely with this increase in moisture Tuesday and Wednesday. .REST OF TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of a light rain shower, mainly between 2200-0300. Chance of pcpn......10 percent. Min temperature.....55-58 degrees. Max humidity........56-59 percent. 20-foot winds.......East downslope winds 4 to 7 mph. Mixing height.......500 ft AGL. Transport winds.....Southeast around 9 knots. .SUNDAY... Sky/weather.........Partly cloudy in the morning, then becoming mostly cloudy by the early afternoon. Chance of showers and thunderstorms in the afternoon. Chance of pcpn......30 percent. Max temperature.....80-83 degrees. Min humidity........23-26 percent. 20-foot winds.......Southeast winds 5 to 7 mph in the morning shifting to the southwest 5 to 9 mph in the afternoon. Gusty and erratic winds possible near thunderstorms in the afternoon. Mixing height.......Increasing to 9500 ft AGL. Transport winds.....Southeast around 7 knots shifting to the southwest in the afternoon. .SUNDAY NIGHT... Sky/weather.........Mostly cloudy then becoming partly cloudy. Slight chance of showers and thunderstorms in the evening. Chance of pcpn......20 percent decreasing to 10 percent overnight. Min temperature.....55-58 degrees. Max humidity........64-67 percent. 20-foot winds.......Light winds becoming east around 5 mph overnight. Gusty and erratic winds possible near thunderstorms in the evening. Mixing height.......2800 ft AGL decreasing to 400 ft AGL early in the evening. Transport winds.....East around 8 knots. .MONDAY... Sky/weather.........Partly sunny. Chance of showers and thunderstorms in the afternoon. Chance of pcpn......50 percent. Max temperature.....79-82 degrees. Min humidity........25-28 percent. 20-foot winds.......Southeast winds 5 to 8 mph in the morning shifting to the southwest in the afternoon. Gusty and erratic winds expected near thunderstorms in the afternoon. Mixing height.......Increasing to 8200 ft AGL. Transport winds.....Southeast around 6 knots shifting to the southwest in the afternoon. $$ Forecaster...EDWARDS Requested by...Ryan Shatto Type of request...WILDFIRE .TAG 2520552.0/TWC .DELDT 08/23/25 .FormatterVersion 2.0.0 .EMAIL Charles.patterson@forestry.scat-nsn.gov Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson